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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CVE-2012-2136 | False | False | False | False | AV:L/AC:L/Au:N/C:C/I:C/A:C | LOCAL | LOW | NONE | COMPLETE | COMPLETE | COMPLETE | 7.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=816289', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=816289', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc', 'name': 'https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://www.securityfocus.com/bid/53721', 'name': '53721', 'refsource': 'BID', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1535-1', 'name': 'USN-1535-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2012-1087.html', 'name': 'RHSA-2012:1087', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2012-0743.html', 'name': 'RHSA-2012:0743', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://ubuntu.com/usn/usn-1529-1', 'name': 'USN-1529-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://secunia.com/advisories/50807', 'name': '50807', 'refsource': 'SECUNIA', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-20'}]}] | HIGH | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.4.4', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device.'}] | 2013-03-02T04:41Z | 2012-08-09T10:29Z | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. |
Input validation is a frequently-used technique
for checking potentially dangerous inputs in order to
ensure that the inputs are safe for processing within the
code, or when communicating with other components. When
software does not validate input properly, an attacker is
able to craft the input in a form that is not expected by
the rest of the application. This will lead to parts of the
system receiving unintended input, which may result in
altered control flow, arbitrary control of a resource, or
arbitrary code execution.
Input validation is not the only technique for
processing input, however. Other techniques attempt to
transform potentially-dangerous input into something safe, such
as filtering (CWE-790) - which attempts to remove dangerous
inputs - or encoding/escaping (CWE-116), which attempts to
ensure that the input is not misinterpreted when it is included
in output to another component. Other techniques exist as well
(see CWE-138 for more examples.)
Input validation can be applied to:
raw data - strings, numbers, parameters, file contents, etc.
metadata - information about the raw data, such as headers or size
Data can be simple or structured. Structured data
can be composed of many nested layers, composed of
combinations of metadata and raw data, with other simple or
structured data.
Many properties of raw data or metadata may need
to be validated upon entry into the code, such
as:
specified quantities such as size, length, frequency, price, rate, number of operations, time, etc.
implied or derived quantities, such as the actual size of a file instead of a specified size
indexes, offsets, or positions into more complex data structures
symbolic keys or other elements into hash tables, associative arrays, etc.
well-formedness, i.e. syntactic correctness - compliance with expected syntax
lexical token correctness - compliance with rules for what is treated as a token
specified or derived type - the actual type of the input (or what the input appears to be)
consistency - between individual data elements, between raw data and metadata, between references, etc.
conformance to domain-specific rules, e.g. business logic
equivalence - ensuring that equivalent inputs are treated the same
authenticity, ownership, or other attestations about the input, e.g. a cryptographic signature to prove the source of the data
Implied or derived properties of data must often
be calculated or inferred by the code itself. Errors in
deriving properties may be considered a contributing factor
to improper input validation.
Note that "input validation" has very different
meanings to different people, or within different
classification schemes. Caution must be used when
referencing this CWE entry or mapping to it. For example,
some weaknesses might involve inadvertently giving control
to an attacker over an input when they should not be able
to provide an input at all, but sometimes this is referred
to as input validation.
Finally, it is important to emphasize that the
distinctions between input validation and output escaping
are often blurred, and developers must be careful to
understand the difference, including how input validation
is not always sufficient to prevent vulnerabilities,
especially when less stringent data types must be
supported, such as free-form text. Consider a SQL injection
scenario in which a person's last name is inserted into a
query. The name "O'Reilly" would likely pass the validation
step since it is a common last name in the English
language. However, this valid name cannot be directly
inserted into the database because it contains the "'"
apostrophe character, which would need to be escaped or
otherwise transformed. In this case, removing the
apostrophe might reduce the risk of SQL injection, but it
would produce incorrect behavior because the wrong name
would be recorded.
| https://cwe.mitre.org/data/definitions/20.html | 0 | Jason Wang | 2012-05-30 21:18:10+00:00 | net: sock: validate data_len before allocating skb in sock_alloc_send_pskb()
We need to validate the number of pages consumed by data_len, otherwise frags
array could be overflowed by userspace. So this patch validate data_len and
return -EMSGSIZE when data_len may occupies more frags than MAX_SKB_FRAGS.
Signed-off-by: Jason Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | sock_alloc_send_pskb | sock_alloc_send_pskb( struct sock * sk , unsigned long header_len , unsigned long data_len , int noblock , int * errcode) | ['sk', 'header_len', 'data_len', 'noblock', 'errcode'] | struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len,
unsigned long data_len, int noblock,
int *errcode)
{
struct sk_buff *skb;
gfp_t gfp_mask;
long timeo;
int err;
gfp_mask = sk->sk_allocation;
if (gfp_mask & __GFP_WAIT)
gfp_mask |= __GFP_REPEAT;
timeo = sock_sndtimeo(sk, noblock);
while (1) {
err = sock_error(sk);
if (err != 0)
goto failure;
err = -EPIPE;
if (sk->sk_shutdown & SEND_SHUTDOWN)
goto failure;
if (atomic_read(&sk->sk_wmem_alloc) < sk->sk_sndbuf) {
skb = alloc_skb(header_len, gfp_mask);
if (skb) {
int npages;
int i;
/* No pages, we're done... */
if (!data_len)
break;
npages = (data_len + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
skb->truesize += data_len;
skb_shinfo(skb)->nr_frags = npages;
for (i = 0; i < npages; i++) {
struct page *page;
page = alloc_pages(sk->sk_allocation, 0);
if (!page) {
err = -ENOBUFS;
skb_shinfo(skb)->nr_frags = i;
kfree_skb(skb);
goto failure;
}
__skb_fill_page_desc(skb, i,
page, 0,
(data_len >= PAGE_SIZE ?
PAGE_SIZE :
data_len));
data_len -= PAGE_SIZE;
}
/* Full success... */
break;
}
err = -ENOBUFS;
goto failure;
}
set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags);
set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
err = -EAGAIN;
if (!timeo)
goto failure;
if (signal_pending(current))
goto interrupted;
timeo = sock_wait_for_wmem(sk, timeo);
}
skb_set_owner_w(skb, sk);
return skb;
interrupted:
err = sock_intr_errno(timeo);
failure:
*errcode = err;
return NULL;
} | 355 | True | 1 |
|
CVE-2012-2669 | False | False | False | False | AV:L/AC:L/Au:N/C:N/I:P/A:N | LOCAL | LOW | NONE | NONE | PARTIAL | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bcc2c9c3fff859e0eb019fe6fec26f9b8eba795c', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bcc2c9c3fff859e0eb019fe6fec26f9b8eba795c', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/bcc2c9c3fff859e0eb019fe6fec26f9b8eba795c', 'name': 'https://github.com/torvalds/linux/commit/bcc2c9c3fff859e0eb019fe6fec26f9b8eba795c', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.novell.com/show_bug.cgi?id=761200', 'name': 'https://bugzilla.novell.com/show_bug.cgi?id=761200', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2012/11/27/12', 'name': '[oss-security] 20121127 Re: CVE-2012-5532 hypervkvpd DoS', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://openwall.com/lists/oss-security/2012/06/06/12', 'name': '[oss-security] 20120606 Re: CVE-Request: hyper-v daemon', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2012-11/msg00042.html', 'name': 'openSUSE-SU-2012:1526', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-20'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.4.4', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The main function in tools/hv/hv_kvp_daemon.c in hypervkvpd, as distributed in the Linux kernel before 3.4.5, does not validate the origin of Netlink messages, which allows local users to spoof Netlink communication via a crafted connector message.'}] | 2013-01-30T04:51Z | 2012-12-27T11:47Z | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. |
Input validation is a frequently-used technique
for checking potentially dangerous inputs in order to
ensure that the inputs are safe for processing within the
code, or when communicating with other components. When
software does not validate input properly, an attacker is
able to craft the input in a form that is not expected by
the rest of the application. This will lead to parts of the
system receiving unintended input, which may result in
altered control flow, arbitrary control of a resource, or
arbitrary code execution.
Input validation is not the only technique for
processing input, however. Other techniques attempt to
transform potentially-dangerous input into something safe, such
as filtering (CWE-790) - which attempts to remove dangerous
inputs - or encoding/escaping (CWE-116), which attempts to
ensure that the input is not misinterpreted when it is included
in output to another component. Other techniques exist as well
(see CWE-138 for more examples.)
Input validation can be applied to:
raw data - strings, numbers, parameters, file contents, etc.
metadata - information about the raw data, such as headers or size
Data can be simple or structured. Structured data
can be composed of many nested layers, composed of
combinations of metadata and raw data, with other simple or
structured data.
Many properties of raw data or metadata may need
to be validated upon entry into the code, such
as:
specified quantities such as size, length, frequency, price, rate, number of operations, time, etc.
implied or derived quantities, such as the actual size of a file instead of a specified size
indexes, offsets, or positions into more complex data structures
symbolic keys or other elements into hash tables, associative arrays, etc.
well-formedness, i.e. syntactic correctness - compliance with expected syntax
lexical token correctness - compliance with rules for what is treated as a token
specified or derived type - the actual type of the input (or what the input appears to be)
consistency - between individual data elements, between raw data and metadata, between references, etc.
conformance to domain-specific rules, e.g. business logic
equivalence - ensuring that equivalent inputs are treated the same
authenticity, ownership, or other attestations about the input, e.g. a cryptographic signature to prove the source of the data
Implied or derived properties of data must often
be calculated or inferred by the code itself. Errors in
deriving properties may be considered a contributing factor
to improper input validation.
Note that "input validation" has very different
meanings to different people, or within different
classification schemes. Caution must be used when
referencing this CWE entry or mapping to it. For example,
some weaknesses might involve inadvertently giving control
to an attacker over an input when they should not be able
to provide an input at all, but sometimes this is referred
to as input validation.
Finally, it is important to emphasize that the
distinctions between input validation and output escaping
are often blurred, and developers must be careful to
understand the difference, including how input validation
is not always sufficient to prevent vulnerabilities,
especially when less stringent data types must be
supported, such as free-form text. Consider a SQL injection
scenario in which a person's last name is inserted into a
query. The name "O'Reilly" would likely pass the validation
step since it is a common last name in the English
language. However, this valid name cannot be directly
inserted into the database because it contains the "'"
apostrophe character, which would need to be escaped or
otherwise transformed. In this case, removing the
apostrophe might reduce the risk of SQL injection, but it
would produce incorrect behavior because the wrong name
would be recorded.
| https://cwe.mitre.org/data/definitions/20.html | 0 | Olaf Hering | 2012-05-31 16:40:06+02:00 | Tools: hv: verify origin of netlink connector message
The SuSE security team suggested to use recvfrom instead of recv to be
certain that the connector message is originated from kernel.
CVE-2012-2669
Signed-off-by: Olaf Hering <[email protected]>
Signed-off-by: Marcus Meissner <[email protected]>
Signed-off-by: Sebastian Krahmer <[email protected]>
Signed-off-by: K. Y. Srinivasan <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]> | bcc2c9c3fff859e0eb019fe6fec26f9b8eba795c | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | main | main( void) | ['void'] | int main(void)
{
int fd, len, sock_opt;
int error;
struct cn_msg *message;
struct pollfd pfd;
struct nlmsghdr *incoming_msg;
struct cn_msg *incoming_cn_msg;
struct hv_kvp_msg *hv_msg;
char *p;
char *key_value;
char *key_name;
daemon(1, 0);
openlog("KVP", 0, LOG_USER);
syslog(LOG_INFO, "KVP starting; pid is:%d", getpid());
/*
* Retrieve OS release information.
*/
kvp_get_os_info();
if (kvp_file_init()) {
syslog(LOG_ERR, "Failed to initialize the pools");
exit(-1);
}
fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
if (fd < 0) {
syslog(LOG_ERR, "netlink socket creation failed; error:%d", fd);
exit(-1);
}
addr.nl_family = AF_NETLINK;
addr.nl_pad = 0;
addr.nl_pid = 0;
addr.nl_groups = CN_KVP_IDX;
error = bind(fd, (struct sockaddr *)&addr, sizeof(addr));
if (error < 0) {
syslog(LOG_ERR, "bind failed; error:%d", error);
close(fd);
exit(-1);
}
sock_opt = addr.nl_groups;
setsockopt(fd, 270, 1, &sock_opt, sizeof(sock_opt));
/*
* Register ourselves with the kernel.
*/
message = (struct cn_msg *)kvp_send_buffer;
message->id.idx = CN_KVP_IDX;
message->id.val = CN_KVP_VAL;
hv_msg = (struct hv_kvp_msg *)message->data;
hv_msg->kvp_hdr.operation = KVP_OP_REGISTER;
message->ack = 0;
message->len = sizeof(struct hv_kvp_msg);
len = netlink_send(fd, message);
if (len < 0) {
syslog(LOG_ERR, "netlink_send failed; error:%d", len);
close(fd);
exit(-1);
}
pfd.fd = fd;
while (1) {
pfd.events = POLLIN;
pfd.revents = 0;
poll(&pfd, 1, -1);
len = recv(fd, kvp_recv_buffer, sizeof(kvp_recv_buffer), 0);
if (len < 0) {
syslog(LOG_ERR, "recv failed; error:%d", len);
close(fd);
return -1;
}
incoming_msg = (struct nlmsghdr *)kvp_recv_buffer;
incoming_cn_msg = (struct cn_msg *)NLMSG_DATA(incoming_msg);
hv_msg = (struct hv_kvp_msg *)incoming_cn_msg->data;
switch (hv_msg->kvp_hdr.operation) {
case KVP_OP_REGISTER:
/*
* Driver is registering with us; stash away the version
* information.
*/
p = (char *)hv_msg->body.kvp_register.version;
lic_version = malloc(strlen(p) + 1);
if (lic_version) {
strcpy(lic_version, p);
syslog(LOG_INFO, "KVP LIC Version: %s",
lic_version);
} else {
syslog(LOG_ERR, "malloc failed");
}
continue;
/*
* The current protocol with the kernel component uses a
* NULL key name to pass an error condition.
* For the SET, GET and DELETE operations,
* use the existing protocol to pass back error.
*/
case KVP_OP_SET:
if (kvp_key_add_or_modify(hv_msg->kvp_hdr.pool,
hv_msg->body.kvp_set.data.key,
hv_msg->body.kvp_set.data.key_size,
hv_msg->body.kvp_set.data.value,
hv_msg->body.kvp_set.data.value_size))
strcpy(hv_msg->body.kvp_set.data.key, "");
break;
case KVP_OP_GET:
if (kvp_get_value(hv_msg->kvp_hdr.pool,
hv_msg->body.kvp_set.data.key,
hv_msg->body.kvp_set.data.key_size,
hv_msg->body.kvp_set.data.value,
hv_msg->body.kvp_set.data.value_size))
strcpy(hv_msg->body.kvp_set.data.key, "");
break;
case KVP_OP_DELETE:
if (kvp_key_delete(hv_msg->kvp_hdr.pool,
hv_msg->body.kvp_delete.key,
hv_msg->body.kvp_delete.key_size))
strcpy(hv_msg->body.kvp_delete.key, "");
break;
default:
break;
}
if (hv_msg->kvp_hdr.operation != KVP_OP_ENUMERATE)
goto kvp_done;
/*
* If the pool is KVP_POOL_AUTO, dynamically generate
* both the key and the value; if not read from the
* appropriate pool.
*/
if (hv_msg->kvp_hdr.pool != KVP_POOL_AUTO) {
kvp_pool_enumerate(hv_msg->kvp_hdr.pool,
hv_msg->body.kvp_enum_data.index,
hv_msg->body.kvp_enum_data.data.key,
HV_KVP_EXCHANGE_MAX_KEY_SIZE,
hv_msg->body.kvp_enum_data.data.value,
HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
goto kvp_done;
}
hv_msg = (struct hv_kvp_msg *)incoming_cn_msg->data;
key_name = (char *)hv_msg->body.kvp_enum_data.data.key;
key_value = (char *)hv_msg->body.kvp_enum_data.data.value;
switch (hv_msg->body.kvp_enum_data.index) {
case FullyQualifiedDomainName:
kvp_get_domain_name(key_value,
HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
strcpy(key_name, "FullyQualifiedDomainName");
break;
case IntegrationServicesVersion:
strcpy(key_name, "IntegrationServicesVersion");
strcpy(key_value, lic_version);
break;
case NetworkAddressIPv4:
kvp_get_ip_address(AF_INET, key_value,
HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
strcpy(key_name, "NetworkAddressIPv4");
break;
case NetworkAddressIPv6:
kvp_get_ip_address(AF_INET6, key_value,
HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
strcpy(key_name, "NetworkAddressIPv6");
break;
case OSBuildNumber:
strcpy(key_value, os_build);
strcpy(key_name, "OSBuildNumber");
break;
case OSName:
strcpy(key_value, os_name);
strcpy(key_name, "OSName");
break;
case OSMajorVersion:
strcpy(key_value, os_major);
strcpy(key_name, "OSMajorVersion");
break;
case OSMinorVersion:
strcpy(key_value, os_minor);
strcpy(key_name, "OSMinorVersion");
break;
case OSVersion:
strcpy(key_value, os_build);
strcpy(key_name, "OSVersion");
break;
case ProcessorArchitecture:
strcpy(key_value, processor_arch);
strcpy(key_name, "ProcessorArchitecture");
break;
default:
strcpy(key_value, "Unknown Key");
/*
* We use a null key name to terminate enumeration.
*/
strcpy(key_name, "");
break;
}
/*
* Send the value back to the kernel. The response is
* already in the receive buffer. Update the cn_msg header to
* reflect the key value that has been added to the message
*/
kvp_done:
incoming_cn_msg->id.idx = CN_KVP_IDX;
incoming_cn_msg->id.val = CN_KVP_VAL;
incoming_cn_msg->ack = 0;
incoming_cn_msg->len = sizeof(struct hv_kvp_msg);
len = netlink_send(fd, incoming_cn_msg);
if (len < 0) {
syslog(LOG_ERR, "net_link send failed; error:%d", len);
exit(-1);
}
}
} | 1105 | True | 1 |
|
CVE-2012-3364 | False | False | False | False | AV:N/AC:L/Au:N/C:N/I:N/A:P | NETWORK | LOW | NONE | NONE | NONE | PARTIAL | 5.0 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'name': 'https://github.com/torvalds/linux/commit/67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://marc.info/?l=linux-kernel&m=134030878917784&w=2', 'name': '[linux-kernel] 20120612 [PATCH] NFC: prevent multiple buffer overflows in NCI', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2012/06/27/9', 'name': '[oss-security] 20120627 Re: CVE Request: Kernel [PATCH] NFC: prevent multiple buffer overflows in NCI', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://ubuntu.com/usn/usn-1529-1', 'name': 'USN-1529-1', 'refsource': 'UBUNTU', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-119'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.4.4', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Multiple stack-based buffer overflows in the Near Field Communication Controller Interface (NCI) in the Linux kernel before 3.4.5 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via incoming frames with crafted length fields.'}] | 2013-01-29T05:00Z | 2013-01-22T23:55Z | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. |
Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.
As a result, an attacker may be able to execute arbitrary code, alter the intended control flow, read sensitive information, or cause the system to crash.
| https://cwe.mitre.org/data/definitions/119.html | 0 | Dan Rosenberg | 2012-06-25 16:05:27+02:00 | NFC: Prevent multiple buffer overflows in NCI
Fix multiple remotely-exploitable stack-based buffer overflows due to
the NCI code pulling length fields directly from incoming frames and
copying too much data into statically-sized arrays.
Signed-off-by: Dan Rosenberg <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Lauro Ramos Venancio <[email protected]>
Cc: Aloisio Almeida Jr <[email protected]>
Cc: Samuel Ortiz <[email protected]>
Cc: David S. Miller <[email protected]>
Acked-by: Ilan Elias <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]> | 67de956ff5dc1d4f321e16cfbd63f5be3b691b43 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | nci_extract_activation_params_iso_dep | nci_extract_activation_params_iso_dep( struct nci_dev * ndev , struct nci_rf_intf_activated_ntf * ntf , __u8 * data) | ['ndev', 'ntf', 'data'] | static int nci_extract_activation_params_iso_dep(struct nci_dev *ndev,
struct nci_rf_intf_activated_ntf *ntf, __u8 *data)
{
struct activation_params_nfca_poll_iso_dep *nfca_poll;
struct activation_params_nfcb_poll_iso_dep *nfcb_poll;
switch (ntf->activation_rf_tech_and_mode) {
case NCI_NFC_A_PASSIVE_POLL_MODE:
nfca_poll = &ntf->activation_params.nfca_poll_iso_dep;
nfca_poll->rats_res_len = *data++;
pr_debug("rats_res_len %d\n", nfca_poll->rats_res_len);
if (nfca_poll->rats_res_len > 0) {
memcpy(nfca_poll->rats_res,
data, nfca_poll->rats_res_len);
}
break;
case NCI_NFC_B_PASSIVE_POLL_MODE:
nfcb_poll = &ntf->activation_params.nfcb_poll_iso_dep;
nfcb_poll->attrib_res_len = *data++;
pr_debug("attrib_res_len %d\n", nfcb_poll->attrib_res_len);
if (nfcb_poll->attrib_res_len > 0) {
memcpy(nfcb_poll->attrib_res,
data, nfcb_poll->attrib_res_len);
}
break;
default:
pr_err("unsupported activation_rf_tech_and_mode 0x%x\n",
ntf->activation_rf_tech_and_mode);
return NCI_STATUS_RF_PROTOCOL_ERROR;
}
return NCI_STATUS_OK;
} | 161 | True | 1 |
|
CVE-2012-3364 | False | False | False | False | AV:N/AC:L/Au:N/C:N/I:N/A:P | NETWORK | LOW | NONE | NONE | NONE | PARTIAL | 5.0 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'name': 'https://github.com/torvalds/linux/commit/67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://marc.info/?l=linux-kernel&m=134030878917784&w=2', 'name': '[linux-kernel] 20120612 [PATCH] NFC: prevent multiple buffer overflows in NCI', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2012/06/27/9', 'name': '[oss-security] 20120627 Re: CVE Request: Kernel [PATCH] NFC: prevent multiple buffer overflows in NCI', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://ubuntu.com/usn/usn-1529-1', 'name': 'USN-1529-1', 'refsource': 'UBUNTU', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-119'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.4.4', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Multiple stack-based buffer overflows in the Near Field Communication Controller Interface (NCI) in the Linux kernel before 3.4.5 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via incoming frames with crafted length fields.'}] | 2013-01-29T05:00Z | 2013-01-22T23:55Z | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. |
Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.
As a result, an attacker may be able to execute arbitrary code, alter the intended control flow, read sensitive information, or cause the system to crash.
| https://cwe.mitre.org/data/definitions/119.html | 0 | Dan Rosenberg | 2012-06-25 16:05:27+02:00 | NFC: Prevent multiple buffer overflows in NCI
Fix multiple remotely-exploitable stack-based buffer overflows due to
the NCI code pulling length fields directly from incoming frames and
copying too much data into statically-sized arrays.
Signed-off-by: Dan Rosenberg <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Lauro Ramos Venancio <[email protected]>
Cc: Aloisio Almeida Jr <[email protected]>
Cc: Samuel Ortiz <[email protected]>
Cc: David S. Miller <[email protected]>
Acked-by: Ilan Elias <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]> | 67de956ff5dc1d4f321e16cfbd63f5be3b691b43 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | nci_extract_rf_params_nfca_passive_poll | nci_extract_rf_params_nfca_passive_poll( struct nci_dev * ndev , struct rf_tech_specific_params_nfca_poll * nfca_poll , __u8 * data) | ['ndev', 'nfca_poll', 'data'] | static __u8 *nci_extract_rf_params_nfca_passive_poll(struct nci_dev *ndev,
struct rf_tech_specific_params_nfca_poll *nfca_poll,
__u8 *data)
{
nfca_poll->sens_res = __le16_to_cpu(*((__u16 *)data));
data += 2;
nfca_poll->nfcid1_len = *data++;
pr_debug("sens_res 0x%x, nfcid1_len %d\n",
nfca_poll->sens_res, nfca_poll->nfcid1_len);
memcpy(nfca_poll->nfcid1, data, nfca_poll->nfcid1_len);
data += nfca_poll->nfcid1_len;
nfca_poll->sel_res_len = *data++;
if (nfca_poll->sel_res_len != 0)
nfca_poll->sel_res = *data++;
pr_debug("sel_res_len %d, sel_res 0x%x\n",
nfca_poll->sel_res_len,
nfca_poll->sel_res);
return data;
} | 118 | True | 1 |
|
CVE-2012-3364 | False | False | False | False | AV:N/AC:L/Au:N/C:N/I:N/A:P | NETWORK | LOW | NONE | NONE | NONE | PARTIAL | 5.0 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'name': 'https://github.com/torvalds/linux/commit/67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://marc.info/?l=linux-kernel&m=134030878917784&w=2', 'name': '[linux-kernel] 20120612 [PATCH] NFC: prevent multiple buffer overflows in NCI', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2012/06/27/9', 'name': '[oss-security] 20120627 Re: CVE Request: Kernel [PATCH] NFC: prevent multiple buffer overflows in NCI', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://ubuntu.com/usn/usn-1529-1', 'name': 'USN-1529-1', 'refsource': 'UBUNTU', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-119'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.4.4', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Multiple stack-based buffer overflows in the Near Field Communication Controller Interface (NCI) in the Linux kernel before 3.4.5 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via incoming frames with crafted length fields.'}] | 2013-01-29T05:00Z | 2013-01-22T23:55Z | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. |
Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.
As a result, an attacker may be able to execute arbitrary code, alter the intended control flow, read sensitive information, or cause the system to crash.
| https://cwe.mitre.org/data/definitions/119.html | 0 | Dan Rosenberg | 2012-06-25 16:05:27+02:00 | NFC: Prevent multiple buffer overflows in NCI
Fix multiple remotely-exploitable stack-based buffer overflows due to
the NCI code pulling length fields directly from incoming frames and
copying too much data into statically-sized arrays.
Signed-off-by: Dan Rosenberg <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Lauro Ramos Venancio <[email protected]>
Cc: Aloisio Almeida Jr <[email protected]>
Cc: Samuel Ortiz <[email protected]>
Cc: David S. Miller <[email protected]>
Acked-by: Ilan Elias <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]> | 67de956ff5dc1d4f321e16cfbd63f5be3b691b43 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | nci_extract_rf_params_nfcb_passive_poll | nci_extract_rf_params_nfcb_passive_poll( struct nci_dev * ndev , struct rf_tech_specific_params_nfcb_poll * nfcb_poll , __u8 * data) | ['ndev', 'nfcb_poll', 'data'] | static __u8 *nci_extract_rf_params_nfcb_passive_poll(struct nci_dev *ndev,
struct rf_tech_specific_params_nfcb_poll *nfcb_poll,
__u8 *data)
{
nfcb_poll->sensb_res_len = *data++;
pr_debug("sensb_res_len %d\n", nfcb_poll->sensb_res_len);
memcpy(nfcb_poll->sensb_res, data, nfcb_poll->sensb_res_len);
data += nfcb_poll->sensb_res_len;
return data;
} | 57 | True | 1 |
|
CVE-2012-3364 | False | False | False | False | AV:N/AC:L/Au:N/C:N/I:N/A:P | NETWORK | LOW | NONE | NONE | NONE | PARTIAL | 5.0 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'name': 'https://github.com/torvalds/linux/commit/67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://marc.info/?l=linux-kernel&m=134030878917784&w=2', 'name': '[linux-kernel] 20120612 [PATCH] NFC: prevent multiple buffer overflows in NCI', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2012/06/27/9', 'name': '[oss-security] 20120627 Re: CVE Request: Kernel [PATCH] NFC: prevent multiple buffer overflows in NCI', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=67de956ff5dc1d4f321e16cfbd63f5be3b691b43', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://ubuntu.com/usn/usn-1529-1', 'name': 'USN-1529-1', 'refsource': 'UBUNTU', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-119'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.4.4', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Multiple stack-based buffer overflows in the Near Field Communication Controller Interface (NCI) in the Linux kernel before 3.4.5 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via incoming frames with crafted length fields.'}] | 2013-01-29T05:00Z | 2013-01-22T23:55Z | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. |
Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.
As a result, an attacker may be able to execute arbitrary code, alter the intended control flow, read sensitive information, or cause the system to crash.
| https://cwe.mitre.org/data/definitions/119.html | 0 | Dan Rosenberg | 2012-06-25 16:05:27+02:00 | NFC: Prevent multiple buffer overflows in NCI
Fix multiple remotely-exploitable stack-based buffer overflows due to
the NCI code pulling length fields directly from incoming frames and
copying too much data into statically-sized arrays.
Signed-off-by: Dan Rosenberg <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Lauro Ramos Venancio <[email protected]>
Cc: Aloisio Almeida Jr <[email protected]>
Cc: Samuel Ortiz <[email protected]>
Cc: David S. Miller <[email protected]>
Acked-by: Ilan Elias <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]> | 67de956ff5dc1d4f321e16cfbd63f5be3b691b43 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | nci_extract_rf_params_nfcf_passive_poll | nci_extract_rf_params_nfcf_passive_poll( struct nci_dev * ndev , struct rf_tech_specific_params_nfcf_poll * nfcf_poll , __u8 * data) | ['ndev', 'nfcf_poll', 'data'] | static __u8 *nci_extract_rf_params_nfcf_passive_poll(struct nci_dev *ndev,
struct rf_tech_specific_params_nfcf_poll *nfcf_poll,
__u8 *data)
{
nfcf_poll->bit_rate = *data++;
nfcf_poll->sensf_res_len = *data++;
pr_debug("bit_rate %d, sensf_res_len %d\n",
nfcf_poll->bit_rate, nfcf_poll->sensf_res_len);
memcpy(nfcf_poll->sensf_res, data, nfcf_poll->sensf_res_len);
data += nfcf_poll->sensf_res_len;
return data;
} | 69 | True | 1 |
|
CVE-2012-3400 | False | False | False | False | AV:N/AC:H/Au:N/C:C/I:C/A:C | NETWORK | HIGH | NONE | COMPLETE | COMPLETE | COMPLETE | 7.6 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1df2ae31c724e57be9d7ac00d78db8a5dabdd050', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1df2ae31c724e57be9d7ac00d78db8a5dabdd050', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/07/10/2', 'name': '[oss-security] 20120709 Re: CVE Request: Stability fixes in UDF Logical Volume Descriptor handling', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=843139', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=843139', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=adee11b2085bee90bd8f4f52123ffb07882d6256', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=adee11b2085bee90bd8f4f52123ffb07882d6256', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/1df2ae31c724e57be9d7ac00d78db8a5dabdd050', 'name': 'https://github.com/torvalds/linux/commit/1df2ae31c724e57be9d7ac00d78db8a5dabdd050', 'refsource': 'CONFIRM', 'tags': ['Vendor Advisory']}, {'url': 'https://github.com/torvalds/linux/commit/adee11b2085bee90bd8f4f52123ffb07882d6256', 'name': 'https://github.com/torvalds/linux/commit/adee11b2085bee90bd8f4f52123ffb07882d6256', 'refsource': 'CONFIRM', 'tags': ['Exploit']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1557-1', 'name': 'USN-1557-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://ubuntu.com/usn/usn-1529-1', 'name': 'USN-1529-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://secunia.com/advisories/50506', 'name': '50506', 'refsource': 'SECUNIA', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0594.html', 'name': 'RHSA-2013:0594', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1556-1', 'name': 'USN-1556-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1555-1', 'name': 'USN-1555-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html', 'name': 'SUSE-SU-2015:0812', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10691', 'name': 'http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10691', 'refsource': 'CONFIRM', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-119'}]}] | HIGH | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Heap-based buffer overflow in the udf_load_logicalvol function in fs/udf/super.c in the Linux kernel before 3.4.5 allows remote attackers to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted UDF filesystem.'}] | 2016-12-08T03:02Z | 2012-10-03T11:02Z | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. |
Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.
As a result, an attacker may be able to execute arbitrary code, alter the intended control flow, read sensitive information, or cause the system to crash.
| https://cwe.mitre.org/data/definitions/119.html | 0 | Jan Kara | 2012-06-27 20:20:22+02:00 | udf: Avoid run away loop when partition table length is corrupted
Check provided length of partition table so that (possibly maliciously)
corrupted partition table cannot cause accessing data beyond current buffer.
Signed-off-by: Jan Kara <[email protected]> | adee11b2085bee90bd8f4f52123ffb07882d6256 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | udf_load_logicalvol | udf_load_logicalvol( struct super_block * sb , sector_t block , struct kernel_lb_addr * fileset) | ['sb', 'block', 'fileset'] | static int udf_load_logicalvol(struct super_block *sb, sector_t block,
struct kernel_lb_addr *fileset)
{
struct logicalVolDesc *lvd;
int i, j, offset;
uint8_t type;
struct udf_sb_info *sbi = UDF_SB(sb);
struct genericPartitionMap *gpm;
uint16_t ident;
struct buffer_head *bh;
int ret = 0;
bh = udf_read_tagged(sb, block, block, &ident);
if (!bh)
return 1;
BUG_ON(ident != TAG_IDENT_LVD);
lvd = (struct logicalVolDesc *)bh->b_data;
ret = udf_sb_alloc_partition_maps(sb, le32_to_cpu(lvd->numPartitionMaps));
if (ret)
goto out_bh;
for (i = 0, offset = 0;
i < sbi->s_partitions && offset < le32_to_cpu(lvd->mapTableLength);
i++, offset += gpm->partitionMapLength) {
struct udf_part_map *map = &sbi->s_partmaps[i];
gpm = (struct genericPartitionMap *)
&(lvd->partitionMaps[offset]);
type = gpm->partitionMapType;
if (type == 1) {
struct genericPartitionMap1 *gpm1 =
(struct genericPartitionMap1 *)gpm;
map->s_partition_type = UDF_TYPE1_MAP15;
map->s_volumeseqnum = le16_to_cpu(gpm1->volSeqNum);
map->s_partition_num = le16_to_cpu(gpm1->partitionNum);
map->s_partition_func = NULL;
} else if (type == 2) {
struct udfPartitionMap2 *upm2 =
(struct udfPartitionMap2 *)gpm;
if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL,
strlen(UDF_ID_VIRTUAL))) {
u16 suf =
le16_to_cpu(((__le16 *)upm2->partIdent.
identSuffix)[0]);
if (suf < 0x0200) {
map->s_partition_type =
UDF_VIRTUAL_MAP15;
map->s_partition_func =
udf_get_pblock_virt15;
} else {
map->s_partition_type =
UDF_VIRTUAL_MAP20;
map->s_partition_func =
udf_get_pblock_virt20;
}
} else if (!strncmp(upm2->partIdent.ident,
UDF_ID_SPARABLE,
strlen(UDF_ID_SPARABLE))) {
uint32_t loc;
struct sparingTable *st;
struct sparablePartitionMap *spm =
(struct sparablePartitionMap *)gpm;
map->s_partition_type = UDF_SPARABLE_MAP15;
map->s_type_specific.s_sparing.s_packet_len =
le16_to_cpu(spm->packetLength);
for (j = 0; j < spm->numSparingTables; j++) {
struct buffer_head *bh2;
loc = le32_to_cpu(
spm->locSparingTable[j]);
bh2 = udf_read_tagged(sb, loc, loc,
&ident);
map->s_type_specific.s_sparing.
s_spar_map[j] = bh2;
if (bh2 == NULL)
continue;
st = (struct sparingTable *)bh2->b_data;
if (ident != 0 || strncmp(
st->sparingIdent.ident,
UDF_ID_SPARING,
strlen(UDF_ID_SPARING))) {
brelse(bh2);
map->s_type_specific.s_sparing.
s_spar_map[j] = NULL;
}
}
map->s_partition_func = udf_get_pblock_spar15;
} else if (!strncmp(upm2->partIdent.ident,
UDF_ID_METADATA,
strlen(UDF_ID_METADATA))) {
struct udf_meta_data *mdata =
&map->s_type_specific.s_metadata;
struct metadataPartitionMap *mdm =
(struct metadataPartitionMap *)
&(lvd->partitionMaps[offset]);
udf_debug("Parsing Logical vol part %d type %d id=%s\n",
i, type, UDF_ID_METADATA);
map->s_partition_type = UDF_METADATA_MAP25;
map->s_partition_func = udf_get_pblock_meta25;
mdata->s_meta_file_loc =
le32_to_cpu(mdm->metadataFileLoc);
mdata->s_mirror_file_loc =
le32_to_cpu(mdm->metadataMirrorFileLoc);
mdata->s_bitmap_file_loc =
le32_to_cpu(mdm->metadataBitmapFileLoc);
mdata->s_alloc_unit_size =
le32_to_cpu(mdm->allocUnitSize);
mdata->s_align_unit_size =
le16_to_cpu(mdm->alignUnitSize);
if (mdm->flags & 0x01)
mdata->s_flags |= MF_DUPLICATE_MD;
udf_debug("Metadata Ident suffix=0x%x\n",
le16_to_cpu(*(__le16 *)
mdm->partIdent.identSuffix));
udf_debug("Metadata part num=%d\n",
le16_to_cpu(mdm->partitionNum));
udf_debug("Metadata part alloc unit size=%d\n",
le32_to_cpu(mdm->allocUnitSize));
udf_debug("Metadata file loc=%d\n",
le32_to_cpu(mdm->metadataFileLoc));
udf_debug("Mirror file loc=%d\n",
le32_to_cpu(mdm->metadataMirrorFileLoc));
udf_debug("Bitmap file loc=%d\n",
le32_to_cpu(mdm->metadataBitmapFileLoc));
udf_debug("Flags: %d %d\n",
mdata->s_flags, mdm->flags);
} else {
udf_debug("Unknown ident: %s\n",
upm2->partIdent.ident);
continue;
}
map->s_volumeseqnum = le16_to_cpu(upm2->volSeqNum);
map->s_partition_num = le16_to_cpu(upm2->partitionNum);
}
udf_debug("Partition (%d:%d) type %d on volume %d\n",
i, map->s_partition_num, type, map->s_volumeseqnum);
}
if (fileset) {
struct long_ad *la = (struct long_ad *)&(lvd->logicalVolContentsUse[0]);
*fileset = lelb_to_cpu(la->extLocation);
udf_debug("FileSet found in LogicalVolDesc at block=%d, partition=%d\n",
fileset->logicalBlockNum,
fileset->partitionReferenceNum);
}
if (lvd->integritySeqExt.extLength)
udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt));
out_bh:
brelse(bh);
return ret;
} | 908 | True | 1 |
|
CVE-2012-3400 | False | False | False | False | AV:N/AC:H/Au:N/C:C/I:C/A:C | NETWORK | HIGH | NONE | COMPLETE | COMPLETE | COMPLETE | 7.6 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1df2ae31c724e57be9d7ac00d78db8a5dabdd050', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1df2ae31c724e57be9d7ac00d78db8a5dabdd050', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/07/10/2', 'name': '[oss-security] 20120709 Re: CVE Request: Stability fixes in UDF Logical Volume Descriptor handling', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=843139', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=843139', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=adee11b2085bee90bd8f4f52123ffb07882d6256', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=adee11b2085bee90bd8f4f52123ffb07882d6256', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/1df2ae31c724e57be9d7ac00d78db8a5dabdd050', 'name': 'https://github.com/torvalds/linux/commit/1df2ae31c724e57be9d7ac00d78db8a5dabdd050', 'refsource': 'CONFIRM', 'tags': ['Vendor Advisory']}, {'url': 'https://github.com/torvalds/linux/commit/adee11b2085bee90bd8f4f52123ffb07882d6256', 'name': 'https://github.com/torvalds/linux/commit/adee11b2085bee90bd8f4f52123ffb07882d6256', 'refsource': 'CONFIRM', 'tags': ['Exploit']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1557-1', 'name': 'USN-1557-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://ubuntu.com/usn/usn-1529-1', 'name': 'USN-1529-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://secunia.com/advisories/50506', 'name': '50506', 'refsource': 'SECUNIA', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0594.html', 'name': 'RHSA-2013:0594', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1556-1', 'name': 'USN-1556-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1555-1', 'name': 'USN-1555-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html', 'name': 'SUSE-SU-2015:0812', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10691', 'name': 'http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10691', 'refsource': 'CONFIRM', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-119'}]}] | HIGH | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Heap-based buffer overflow in the udf_load_logicalvol function in fs/udf/super.c in the Linux kernel before 3.4.5 allows remote attackers to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted UDF filesystem.'}] | 2016-12-08T03:02Z | 2012-10-03T11:02Z | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. |
Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.
As a result, an attacker may be able to execute arbitrary code, alter the intended control flow, read sensitive information, or cause the system to crash.
| https://cwe.mitre.org/data/definitions/119.html | 0 | Jan Kara | 2012-06-27 21:23:07+02:00 | udf: Fortify loading of sparing table
Add sanity checks when loading sparing table from disk to avoid accessing
unallocated memory or writing to it.
Signed-off-by: Jan Kara <[email protected]> | 1df2ae31c724e57be9d7ac00d78db8a5dabdd050 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | udf_load_logicalvol | udf_load_logicalvol( struct super_block * sb , sector_t block , struct kernel_lb_addr * fileset) | ['sb', 'block', 'fileset'] | static int udf_load_logicalvol(struct super_block *sb, sector_t block,
struct kernel_lb_addr *fileset)
{
struct logicalVolDesc *lvd;
int i, j, offset;
uint8_t type;
struct udf_sb_info *sbi = UDF_SB(sb);
struct genericPartitionMap *gpm;
uint16_t ident;
struct buffer_head *bh;
unsigned int table_len;
int ret = 0;
bh = udf_read_tagged(sb, block, block, &ident);
if (!bh)
return 1;
BUG_ON(ident != TAG_IDENT_LVD);
lvd = (struct logicalVolDesc *)bh->b_data;
table_len = le32_to_cpu(lvd->mapTableLength);
if (sizeof(*lvd) + table_len > sb->s_blocksize) {
udf_err(sb, "error loading logical volume descriptor: "
"Partition table too long (%u > %lu)\n", table_len,
sb->s_blocksize - sizeof(*lvd));
goto out_bh;
}
ret = udf_sb_alloc_partition_maps(sb, le32_to_cpu(lvd->numPartitionMaps));
if (ret)
goto out_bh;
for (i = 0, offset = 0;
i < sbi->s_partitions && offset < table_len;
i++, offset += gpm->partitionMapLength) {
struct udf_part_map *map = &sbi->s_partmaps[i];
gpm = (struct genericPartitionMap *)
&(lvd->partitionMaps[offset]);
type = gpm->partitionMapType;
if (type == 1) {
struct genericPartitionMap1 *gpm1 =
(struct genericPartitionMap1 *)gpm;
map->s_partition_type = UDF_TYPE1_MAP15;
map->s_volumeseqnum = le16_to_cpu(gpm1->volSeqNum);
map->s_partition_num = le16_to_cpu(gpm1->partitionNum);
map->s_partition_func = NULL;
} else if (type == 2) {
struct udfPartitionMap2 *upm2 =
(struct udfPartitionMap2 *)gpm;
if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL,
strlen(UDF_ID_VIRTUAL))) {
u16 suf =
le16_to_cpu(((__le16 *)upm2->partIdent.
identSuffix)[0]);
if (suf < 0x0200) {
map->s_partition_type =
UDF_VIRTUAL_MAP15;
map->s_partition_func =
udf_get_pblock_virt15;
} else {
map->s_partition_type =
UDF_VIRTUAL_MAP20;
map->s_partition_func =
udf_get_pblock_virt20;
}
} else if (!strncmp(upm2->partIdent.ident,
UDF_ID_SPARABLE,
strlen(UDF_ID_SPARABLE))) {
uint32_t loc;
struct sparingTable *st;
struct sparablePartitionMap *spm =
(struct sparablePartitionMap *)gpm;
map->s_partition_type = UDF_SPARABLE_MAP15;
map->s_type_specific.s_sparing.s_packet_len =
le16_to_cpu(spm->packetLength);
for (j = 0; j < spm->numSparingTables; j++) {
struct buffer_head *bh2;
loc = le32_to_cpu(
spm->locSparingTable[j]);
bh2 = udf_read_tagged(sb, loc, loc,
&ident);
map->s_type_specific.s_sparing.
s_spar_map[j] = bh2;
if (bh2 == NULL)
continue;
st = (struct sparingTable *)bh2->b_data;
if (ident != 0 || strncmp(
st->sparingIdent.ident,
UDF_ID_SPARING,
strlen(UDF_ID_SPARING))) {
brelse(bh2);
map->s_type_specific.s_sparing.
s_spar_map[j] = NULL;
}
}
map->s_partition_func = udf_get_pblock_spar15;
} else if (!strncmp(upm2->partIdent.ident,
UDF_ID_METADATA,
strlen(UDF_ID_METADATA))) {
struct udf_meta_data *mdata =
&map->s_type_specific.s_metadata;
struct metadataPartitionMap *mdm =
(struct metadataPartitionMap *)
&(lvd->partitionMaps[offset]);
udf_debug("Parsing Logical vol part %d type %d id=%s\n",
i, type, UDF_ID_METADATA);
map->s_partition_type = UDF_METADATA_MAP25;
map->s_partition_func = udf_get_pblock_meta25;
mdata->s_meta_file_loc =
le32_to_cpu(mdm->metadataFileLoc);
mdata->s_mirror_file_loc =
le32_to_cpu(mdm->metadataMirrorFileLoc);
mdata->s_bitmap_file_loc =
le32_to_cpu(mdm->metadataBitmapFileLoc);
mdata->s_alloc_unit_size =
le32_to_cpu(mdm->allocUnitSize);
mdata->s_align_unit_size =
le16_to_cpu(mdm->alignUnitSize);
if (mdm->flags & 0x01)
mdata->s_flags |= MF_DUPLICATE_MD;
udf_debug("Metadata Ident suffix=0x%x\n",
le16_to_cpu(*(__le16 *)
mdm->partIdent.identSuffix));
udf_debug("Metadata part num=%d\n",
le16_to_cpu(mdm->partitionNum));
udf_debug("Metadata part alloc unit size=%d\n",
le32_to_cpu(mdm->allocUnitSize));
udf_debug("Metadata file loc=%d\n",
le32_to_cpu(mdm->metadataFileLoc));
udf_debug("Mirror file loc=%d\n",
le32_to_cpu(mdm->metadataMirrorFileLoc));
udf_debug("Bitmap file loc=%d\n",
le32_to_cpu(mdm->metadataBitmapFileLoc));
udf_debug("Flags: %d %d\n",
mdata->s_flags, mdm->flags);
} else {
udf_debug("Unknown ident: %s\n",
upm2->partIdent.ident);
continue;
}
map->s_volumeseqnum = le16_to_cpu(upm2->volSeqNum);
map->s_partition_num = le16_to_cpu(upm2->partitionNum);
}
udf_debug("Partition (%d:%d) type %d on volume %d\n",
i, map->s_partition_num, type, map->s_volumeseqnum);
}
if (fileset) {
struct long_ad *la = (struct long_ad *)&(lvd->logicalVolContentsUse[0]);
*fileset = lelb_to_cpu(la->extLocation);
udf_debug("FileSet found in LogicalVolDesc at block=%d, partition=%d\n",
fileset->logicalBlockNum,
fileset->partitionReferenceNum);
}
if (lvd->integritySeqExt.extLength)
udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt));
out_bh:
brelse(bh);
return ret;
} | 955 | True | 1 |
|
CVE-2012-3511 | False | False | False | False | AV:L/AC:H/Au:N/C:C/I:C/A:C | LOCAL | HIGH | NONE | COMPLETE | COMPLETE | COMPLETE | 6.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9ab4233dd08036fe34a89c7dc6f47a8bf2eb29eb', 'name': 'https://github.com/torvalds/linux/commit/9ab4233dd08036fe34a89c7dc6f47a8bf2eb29eb', 'refsource': 'CONFIRM', 'tags': ['Exploit']}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9ab4233dd08036fe34a89c7dc6f47a8bf2eb29eb', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9ab4233dd08036fe34a89c7dc6f47a8bf2eb29eb', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/08/20/13', 'name': '[oss-security] 20120820 Re: CVE Request -- kernel: mm: use-after-free in madvise_remove()', 'refsource': 'MLIST', 'tags': ['Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=849734', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=849734', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.ubuntu.com/usn/USN-1567-1', 'name': 'USN-1567-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1572-1', 'name': 'USN-1572-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://ubuntu.com/usn/usn-1529-1', 'name': 'USN-1529-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1577-1', 'name': 'USN-1577-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.securityfocus.com/bid/55151', 'name': '55151', 'refsource': 'BID', 'tags': []}, {'url': 'http://secunia.com/advisories/50633', 'name': '50633', 'refsource': 'SECUNIA', 'tags': []}, {'url': 'http://secunia.com/advisories/50732', 'name': '50732', 'refsource': 'SECUNIA', 'tags': []}, {'url': 'http://secunia.com/advisories/55055', 'name': '55055', 'refsource': 'SECUNIA', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-362'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.2:*:*:*:*:*:*:*', 'cpe_name': []}, 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'cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:*', 'cpe_name': []}, 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'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Multiple race conditions in the madvise_remove function in mm/madvise.c in the Linux kernel before 3.4.5 allow local users to cause a denial of service (use-after-free and system crash) via vectors involving a (1) munmap or (2) close system call.'}] | 2013-10-24T03:40Z | 2012-10-04T03:28Z | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. |
This can have security implications when the expected synchronization is in security-critical code, such as recording whether a user is authenticated or modifying important state information that should not be influenced by an outsider.
A race condition occurs within concurrent environments, and is effectively a property of a code sequence. Depending on the context, a code sequence may be in the form of a function call, a small number of instructions, a series of program invocations, etc.
A race condition violates these properties, which are closely related:
Exclusivity - the code sequence is given exclusive access to the shared resource, i.e., no other code sequence can modify properties of the shared resource before the original sequence has completed execution.
Atomicity - the code sequence is behaviorally atomic, i.e., no other thread or process can concurrently execute the same sequence of instructions (or a subset) against the same resource.
A race condition exists when an "interfering code sequence" can still access the shared resource, violating exclusivity. Programmers may assume that certain code sequences execute too quickly to be affected by an interfering code sequence; when they are not, this violates atomicity. For example, the single "x++" statement may appear atomic at the code layer, but it is actually non-atomic at the instruction layer, since it involves a read (the original value of x), followed by a computation (x+1), followed by a write (save the result to x).
The interfering code sequence could be "trusted" or "untrusted." A trusted interfering code sequence occurs within the program; it cannot be modified by the attacker, and it can only be invoked indirectly. An untrusted interfering code sequence can be authored directly by the attacker, and typically it is external to the vulnerable program.
| https://cwe.mitre.org/data/definitions/362.html | 0 | Andy Lutomirski | 2012-07-05 16:00:11-07:00 | mm: Hold a file reference in madvise_remove
Otherwise the code races with munmap (causing a use-after-free
of the vma) or with close (causing a use-after-free of the struct
file).
The bug was introduced by commit 90ed52ebe481 ("[PATCH] holepunch: fix
mmap_sem i_mutex deadlock")
Cc: Hugh Dickins <[email protected]>
Cc: Miklos Szeredi <[email protected]>
Cc: Badari Pulavarty <[email protected]>
Cc: Nick Piggin <[email protected]>
Cc: [email protected]
Signed-off-by: Andy Lutomirski <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]> | 9ab4233dd08036fe34a89c7dc6f47a8bf2eb29eb | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | madvise_remove | madvise_remove( struct vm_area_struct * vma , struct vm_area_struct ** prev , unsigned long start , unsigned long end) | ['vma', 'prev', 'start', 'end'] | static long madvise_remove(struct vm_area_struct *vma,
struct vm_area_struct **prev,
unsigned long start, unsigned long end)
{
loff_t offset;
int error;
*prev = NULL; /* tell sys_madvise we drop mmap_sem */
if (vma->vm_flags & (VM_LOCKED|VM_NONLINEAR|VM_HUGETLB))
return -EINVAL;
if (!vma->vm_file || !vma->vm_file->f_mapping
|| !vma->vm_file->f_mapping->host) {
return -EINVAL;
}
if ((vma->vm_flags & (VM_SHARED|VM_WRITE)) != (VM_SHARED|VM_WRITE))
return -EACCES;
offset = (loff_t)(start - vma->vm_start)
+ ((loff_t)vma->vm_pgoff << PAGE_SHIFT);
/* filesystem's fallocate may need to take i_mutex */
up_read(¤t->mm->mmap_sem);
error = do_fallocate(vma->vm_file,
FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE,
offset, end - start);
down_read(¤t->mm->mmap_sem);
return error;
} | 171 | True | 1 |
|
CVE-2013-0310 | False | False | False | False | AV:L/AC:M/Au:S/C:C/I:C/A:C | LOCAL | MEDIUM | SINGLE | COMPLETE | COMPLETE | COMPLETE | 6.6 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=89d7ae34cdda4195809a5a987f697a517a2a3177', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=89d7ae34cdda4195809a5a987f697a517a2a3177', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.8', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.8', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/89d7ae34cdda4195809a5a987f697a517a2a3177', 'name': 'https://github.com/torvalds/linux/commit/89d7ae34cdda4195809a5a987f697a517a2a3177', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=912900', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=912900', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/20/5', 'name': '[oss-security] 20130219 Re: CVE request -- Linux kernel: net: CIPSO_V4_TAG_LOCAL tag NULL pointer dereference', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0496.html', 'name': 'RHSA-2013:0496', 'refsource': 'REDHAT', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-119'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.4.7', 'cpe_name': []}, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.42:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.32:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.44:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The cipso_v4_validate function in net/ipv4/cipso_ipv4.c in the Linux kernel before 3.4.8 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via an IPOPT_CIPSO IP_OPTIONS setsockopt system call.'}] | 2019-04-22T17:48Z | 2013-02-22T00:55Z | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. |
Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.
As a result, an attacker may be able to execute arbitrary code, alter the intended control flow, read sensitive information, or cause the system to crash.
| https://cwe.mitre.org/data/definitions/119.html | 0 | Paul Moore | 2012-07-17 11:07:47+00:00 | cipso: don't follow a NULL pointer when setsockopt() is called
As reported by Alan Cox, and verified by Lin Ming, when a user
attempts to add a CIPSO option to a socket using the CIPSO_V4_TAG_LOCAL
tag the kernel dies a terrible death when it attempts to follow a NULL
pointer (the skb argument to cipso_v4_validate() is NULL when called via
the setsockopt() syscall).
This patch fixes this by first checking to ensure that the skb is
non-NULL before using it to find the incoming network interface. In
the unlikely case where the skb is NULL and the user attempts to add
a CIPSO option with the _TAG_LOCAL tag we return an error as this is
not something we want to allow.
A simple reproducer, kindly supplied by Lin Ming, although you must
have the CIPSO DOI #3 configure on the system first or you will be
caught early in cipso_v4_validate():
#include <sys/types.h>
#include <sys/socket.h>
#include <linux/ip.h>
#include <linux/in.h>
#include <string.h>
struct local_tag {
char type;
char length;
char info[4];
};
struct cipso {
char type;
char length;
char doi[4];
struct local_tag local;
};
int main(int argc, char **argv)
{
int sockfd;
struct cipso cipso = {
.type = IPOPT_CIPSO,
.length = sizeof(struct cipso),
.local = {
.type = 128,
.length = sizeof(struct local_tag),
},
};
memset(cipso.doi, 0, 4);
cipso.doi[3] = 3;
sockfd = socket(AF_INET, SOCK_DGRAM, 0);
#define SOL_IP 0
setsockopt(sockfd, SOL_IP, IP_OPTIONS,
&cipso, sizeof(struct cipso));
return 0;
}
CC: Lin Ming <[email protected]>
Reported-by: Alan Cox <[email protected]>
Signed-off-by: Paul Moore <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 89d7ae34cdda4195809a5a987f697a517a2a3177 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | cipso_v4_validate | cipso_v4_validate( const struct sk_buff * skb , unsigned char ** option) | ['skb', 'option'] | int cipso_v4_validate(const struct sk_buff *skb, unsigned char **option)
{
unsigned char *opt = *option;
unsigned char *tag;
unsigned char opt_iter;
unsigned char err_offset = 0;
u8 opt_len;
u8 tag_len;
struct cipso_v4_doi *doi_def = NULL;
u32 tag_iter;
/* caller already checks for length values that are too large */
opt_len = opt[1];
if (opt_len < 8) {
err_offset = 1;
goto validate_return;
}
rcu_read_lock();
doi_def = cipso_v4_doi_search(get_unaligned_be32(&opt[2]));
if (doi_def == NULL) {
err_offset = 2;
goto validate_return_locked;
}
opt_iter = CIPSO_V4_HDR_LEN;
tag = opt + opt_iter;
while (opt_iter < opt_len) {
for (tag_iter = 0; doi_def->tags[tag_iter] != tag[0];)
if (doi_def->tags[tag_iter] == CIPSO_V4_TAG_INVALID ||
++tag_iter == CIPSO_V4_TAG_MAXCNT) {
err_offset = opt_iter;
goto validate_return_locked;
}
tag_len = tag[1];
if (tag_len > (opt_len - opt_iter)) {
err_offset = opt_iter + 1;
goto validate_return_locked;
}
switch (tag[0]) {
case CIPSO_V4_TAG_RBITMAP:
if (tag_len < CIPSO_V4_TAG_RBM_BLEN) {
err_offset = opt_iter + 1;
goto validate_return_locked;
}
/* We are already going to do all the verification
* necessary at the socket layer so from our point of
* view it is safe to turn these checks off (and less
* work), however, the CIPSO draft says we should do
* all the CIPSO validations here but it doesn't
* really specify _exactly_ what we need to validate
* ... so, just make it a sysctl tunable. */
if (cipso_v4_rbm_strictvalid) {
if (cipso_v4_map_lvl_valid(doi_def,
tag[3]) < 0) {
err_offset = opt_iter + 3;
goto validate_return_locked;
}
if (tag_len > CIPSO_V4_TAG_RBM_BLEN &&
cipso_v4_map_cat_rbm_valid(doi_def,
&tag[4],
tag_len - 4) < 0) {
err_offset = opt_iter + 4;
goto validate_return_locked;
}
}
break;
case CIPSO_V4_TAG_ENUM:
if (tag_len < CIPSO_V4_TAG_ENUM_BLEN) {
err_offset = opt_iter + 1;
goto validate_return_locked;
}
if (cipso_v4_map_lvl_valid(doi_def,
tag[3]) < 0) {
err_offset = opt_iter + 3;
goto validate_return_locked;
}
if (tag_len > CIPSO_V4_TAG_ENUM_BLEN &&
cipso_v4_map_cat_enum_valid(doi_def,
&tag[4],
tag_len - 4) < 0) {
err_offset = opt_iter + 4;
goto validate_return_locked;
}
break;
case CIPSO_V4_TAG_RANGE:
if (tag_len < CIPSO_V4_TAG_RNG_BLEN) {
err_offset = opt_iter + 1;
goto validate_return_locked;
}
if (cipso_v4_map_lvl_valid(doi_def,
tag[3]) < 0) {
err_offset = opt_iter + 3;
goto validate_return_locked;
}
if (tag_len > CIPSO_V4_TAG_RNG_BLEN &&
cipso_v4_map_cat_rng_valid(doi_def,
&tag[4],
tag_len - 4) < 0) {
err_offset = opt_iter + 4;
goto validate_return_locked;
}
break;
case CIPSO_V4_TAG_LOCAL:
/* This is a non-standard tag that we only allow for
* local connections, so if the incoming interface is
* not the loopback device drop the packet. */
if (!(skb->dev->flags & IFF_LOOPBACK)) {
err_offset = opt_iter;
goto validate_return_locked;
}
if (tag_len != CIPSO_V4_TAG_LOC_BLEN) {
err_offset = opt_iter + 1;
goto validate_return_locked;
}
break;
default:
err_offset = opt_iter;
goto validate_return_locked;
}
tag += tag_len;
opt_iter += tag_len;
}
validate_return_locked:
rcu_read_unlock();
validate_return:
*option = opt + err_offset;
return err_offset;
} | 536 | True | 1 |
|
CVE-2012-6547 | False | False | False | False | AV:L/AC:M/Au:N/C:P/I:N/A:N | LOCAL | MEDIUM | NONE | PARTIAL | NONE | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2', 'name': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/a117dacde0288f3ec60b6e5bcedae8fa37ee0dfc', 'name': 'https://github.com/torvalds/linux/commit/a117dacde0288f3ec60b6e5bcedae8fa37ee0dfc', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a117dacde0288f3ec60b6e5bcedae8fa37ee0dfc', 'name': 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'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.66:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.45:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.59:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.60:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The __tun_chr_ioctl function in drivers/net/tun.c in the Linux kernel before 3.6 does not initialize a certain structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.'}] | 2013-08-22T06:48Z | 2013-03-15T20:55Z | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include:
private, personal information, such as personal messages, financial data, health records, geographic location, or contact details
system status and environment, such as the operating system and installed packages
business secrets and intellectual property
network status and configuration
the product's own code or internal state
metadata, e.g. logging of connections or message headers
indirect information, such as a discrepancy between two internal operations that can be observed by an outsider
Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include:
the product's own users
people or organizations whose information is created or used by the product, even if they are not direct product users
the product's administrators, including the admins of the system(s) and/or networks on which the product operates
the developer
Information exposures can occur in different ways:
the code explicitly inserts sensitive information into resources or messages that are intentionally made accessible to unauthorized actors, but should not contain the information - i.e., the information should have been "scrubbed" or "sanitized"
a different weakness or mistake indirectly inserts the sensitive information into resources, such as a web script error revealing the full system path of the program.
the code manages resources that intentionally contain sensitive information, but the resources are unintentionally made accessible to unauthorized actors. In this case, the information exposure is resultant - i.e., a different weakness enabled the access to the information in the first place.
It is common practice to describe any loss of confidentiality as an "information exposure," but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read. CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.
| https://cwe.mitre.org/data/definitions/200.html | 0 | Mathias Krause | 2012-07-29 19:45:14+00:00 | net/tun: fix ioctl() based info leaks
The tun module leaks up to 36 bytes of memory by not fully initializing
a structure located on the stack that gets copied to user memory by the
TUNGETIFF and SIOCGIFHWADDR ioctl()s.
Signed-off-by: Mathias Krause <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | a117dacde0288f3ec60b6e5bcedae8fa37ee0dfc | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | __tun_chr_ioctl | __tun_chr_ioctl( struct file * file , unsigned int cmd , unsigned long arg , int ifreq_len) | ['file', 'cmd', 'arg', 'ifreq_len'] | static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
unsigned long arg, int ifreq_len)
{
struct tun_file *tfile = file->private_data;
struct tun_struct *tun;
void __user* argp = (void __user*)arg;
struct sock_fprog fprog;
struct ifreq ifr;
int sndbuf;
int vnet_hdr_sz;
int ret;
if (cmd == TUNSETIFF || _IOC_TYPE(cmd) == 0x89)
if (copy_from_user(&ifr, argp, ifreq_len))
return -EFAULT;
if (cmd == TUNGETFEATURES) {
/* Currently this just means: "what IFF flags are valid?".
* This is needed because we never checked for invalid flags on
* TUNSETIFF. */
return put_user(IFF_TUN | IFF_TAP | IFF_NO_PI | IFF_ONE_QUEUE |
IFF_VNET_HDR,
(unsigned int __user*)argp);
}
rtnl_lock();
tun = __tun_get(tfile);
if (cmd == TUNSETIFF && !tun) {
ifr.ifr_name[IFNAMSIZ-1] = '\0';
ret = tun_set_iff(tfile->net, file, &ifr);
if (ret)
goto unlock;
if (copy_to_user(argp, &ifr, ifreq_len))
ret = -EFAULT;
goto unlock;
}
ret = -EBADFD;
if (!tun)
goto unlock;
tun_debug(KERN_INFO, tun, "tun_chr_ioctl cmd %d\n", cmd);
ret = 0;
switch (cmd) {
case TUNGETIFF:
ret = tun_get_iff(current->nsproxy->net_ns, tun, &ifr);
if (ret)
break;
if (copy_to_user(argp, &ifr, ifreq_len))
ret = -EFAULT;
break;
case TUNSETNOCSUM:
/* Disable/Enable checksum */
/* [unimplemented] */
tun_debug(KERN_INFO, tun, "ignored: set checksum %s\n",
arg ? "disabled" : "enabled");
break;
case TUNSETPERSIST:
/* Disable/Enable persist mode */
if (arg)
tun->flags |= TUN_PERSIST;
else
tun->flags &= ~TUN_PERSIST;
tun_debug(KERN_INFO, tun, "persist %s\n",
arg ? "enabled" : "disabled");
break;
case TUNSETOWNER:
/* Set owner of the device */
tun->owner = (uid_t) arg;
tun_debug(KERN_INFO, tun, "owner set to %d\n", tun->owner);
break;
case TUNSETGROUP:
/* Set group of the device */
tun->group= (gid_t) arg;
tun_debug(KERN_INFO, tun, "group set to %d\n", tun->group);
break;
case TUNSETLINK:
/* Only allow setting the type when the interface is down */
if (tun->dev->flags & IFF_UP) {
tun_debug(KERN_INFO, tun,
"Linktype set failed because interface is up\n");
ret = -EBUSY;
} else {
tun->dev->type = (int) arg;
tun_debug(KERN_INFO, tun, "linktype set to %d\n",
tun->dev->type);
ret = 0;
}
break;
#ifdef TUN_DEBUG
case TUNSETDEBUG:
tun->debug = arg;
break;
#endif
case TUNSETOFFLOAD:
ret = set_offload(tun, arg);
break;
case TUNSETTXFILTER:
/* Can be set only for TAPs */
ret = -EINVAL;
if ((tun->flags & TUN_TYPE_MASK) != TUN_TAP_DEV)
break;
ret = update_filter(&tun->txflt, (void __user *)arg);
break;
case SIOCGIFHWADDR:
/* Get hw address */
memcpy(ifr.ifr_hwaddr.sa_data, tun->dev->dev_addr, ETH_ALEN);
ifr.ifr_hwaddr.sa_family = tun->dev->type;
if (copy_to_user(argp, &ifr, ifreq_len))
ret = -EFAULT;
break;
case SIOCSIFHWADDR:
/* Set hw address */
tun_debug(KERN_DEBUG, tun, "set hw address: %pM\n",
ifr.ifr_hwaddr.sa_data);
ret = dev_set_mac_address(tun->dev, &ifr.ifr_hwaddr);
break;
case TUNGETSNDBUF:
sndbuf = tun->socket.sk->sk_sndbuf;
if (copy_to_user(argp, &sndbuf, sizeof(sndbuf)))
ret = -EFAULT;
break;
case TUNSETSNDBUF:
if (copy_from_user(&sndbuf, argp, sizeof(sndbuf))) {
ret = -EFAULT;
break;
}
tun->socket.sk->sk_sndbuf = sndbuf;
break;
case TUNGETVNETHDRSZ:
vnet_hdr_sz = tun->vnet_hdr_sz;
if (copy_to_user(argp, &vnet_hdr_sz, sizeof(vnet_hdr_sz)))
ret = -EFAULT;
break;
case TUNSETVNETHDRSZ:
if (copy_from_user(&vnet_hdr_sz, argp, sizeof(vnet_hdr_sz))) {
ret = -EFAULT;
break;
}
if (vnet_hdr_sz < (int)sizeof(struct virtio_net_hdr)) {
ret = -EINVAL;
break;
}
tun->vnet_hdr_sz = vnet_hdr_sz;
break;
case TUNATTACHFILTER:
/* Can be set only for TAPs */
ret = -EINVAL;
if ((tun->flags & TUN_TYPE_MASK) != TUN_TAP_DEV)
break;
ret = -EFAULT;
if (copy_from_user(&fprog, argp, sizeof(fprog)))
break;
ret = sk_attach_filter(&fprog, tun->socket.sk);
break;
case TUNDETACHFILTER:
/* Can be set only for TAPs */
ret = -EINVAL;
if ((tun->flags & TUN_TYPE_MASK) != TUN_TAP_DEV)
break;
ret = sk_detach_filter(tun->socket.sk);
break;
default:
ret = -EINVAL;
break;
}
unlock:
rtnl_unlock();
if (tun)
tun_put(tun);
return ret;
} | 884 | True | 1 |
|
CVE-2012-5517 | False | False | False | False | AV:L/AC:H/Au:N/C:N/I:N/A:C | LOCAL | HIGH | NONE | NONE | NONE | COMPLETE | 4.0 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2012/11/13/11', 'name': '[oss-security] 20121113 Re: CVE request -- Linux kernel: mm/hotplug: failure in propagating hot-added memory to other nodes', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=875374', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=875374', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=08dff7b7d629807dbb1f398c68dd9cd58dd657a1', 'name': 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'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The online_pages function in mm/memory_hotplug.c in the Linux kernel before 3.6 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact in opportunistic circumstances by using memory that was hot-added by an administrator.'}] | 2013-06-21T03:14Z | 2012-12-21T11:47Z | Other | NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset. | Insufficient Information | https://nvd.nist.gov/vuln/categories | 0 | Jiang Liu | 2012-07-31 16:43:30-07:00 | mm/hotplug: correctly add new zone to all other nodes' zone lists
When online_pages() is called to add new memory to an empty zone, it
rebuilds all zone lists by calling build_all_zonelists(). But there's a
bug which prevents the new zone to be added to other nodes' zone lists.
online_pages() {
build_all_zonelists()
.....
node_set_state(zone_to_nid(zone), N_HIGH_MEMORY)
}
Here the node of the zone is put into N_HIGH_MEMORY state after calling
build_all_zonelists(), but build_all_zonelists() only adds zones from
nodes in N_HIGH_MEMORY state to the fallback zone lists.
build_all_zonelists()
->__build_all_zonelists()
->build_zonelists()
->find_next_best_node()
->for_each_node_state(n, N_HIGH_MEMORY)
So memory in the new zone will never be used by other nodes, and it may
cause strange behavor when system is under memory pressure. So put node
into N_HIGH_MEMORY state before calling build_all_zonelists().
Signed-off-by: Jianguo Wu <[email protected]>
Signed-off-by: Jiang Liu <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Rusty Russell <[email protected]>
Cc: Yinghai Lu <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: KAMEZAWA Hiroyuki <[email protected]>
Cc: KOSAKI Motohiro <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Keping Chen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]> | 08dff7b7d629807dbb1f398c68dd9cd58dd657a1 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | online_pages | online_pages( unsigned long pfn , unsigned long nr_pages) | ['pfn', 'nr_pages'] | int __ref online_pages(unsigned long pfn, unsigned long nr_pages)
{
unsigned long onlined_pages = 0;
struct zone *zone;
int need_zonelists_rebuild = 0;
int nid;
int ret;
struct memory_notify arg;
lock_memory_hotplug();
arg.start_pfn = pfn;
arg.nr_pages = nr_pages;
arg.status_change_nid = -1;
nid = page_to_nid(pfn_to_page(pfn));
if (node_present_pages(nid) == 0)
arg.status_change_nid = nid;
ret = memory_notify(MEM_GOING_ONLINE, &arg);
ret = notifier_to_errno(ret);
if (ret) {
memory_notify(MEM_CANCEL_ONLINE, &arg);
unlock_memory_hotplug();
return ret;
}
/*
* This doesn't need a lock to do pfn_to_page().
* The section can't be removed here because of the
* memory_block->state_mutex.
*/
zone = page_zone(pfn_to_page(pfn));
/*
* If this zone is not populated, then it is not in zonelist.
* This means the page allocator ignores this zone.
* So, zonelist must be updated after online.
*/
mutex_lock(&zonelists_mutex);
if (!populated_zone(zone))
need_zonelists_rebuild = 1;
ret = walk_system_ram_range(pfn, nr_pages, &onlined_pages,
online_pages_range);
if (ret) {
mutex_unlock(&zonelists_mutex);
printk(KERN_DEBUG "online_pages [mem %#010llx-%#010llx] failed\n",
(unsigned long long) pfn << PAGE_SHIFT,
(((unsigned long long) pfn + nr_pages)
<< PAGE_SHIFT) - 1);
memory_notify(MEM_CANCEL_ONLINE, &arg);
unlock_memory_hotplug();
return ret;
}
zone->present_pages += onlined_pages;
zone->zone_pgdat->node_present_pages += onlined_pages;
if (need_zonelists_rebuild)
build_all_zonelists(NULL, zone);
else
zone_pcp_update(zone);
mutex_unlock(&zonelists_mutex);
init_per_zone_wmark_min();
if (onlined_pages) {
kswapd_run(zone_to_nid(zone));
node_set_state(zone_to_nid(zone), N_HIGH_MEMORY);
}
vm_total_pages = nr_free_pagecache_pages();
writeback_set_ratelimit();
if (onlined_pages)
memory_notify(MEM_ONLINE, &arg);
unlock_memory_hotplug();
return 0;
} | 321 | True | 1 |
|
CVE-2012-6545 | False | False | False | False | AV:L/AC:M/Au:N/C:P/I:N/A:N | LOCAL | MEDIUM | NONE | PARTIAL | NONE | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9344a972961d1a6d2c04d9008b13617bcb6ec2ef', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9344a972961d1a6d2c04d9008b13617bcb6ec2ef', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/f9432c5ec8b1e9a09b9b0e5569e3c73db8de432a', 'name': 'https://github.com/torvalds/linux/commit/f9432c5ec8b1e9a09b9b0e5569e3c73db8de432a', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 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'https://github.com/torvalds/linux/commit/9344a972961d1a6d2c04d9008b13617bcb6ec2ef', 'name': 'https://github.com/torvalds/linux/commit/9344a972961d1a6d2c04d9008b13617bcb6ec2ef', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1805-1', 'name': 'USN-1805-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1808-1', 'name': 'USN-1808-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-1645.html', 'name': 'RHSA-2013:1645', 'refsource': 'REDHAT', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-200'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 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[{'lang': 'en', 'value': 'The Bluetooth RFCOMM implementation in the Linux kernel before 3.6 does not properly initialize certain structures, which allows local users to obtain sensitive information from kernel memory via a crafted application.'}] | 2019-04-22T17:48Z | 2013-03-15T20:55Z | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include:
private, personal information, such as personal messages, financial data, health records, geographic location, or contact details
system status and environment, such as the operating system and installed packages
business secrets and intellectual property
network status and configuration
the product's own code or internal state
metadata, e.g. logging of connections or message headers
indirect information, such as a discrepancy between two internal operations that can be observed by an outsider
Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include:
the product's own users
people or organizations whose information is created or used by the product, even if they are not direct product users
the product's administrators, including the admins of the system(s) and/or networks on which the product operates
the developer
Information exposures can occur in different ways:
the code explicitly inserts sensitive information into resources or messages that are intentionally made accessible to unauthorized actors, but should not contain the information - i.e., the information should have been "scrubbed" or "sanitized"
a different weakness or mistake indirectly inserts the sensitive information into resources, such as a web script error revealing the full system path of the program.
the code manages resources that intentionally contain sensitive information, but the resources are unintentionally made accessible to unauthorized actors. In this case, the information exposure is resultant - i.e., a different weakness enabled the access to the information in the first place.
It is common practice to describe any loss of confidentiality as an "information exposure," but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read. CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.
| https://cwe.mitre.org/data/definitions/200.html | 0 | Mathias Krause | 2012-08-15 11:31:49+00:00 | Bluetooth: RFCOMM - Fix info leak in ioctl(RFCOMMGETDEVLIST)
The RFCOMM code fails to initialize the two padding bytes of struct
rfcomm_dev_list_req inserted for alignment before copying it to
userland. Additionally there are two padding bytes in each instance of
struct rfcomm_dev_info. The ioctl() that for disclosures two bytes plus
dev_num times two bytes uninitialized kernel heap memory.
Allocate the memory using kzalloc() to fix this issue.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Marcel Holtmann <[email protected]>
Cc: Gustavo Padovan <[email protected]>
Cc: Johan Hedberg <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | f9432c5ec8b1e9a09b9b0e5569e3c73db8de432a | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | rfcomm_get_dev_list | rfcomm_get_dev_list( void __user * arg) | ['arg'] | static int rfcomm_get_dev_list(void __user *arg)
{
struct rfcomm_dev *dev;
struct rfcomm_dev_list_req *dl;
struct rfcomm_dev_info *di;
int n = 0, size, err;
u16 dev_num;
BT_DBG("");
if (get_user(dev_num, (u16 __user *) arg))
return -EFAULT;
if (!dev_num || dev_num > (PAGE_SIZE * 4) / sizeof(*di))
return -EINVAL;
size = sizeof(*dl) + dev_num * sizeof(*di);
dl = kmalloc(size, GFP_KERNEL);
if (!dl)
return -ENOMEM;
di = dl->dev_info;
spin_lock(&rfcomm_dev_lock);
list_for_each_entry(dev, &rfcomm_dev_list, list) {
if (test_bit(RFCOMM_TTY_RELEASED, &dev->flags))
continue;
(di + n)->id = dev->id;
(di + n)->flags = dev->flags;
(di + n)->state = dev->dlc->state;
(di + n)->channel = dev->channel;
bacpy(&(di + n)->src, &dev->src);
bacpy(&(di + n)->dst, &dev->dst);
if (++n >= dev_num)
break;
}
spin_unlock(&rfcomm_dev_lock);
dl->dev_num = n;
size = sizeof(*dl) + n * sizeof(*di);
err = copy_to_user(arg, dl, size);
kfree(dl);
return err ? -EFAULT : 0;
} | 298 | True | 1 |
|
CVE-2012-6542 | False | False | False | False | AV:L/AC:M/Au:N/C:P/I:N/A:N | LOCAL | MEDIUM | NONE | PARTIAL | NONE | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2', 'name': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3592aaeb80290bda0f2cf0b5456c97bfc638b192', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3592aaeb80290bda0f2cf0b5456c97bfc638b192', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/3592aaeb80290bda0f2cf0b5456c97bfc638b192', 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.66:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The llc_ui_getname function in net/llc/af_llc.c in the Linux kernel before 3.6 has an incorrect return value in certain circumstances, which allows local users to obtain sensitive information from kernel stack memory via a crafted application that leverages an uninitialized pointer argument.'}] | 2019-04-22T17:48Z | 2013-03-15T20:55Z | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include:
private, personal information, such as personal messages, financial data, health records, geographic location, or contact details
system status and environment, such as the operating system and installed packages
business secrets and intellectual property
network status and configuration
the product's own code or internal state
metadata, e.g. logging of connections or message headers
indirect information, such as a discrepancy between two internal operations that can be observed by an outsider
Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include:
the product's own users
people or organizations whose information is created or used by the product, even if they are not direct product users
the product's administrators, including the admins of the system(s) and/or networks on which the product operates
the developer
Information exposures can occur in different ways:
the code explicitly inserts sensitive information into resources or messages that are intentionally made accessible to unauthorized actors, but should not contain the information - i.e., the information should have been "scrubbed" or "sanitized"
a different weakness or mistake indirectly inserts the sensitive information into resources, such as a web script error revealing the full system path of the program.
the code manages resources that intentionally contain sensitive information, but the resources are unintentionally made accessible to unauthorized actors. In this case, the information exposure is resultant - i.e., a different weakness enabled the access to the information in the first place.
It is common practice to describe any loss of confidentiality as an "information exposure," but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read. CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.
| https://cwe.mitre.org/data/definitions/200.html | 0 | Mathias Krause | 2012-08-15 11:31:53+00:00 | llc: fix info leak via getsockname()
The LLC code wrongly returns 0, i.e. "success", when the socket is
zapped. Together with the uninitialized uaddrlen pointer argument from
sys_getsockname this leads to an arbitrary memory leak of up to 128
bytes kernel stack via the getsockname() syscall.
Return an error instead when the socket is zapped to prevent the info
leak. Also remove the unnecessary memset(0). We don't directly write to
the memory pointed by uaddr but memcpy() a local structure at the end of
the function that is properly initialized.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 3592aaeb80290bda0f2cf0b5456c97bfc638b192 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | llc_ui_getname | llc_ui_getname( struct socket * sock , struct sockaddr * uaddr , int * uaddrlen , int peer) | ['sock', 'uaddr', 'uaddrlen', 'peer'] | static int llc_ui_getname(struct socket *sock, struct sockaddr *uaddr,
int *uaddrlen, int peer)
{
struct sockaddr_llc sllc;
struct sock *sk = sock->sk;
struct llc_sock *llc = llc_sk(sk);
int rc = 0;
memset(&sllc, 0, sizeof(sllc));
lock_sock(sk);
if (sock_flag(sk, SOCK_ZAPPED))
goto out;
*uaddrlen = sizeof(sllc);
memset(uaddr, 0, *uaddrlen);
if (peer) {
rc = -ENOTCONN;
if (sk->sk_state != TCP_ESTABLISHED)
goto out;
if(llc->dev)
sllc.sllc_arphrd = llc->dev->type;
sllc.sllc_sap = llc->daddr.lsap;
memcpy(&sllc.sllc_mac, &llc->daddr.mac, IFHWADDRLEN);
} else {
rc = -EINVAL;
if (!llc->sap)
goto out;
sllc.sllc_sap = llc->sap->laddr.lsap;
if (llc->dev) {
sllc.sllc_arphrd = llc->dev->type;
memcpy(&sllc.sllc_mac, llc->dev->dev_addr,
IFHWADDRLEN);
}
}
rc = 0;
sllc.sllc_family = AF_LLC;
memcpy(uaddr, &sllc, sizeof(sllc));
out:
release_sock(sk);
return rc;
} | 259 | True | 1 |
|
CVE-2013-1827 | False | False | False | False | AV:L/AC:H/Au:N/C:C/I:C/A:C | LOCAL | HIGH | NONE | COMPLETE | COMPLETE | COMPLETE | 6.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=919164', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=919164', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/07/2', 'name': '[oss-security] 20130307 Re: CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=276bdb82dedb290511467a5a4fdbe9f0b52dce6f', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=276bdb82dedb290511467a5a4fdbe9f0b52dce6f', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'https://github.com/torvalds/linux/commit/276bdb82dedb290511467a5a4fdbe9f0b52dce6f', 'name': 'https://github.com/torvalds/linux/commit/276bdb82dedb290511467a5a4fdbe9f0b52dce6f', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.4', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.4', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0744.html', 'name': 'RHSA-2013:0744', 'refsource': 'REDHAT', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'NVD-CWE-Other'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.5.3', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'net/dccp/ccid.h in the Linux kernel before 3.5.4 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability for a certain (1) sender or (2) receiver getsockopt call.'}] | 2013-06-05T03:42Z | 2013-03-22T11:59Z | Other | NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset. | Insufficient Information | https://nvd.nist.gov/vuln/categories | 0 | Mathias Krause | 2012-08-15 11:31:54+00:00 | dccp: check ccid before dereferencing
ccid_hc_rx_getsockopt() and ccid_hc_tx_getsockopt() might be called with
a NULL ccid pointer leading to a NULL pointer dereference. This could
lead to a privilege escalation if the attacker is able to map page 0 and
prepare it with a fake ccid_ops pointer.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Gerrit Renker <[email protected]>
Cc: [email protected]
Signed-off-by: David S. Miller <[email protected]> | 276bdb82dedb290511467a5a4fdbe9f0b52dce6f | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | ccid_hc_rx_getsockopt | ccid_hc_rx_getsockopt( struct ccid * ccid , struct sock * sk , const int optname , int len , u32 __user * optval , int __user * optlen) | ['ccid', 'sk', 'optname', 'len', 'optval', 'optlen'] | static inline int ccid_hc_rx_getsockopt(struct ccid *ccid, struct sock *sk,
const int optname, int len,
u32 __user *optval, int __user *optlen)
{
int rc = -ENOPROTOOPT;
if (ccid->ccid_ops->ccid_hc_rx_getsockopt != NULL)
rc = ccid->ccid_ops->ccid_hc_rx_getsockopt(sk, optname, len,
optval, optlen);
return rc;
} | 69 | True | 1 |
|
CVE-2013-1827 | False | False | False | False | AV:L/AC:H/Au:N/C:C/I:C/A:C | LOCAL | HIGH | NONE | COMPLETE | COMPLETE | COMPLETE | 6.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=919164', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=919164', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/07/2', 'name': '[oss-security] 20130307 Re: CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=276bdb82dedb290511467a5a4fdbe9f0b52dce6f', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=276bdb82dedb290511467a5a4fdbe9f0b52dce6f', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'https://github.com/torvalds/linux/commit/276bdb82dedb290511467a5a4fdbe9f0b52dce6f', 'name': 'https://github.com/torvalds/linux/commit/276bdb82dedb290511467a5a4fdbe9f0b52dce6f', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.4', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.4', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0744.html', 'name': 'RHSA-2013:0744', 'refsource': 'REDHAT', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'NVD-CWE-Other'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.5.3', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'net/dccp/ccid.h in the Linux kernel before 3.5.4 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability for a certain (1) sender or (2) receiver getsockopt call.'}] | 2013-06-05T03:42Z | 2013-03-22T11:59Z | Other | NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset. | Insufficient Information | https://nvd.nist.gov/vuln/categories | 0 | Mathias Krause | 2012-08-15 11:31:54+00:00 | dccp: check ccid before dereferencing
ccid_hc_rx_getsockopt() and ccid_hc_tx_getsockopt() might be called with
a NULL ccid pointer leading to a NULL pointer dereference. This could
lead to a privilege escalation if the attacker is able to map page 0 and
prepare it with a fake ccid_ops pointer.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Gerrit Renker <[email protected]>
Cc: [email protected]
Signed-off-by: David S. Miller <[email protected]> | 276bdb82dedb290511467a5a4fdbe9f0b52dce6f | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | ccid_hc_tx_getsockopt | ccid_hc_tx_getsockopt( struct ccid * ccid , struct sock * sk , const int optname , int len , u32 __user * optval , int __user * optlen) | ['ccid', 'sk', 'optname', 'len', 'optval', 'optlen'] | static inline int ccid_hc_tx_getsockopt(struct ccid *ccid, struct sock *sk,
const int optname, int len,
u32 __user *optval, int __user *optlen)
{
int rc = -ENOPROTOOPT;
if (ccid->ccid_ops->ccid_hc_tx_getsockopt != NULL)
rc = ccid->ccid_ops->ccid_hc_tx_getsockopt(sk, optname, len,
optval, optlen);
return rc;
} | 69 | True | 1 |
|
CVE-2012-3520 | False | False | False | False | AV:L/AC:M/Au:N/C:N/I:P/A:N | LOCAL | MEDIUM | NONE | NONE | PARTIAL | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=850449', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=850449', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/08/22/1', 'name': '[oss-security] 20120822 CVE-2012-3520 kernel: af_netlink: invalid handling of SCM_CREDENTIALS passing', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'name': 'https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'refsource': 'CONFIRM', 'tags': ['Exploit']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html', 'name': 'openSUSE-SU-2012:1330', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1610-1', 'name': 'USN-1610-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1599-1', 'name': 'USN-1599-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.securityfocus.com/bid/55152', 'name': '55152', 'refsource': 'BID', 'tags': []}, {'url': 'http://secunia.com/advisories/50848', 'name': '50848', 'refsource': 'SECUNIA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-02/msg00018.html', 'name': 'openSUSE-SU-2013:0261', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html', 'name': 'http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html', 'refsource': 'CONFIRM', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-287'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.2.29', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.33.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.4.33.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.13.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.23.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.33.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.23:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.'}] | 2016-10-12T01:59Z | 2012-10-03T11:02Z | Improper Authentication | When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct. | https://cwe.mitre.org/data/definitions/287.html | 0 | Eric Dumazet | 2012-08-21 06:21:17+00:00 | af_netlink: force credentials passing [CVE-2012-3520]
Pablo Neira Ayuso discovered that avahi and
potentially NetworkManager accept spoofed Netlink messages because of a
kernel bug. The kernel passes all-zero SCM_CREDENTIALS ancillary data
to the receiver if the sender did not provide such data, instead of not
including any such data at all or including the correct data from the
peer (as it is the case with AF_UNIX).
This bug was introduced in commit 16e572626961
(af_unix: dont send SCM_CREDENTIALS by default)
This patch forces passing credentials for netlink, as
before the regression.
Another fix would be to not add SCM_CREDENTIALS in
netlink messages if not provided by the sender, but it
might break some programs.
With help from Florian Weimer & Petr Matousek
This issue is designated as CVE-2012-3520
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Petr Matousek <[email protected]>
Cc: Florian Weimer <[email protected]>
Cc: Pablo Neira Ayuso <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | scm_send | scm_send( struct socket * sock , struct msghdr * msg , struct scm_cookie * scm) | ['sock', 'msg', 'scm'] | static __inline__ int scm_send(struct socket *sock, struct msghdr *msg,
struct scm_cookie *scm)
{
memset(scm, 0, sizeof(*scm));
unix_get_peersec_dgram(sock, scm);
if (msg->msg_controllen <= 0)
return 0;
return __scm_send(sock, msg, scm);
} | 60 | True | 1 |
||
CVE-2012-3520 | False | False | False | False | AV:L/AC:M/Au:N/C:N/I:P/A:N | LOCAL | MEDIUM | NONE | NONE | PARTIAL | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=850449', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=850449', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/08/22/1', 'name': '[oss-security] 20120822 CVE-2012-3520 kernel: af_netlink: invalid handling of SCM_CREDENTIALS passing', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'name': 'https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'refsource': 'CONFIRM', 'tags': ['Exploit']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html', 'name': 'openSUSE-SU-2012:1330', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1610-1', 'name': 'USN-1610-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1599-1', 'name': 'USN-1599-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.securityfocus.com/bid/55152', 'name': '55152', 'refsource': 'BID', 'tags': []}, {'url': 'http://secunia.com/advisories/50848', 'name': '50848', 'refsource': 'SECUNIA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-02/msg00018.html', 'name': 'openSUSE-SU-2013:0261', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html', 'name': 'http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html', 'refsource': 'CONFIRM', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-287'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.2.29', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.33.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.4.33.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.13.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.23.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.33.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.23:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.'}] | 2016-10-12T01:59Z | 2012-10-03T11:02Z | Improper Authentication | When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct. | https://cwe.mitre.org/data/definitions/287.html | 0 | Eric Dumazet | 2012-08-21 06:21:17+00:00 | af_netlink: force credentials passing [CVE-2012-3520]
Pablo Neira Ayuso discovered that avahi and
potentially NetworkManager accept spoofed Netlink messages because of a
kernel bug. The kernel passes all-zero SCM_CREDENTIALS ancillary data
to the receiver if the sender did not provide such data, instead of not
including any such data at all or including the correct data from the
peer (as it is the case with AF_UNIX).
This bug was introduced in commit 16e572626961
(af_unix: dont send SCM_CREDENTIALS by default)
This patch forces passing credentials for netlink, as
before the regression.
Another fix would be to not add SCM_CREDENTIALS in
netlink messages if not provided by the sender, but it
might break some programs.
With help from Florian Weimer & Petr Matousek
This issue is designated as CVE-2012-3520
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Petr Matousek <[email protected]>
Cc: Florian Weimer <[email protected]>
Cc: Pablo Neira Ayuso <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | netlink_sendmsg | netlink_sendmsg( struct kiocb * kiocb , struct socket * sock , struct msghdr * msg , size_t len) | ['kiocb', 'sock', 'msg', 'len'] | static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock,
struct msghdr *msg, size_t len)
{
struct sock_iocb *siocb = kiocb_to_siocb(kiocb);
struct sock *sk = sock->sk;
struct netlink_sock *nlk = nlk_sk(sk);
struct sockaddr_nl *addr = msg->msg_name;
u32 dst_pid;
u32 dst_group;
struct sk_buff *skb;
int err;
struct scm_cookie scm;
if (msg->msg_flags&MSG_OOB)
return -EOPNOTSUPP;
if (NULL == siocb->scm)
siocb->scm = &scm;
err = scm_send(sock, msg, siocb->scm);
if (err < 0)
return err;
if (msg->msg_namelen) {
err = -EINVAL;
if (addr->nl_family != AF_NETLINK)
goto out;
dst_pid = addr->nl_pid;
dst_group = ffs(addr->nl_groups);
err = -EPERM;
if (dst_group && !netlink_capable(sock, NL_NONROOT_SEND))
goto out;
} else {
dst_pid = nlk->dst_pid;
dst_group = nlk->dst_group;
}
if (!nlk->pid) {
err = netlink_autobind(sock);
if (err)
goto out;
}
err = -EMSGSIZE;
if (len > sk->sk_sndbuf - 32)
goto out;
err = -ENOBUFS;
skb = alloc_skb(len, GFP_KERNEL);
if (skb == NULL)
goto out;
NETLINK_CB(skb).pid = nlk->pid;
NETLINK_CB(skb).dst_group = dst_group;
memcpy(NETLINK_CREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
err = -EFAULT;
if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) {
kfree_skb(skb);
goto out;
}
err = security_netlink_send(sk, skb);
if (err) {
kfree_skb(skb);
goto out;
}
if (dst_group) {
atomic_inc(&skb->users);
netlink_broadcast(sk, skb, dst_pid, dst_group, GFP_KERNEL);
}
err = netlink_unicast(sk, skb, dst_pid, msg->msg_flags&MSG_DONTWAIT);
out:
scm_destroy(siocb->scm);
return err;
} | 418 | True | 1 |
||
CVE-2012-3520 | False | False | False | False | AV:L/AC:M/Au:N/C:N/I:P/A:N | LOCAL | MEDIUM | NONE | NONE | PARTIAL | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=850449', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=850449', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/08/22/1', 'name': '[oss-security] 20120822 CVE-2012-3520 kernel: af_netlink: invalid handling of SCM_CREDENTIALS passing', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'name': 'https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'refsource': 'CONFIRM', 'tags': ['Exploit']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html', 'name': 'openSUSE-SU-2012:1330', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1610-1', 'name': 'USN-1610-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1599-1', 'name': 'USN-1599-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.securityfocus.com/bid/55152', 'name': '55152', 'refsource': 'BID', 'tags': []}, {'url': 'http://secunia.com/advisories/50848', 'name': '50848', 'refsource': 'SECUNIA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-02/msg00018.html', 'name': 'openSUSE-SU-2013:0261', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html', 'name': 'http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html', 'refsource': 'CONFIRM', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-287'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.2.29', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.33.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.4.33.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.13.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.23.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.33.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.23:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.'}] | 2016-10-12T01:59Z | 2012-10-03T11:02Z | Improper Authentication | When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct. | https://cwe.mitre.org/data/definitions/287.html | 0 | Eric Dumazet | 2012-08-21 06:21:17+00:00 | af_netlink: force credentials passing [CVE-2012-3520]
Pablo Neira Ayuso discovered that avahi and
potentially NetworkManager accept spoofed Netlink messages because of a
kernel bug. The kernel passes all-zero SCM_CREDENTIALS ancillary data
to the receiver if the sender did not provide such data, instead of not
including any such data at all or including the correct data from the
peer (as it is the case with AF_UNIX).
This bug was introduced in commit 16e572626961
(af_unix: dont send SCM_CREDENTIALS by default)
This patch forces passing credentials for netlink, as
before the regression.
Another fix would be to not add SCM_CREDENTIALS in
netlink messages if not provided by the sender, but it
might break some programs.
With help from Florian Weimer & Petr Matousek
This issue is designated as CVE-2012-3520
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Petr Matousek <[email protected]>
Cc: Florian Weimer <[email protected]>
Cc: Pablo Neira Ayuso <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | unix_dgram_sendmsg | unix_dgram_sendmsg( struct kiocb * kiocb , struct socket * sock , struct msghdr * msg , size_t len) | ['kiocb', 'sock', 'msg', 'len'] | static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
struct msghdr *msg, size_t len)
{
struct sock_iocb *siocb = kiocb_to_siocb(kiocb);
struct sock *sk = sock->sk;
struct net *net = sock_net(sk);
struct unix_sock *u = unix_sk(sk);
struct sockaddr_un *sunaddr = msg->msg_name;
struct sock *other = NULL;
int namelen = 0; /* fake GCC */
int err;
unsigned int hash;
struct sk_buff *skb;
long timeo;
struct scm_cookie tmp_scm;
int max_level;
int data_len = 0;
if (NULL == siocb->scm)
siocb->scm = &tmp_scm;
wait_for_unix_gc();
err = scm_send(sock, msg, siocb->scm);
if (err < 0)
return err;
err = -EOPNOTSUPP;
if (msg->msg_flags&MSG_OOB)
goto out;
if (msg->msg_namelen) {
err = unix_mkname(sunaddr, msg->msg_namelen, &hash);
if (err < 0)
goto out;
namelen = err;
} else {
sunaddr = NULL;
err = -ENOTCONN;
other = unix_peer_get(sk);
if (!other)
goto out;
}
if (test_bit(SOCK_PASSCRED, &sock->flags) && !u->addr
&& (err = unix_autobind(sock)) != 0)
goto out;
err = -EMSGSIZE;
if (len > sk->sk_sndbuf - 32)
goto out;
if (len > SKB_MAX_ALLOC)
data_len = min_t(size_t,
len - SKB_MAX_ALLOC,
MAX_SKB_FRAGS * PAGE_SIZE);
skb = sock_alloc_send_pskb(sk, len - data_len, data_len,
msg->msg_flags & MSG_DONTWAIT, &err);
if (skb == NULL)
goto out;
err = unix_scm_to_skb(siocb->scm, skb, true);
if (err < 0)
goto out_free;
max_level = err + 1;
unix_get_secdata(siocb->scm, skb);
skb_put(skb, len - data_len);
skb->data_len = data_len;
skb->len = len;
err = skb_copy_datagram_from_iovec(skb, 0, msg->msg_iov, 0, len);
if (err)
goto out_free;
timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT);
restart:
if (!other) {
err = -ECONNRESET;
if (sunaddr == NULL)
goto out_free;
other = unix_find_other(net, sunaddr, namelen, sk->sk_type,
hash, &err);
if (other == NULL)
goto out_free;
}
if (sk_filter(other, skb) < 0) {
/* Toss the packet but do not return any error to the sender */
err = len;
goto out_free;
}
unix_state_lock(other);
err = -EPERM;
if (!unix_may_send(sk, other))
goto out_unlock;
if (sock_flag(other, SOCK_DEAD)) {
/*
* Check with 1003.1g - what should
* datagram error
*/
unix_state_unlock(other);
sock_put(other);
err = 0;
unix_state_lock(sk);
if (unix_peer(sk) == other) {
unix_peer(sk) = NULL;
unix_state_unlock(sk);
unix_dgram_disconnected(sk, other);
sock_put(other);
err = -ECONNREFUSED;
} else {
unix_state_unlock(sk);
}
other = NULL;
if (err)
goto out_free;
goto restart;
}
err = -EPIPE;
if (other->sk_shutdown & RCV_SHUTDOWN)
goto out_unlock;
if (sk->sk_type != SOCK_SEQPACKET) {
err = security_unix_may_send(sk->sk_socket, other->sk_socket);
if (err)
goto out_unlock;
}
if (unix_peer(other) != sk && unix_recvq_full(other)) {
if (!timeo) {
err = -EAGAIN;
goto out_unlock;
}
timeo = unix_wait_for_peer(other, timeo);
err = sock_intr_errno(timeo);
if (signal_pending(current))
goto out_free;
goto restart;
}
if (sock_flag(other, SOCK_RCVTSTAMP))
__net_timestamp(skb);
maybe_add_creds(skb, sock, other);
skb_queue_tail(&other->sk_receive_queue, skb);
if (max_level > unix_sk(other)->recursion_level)
unix_sk(other)->recursion_level = max_level;
unix_state_unlock(other);
other->sk_data_ready(other, len);
sock_put(other);
scm_destroy(siocb->scm);
return len;
out_unlock:
unix_state_unlock(other);
out_free:
kfree_skb(skb);
out:
if (other)
sock_put(other);
scm_destroy(siocb->scm);
return err;
} | 834 | True | 1 |
||
CVE-2012-3520 | False | False | False | False | AV:L/AC:M/Au:N/C:N/I:P/A:N | LOCAL | MEDIUM | NONE | NONE | PARTIAL | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=850449', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=850449', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/08/22/1', 'name': '[oss-security] 20120822 CVE-2012-3520 kernel: af_netlink: invalid handling of SCM_CREDENTIALS passing', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'name': 'https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea', 'refsource': 'CONFIRM', 'tags': ['Exploit']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html', 'name': 'openSUSE-SU-2012:1330', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1610-1', 'name': 'USN-1610-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1599-1', 'name': 'USN-1599-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.securityfocus.com/bid/55152', 'name': '55152', 'refsource': 'BID', 'tags': []}, {'url': 'http://secunia.com/advisories/50848', 'name': '50848', 'refsource': 'SECUNIA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-02/msg00018.html', 'name': 'openSUSE-SU-2013:0261', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html', 'name': 'http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html', 'refsource': 'CONFIRM', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-287'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.2.29', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.33.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.4.33.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.13.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.23.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.6.33.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:2.3.23:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.'}] | 2016-10-12T01:59Z | 2012-10-03T11:02Z | Improper Authentication | When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct. | https://cwe.mitre.org/data/definitions/287.html | 0 | Eric Dumazet | 2012-08-21 06:21:17+00:00 | af_netlink: force credentials passing [CVE-2012-3520]
Pablo Neira Ayuso discovered that avahi and
potentially NetworkManager accept spoofed Netlink messages because of a
kernel bug. The kernel passes all-zero SCM_CREDENTIALS ancillary data
to the receiver if the sender did not provide such data, instead of not
including any such data at all or including the correct data from the
peer (as it is the case with AF_UNIX).
This bug was introduced in commit 16e572626961
(af_unix: dont send SCM_CREDENTIALS by default)
This patch forces passing credentials for netlink, as
before the regression.
Another fix would be to not add SCM_CREDENTIALS in
netlink messages if not provided by the sender, but it
might break some programs.
With help from Florian Weimer & Petr Matousek
This issue is designated as CVE-2012-3520
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Petr Matousek <[email protected]>
Cc: Florian Weimer <[email protected]>
Cc: Pablo Neira Ayuso <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | unix_stream_sendmsg | unix_stream_sendmsg( struct kiocb * kiocb , struct socket * sock , struct msghdr * msg , size_t len) | ['kiocb', 'sock', 'msg', 'len'] | static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
struct msghdr *msg, size_t len)
{
struct sock_iocb *siocb = kiocb_to_siocb(kiocb);
struct sock *sk = sock->sk;
struct sock *other = NULL;
int err, size;
struct sk_buff *skb;
int sent = 0;
struct scm_cookie tmp_scm;
bool fds_sent = false;
int max_level;
if (NULL == siocb->scm)
siocb->scm = &tmp_scm;
wait_for_unix_gc();
err = scm_send(sock, msg, siocb->scm);
if (err < 0)
return err;
err = -EOPNOTSUPP;
if (msg->msg_flags&MSG_OOB)
goto out_err;
if (msg->msg_namelen) {
err = sk->sk_state == TCP_ESTABLISHED ? -EISCONN : -EOPNOTSUPP;
goto out_err;
} else {
err = -ENOTCONN;
other = unix_peer(sk);
if (!other)
goto out_err;
}
if (sk->sk_shutdown & SEND_SHUTDOWN)
goto pipe_err;
while (sent < len) {
/*
* Optimisation for the fact that under 0.01% of X
* messages typically need breaking up.
*/
size = len-sent;
/* Keep two messages in the pipe so it schedules better */
if (size > ((sk->sk_sndbuf >> 1) - 64))
size = (sk->sk_sndbuf >> 1) - 64;
if (size > SKB_MAX_ALLOC)
size = SKB_MAX_ALLOC;
/*
* Grab a buffer
*/
skb = sock_alloc_send_skb(sk, size, msg->msg_flags&MSG_DONTWAIT,
&err);
if (skb == NULL)
goto out_err;
/*
* If you pass two values to the sock_alloc_send_skb
* it tries to grab the large buffer with GFP_NOFS
* (which can fail easily), and if it fails grab the
* fallback size buffer which is under a page and will
* succeed. [Alan]
*/
size = min_t(int, size, skb_tailroom(skb));
/* Only send the fds in the first buffer */
err = unix_scm_to_skb(siocb->scm, skb, !fds_sent);
if (err < 0) {
kfree_skb(skb);
goto out_err;
}
max_level = err + 1;
fds_sent = true;
err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size);
if (err) {
kfree_skb(skb);
goto out_err;
}
unix_state_lock(other);
if (sock_flag(other, SOCK_DEAD) ||
(other->sk_shutdown & RCV_SHUTDOWN))
goto pipe_err_free;
maybe_add_creds(skb, sock, other);
skb_queue_tail(&other->sk_receive_queue, skb);
if (max_level > unix_sk(other)->recursion_level)
unix_sk(other)->recursion_level = max_level;
unix_state_unlock(other);
other->sk_data_ready(other, size);
sent += size;
}
scm_destroy(siocb->scm);
siocb->scm = NULL;
return sent;
pipe_err_free:
unix_state_unlock(other);
kfree_skb(skb);
pipe_err:
if (sent == 0 && !(msg->msg_flags&MSG_NOSIGNAL))
send_sig(SIGPIPE, current, 0);
err = -EPIPE;
out_err:
scm_destroy(siocb->scm);
siocb->scm = NULL;
return sent ? : err;
} | 520 | True | 1 |
||
CVE-2012-6689 | False | False | False | False | AV:L/AC:L/Au:N/C:C/I:C/A:C | LOCAL | LOW | NONE | COMPLETE | COMPLETE | COMPLETE | 7.2 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | LOCAL | LOW | LOW | NONE | UNCHANGED | HIGH | HIGH | HIGH | 7.8 | HIGH | 1.8 | 5.9 | nan | [{'url': 'http://marc.info/?l=linux-netdev&m=134522422925986&w=2', 'name': '[linux-kernel] 20120817 [PATCH 2/2] [RFC] netlink: fix possible spoofing from non-root processes', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2015/02/22/10', 'name': '[oss-security] 20150222 Re: libmnl: incorrect validation of netlink message origin allows attackers to spoof netlink messages', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/20e1db19db5d6b9e4e83021595eab0dc8f107bef', 'name': 'https://github.com/torvalds/linux/commit/20e1db19db5d6b9e4e83021595eab0dc8f107bef', 'refsource': 'CONFIRM', 'tags': ['Vendor Advisory']}, {'url': 'http://marc.info/?l=linux-netdev&m=134522422125983&w=2', 'name': '[linux-kernel] 20120817 [PATCH 0/2] netlink patches', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=20e1db19db5d6b9e4e83021595eab0dc8f107bef', 'name': 'http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=20e1db19db5d6b9e4e83021595eab0dc8f107bef', 'refsource': 'CONFIRM', 'tags': ['Vendor Advisory']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=848949', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=848949', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.securityfocus.com/bid/72739', 'name': '72739', 'refsource': 'BID', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-284'}]}] | HIGH | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.5.4', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The netlink_sendmsg function in net/netlink/af_netlink.c in the Linux kernel before 3.5.5 does not validate the dst_pid field, which allows local users to have an unspecified impact by spoofing Netlink messages.'}] | 2016-11-28T19:08Z | 2016-05-02T10:59Z | Improper Access Control | The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor. |
Access control involves the use of several protection mechanisms such as:
Authentication (proving the identity of an actor)
Authorization (ensuring that a given actor can access a resource), and
Accountability (tracking of activities that were performed)
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the software by gaining privileges, reading sensitive information, executing commands, evading detection, etc.
There are two distinct behaviors that can introduce access control weaknesses:
Specification: incorrect privileges, permissions, ownership, etc. are explicitly specified for either the user or the resource (for example, setting a password file to be world-writable, or giving administrator capabilities to a guest user). This action could be performed by the program or the administrator.
Enforcement: the mechanism contains errors that prevent it from properly enforcing the specified access control requirements (e.g., allowing the user to specify their own privileges, or allowing a syntactically-incorrect ACL to produce insecure settings). This problem occurs within the program itself, in that it does not actually enforce the intended security policy that the administrator specifies.
| https://cwe.mitre.org/data/definitions/284.html | 0 | Pablo Neira Ayuso | 2012-08-23 02:09:11+00:00 | netlink: fix possible spoofing from non-root processes
Non-root user-space processes can send Netlink messages to other
processes that are well-known for being subscribed to Netlink
asynchronous notifications. This allows ilegitimate non-root
process to send forged messages to Netlink subscribers.
The userspace process usually verifies the legitimate origin in
two ways:
a) Socket credentials. If UID != 0, then the message comes from
some ilegitimate process and the message needs to be dropped.
b) Netlink portID. In general, portID == 0 means that the origin
of the messages comes from the kernel. Thus, discarding any
message not coming from the kernel.
However, ctnetlink sets the portID in event messages that has
been triggered by some user-space process, eg. conntrack utility.
So other processes subscribed to ctnetlink events, eg. conntrackd,
know that the event was triggered by some user-space action.
Neither of the two ways to discard ilegitimate messages coming
from non-root processes can help for ctnetlink.
This patch adds capability validation in case that dst_pid is set
in netlink_sendmsg(). This approach is aggressive since existing
applications using any Netlink bus to deliver messages between
two user-space processes will break. Note that the exception is
NETLINK_USERSOCK, since it is reserved for netlink-to-netlink
userspace communication.
Still, if anyone wants that his Netlink bus allows netlink-to-netlink
userspace, then they can set NL_NONROOT_SEND. However, by default,
I don't think it makes sense to allow to use NETLINK_ROUTE to
communicate two processes that are sending no matter what information
that is not related to link/neighbouring/routing. They should be using
NETLINK_USERSOCK instead for that.
Signed-off-by: Pablo Neira Ayuso <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 20e1db19db5d6b9e4e83021595eab0dc8f107bef | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | netlink_sendmsg | netlink_sendmsg( struct kiocb * kiocb , struct socket * sock , struct msghdr * msg , size_t len) | ['kiocb', 'sock', 'msg', 'len'] | static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock,
struct msghdr *msg, size_t len)
{
struct sock_iocb *siocb = kiocb_to_siocb(kiocb);
struct sock *sk = sock->sk;
struct netlink_sock *nlk = nlk_sk(sk);
struct sockaddr_nl *addr = msg->msg_name;
u32 dst_pid;
u32 dst_group;
struct sk_buff *skb;
int err;
struct scm_cookie scm;
if (msg->msg_flags&MSG_OOB)
return -EOPNOTSUPP;
if (NULL == siocb->scm)
siocb->scm = &scm;
err = scm_send(sock, msg, siocb->scm, true);
if (err < 0)
return err;
if (msg->msg_namelen) {
err = -EINVAL;
if (addr->nl_family != AF_NETLINK)
goto out;
dst_pid = addr->nl_pid;
dst_group = ffs(addr->nl_groups);
err = -EPERM;
if (dst_group && !netlink_capable(sock, NL_NONROOT_SEND))
goto out;
} else {
dst_pid = nlk->dst_pid;
dst_group = nlk->dst_group;
}
if (!nlk->pid) {
err = netlink_autobind(sock);
if (err)
goto out;
}
err = -EMSGSIZE;
if (len > sk->sk_sndbuf - 32)
goto out;
err = -ENOBUFS;
skb = alloc_skb(len, GFP_KERNEL);
if (skb == NULL)
goto out;
NETLINK_CB(skb).pid = nlk->pid;
NETLINK_CB(skb).dst_group = dst_group;
memcpy(NETLINK_CREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
err = -EFAULT;
if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) {
kfree_skb(skb);
goto out;
}
err = security_netlink_send(sk, skb);
if (err) {
kfree_skb(skb);
goto out;
}
if (dst_group) {
atomic_inc(&skb->users);
netlink_broadcast(sk, skb, dst_pid, dst_group, GFP_KERNEL);
}
err = netlink_unicast(sk, skb, dst_pid, msg->msg_flags&MSG_DONTWAIT);
out:
scm_destroy(siocb->scm);
return err;
} | 420 | True | 1 |
|
CVE-2012-4467 | False | False | False | False | AV:L/AC:L/Au:N/C:C/I:N/A:C | LOCAL | LOW | NONE | COMPLETE | NONE | COMPLETE | 6.6 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/10/04/2', 'name': '[oss-security] 20121003 Re: CVE Request -- kernel: compat: SIOCGSTAMP/SIOCGSTAMPNS incorrect order of arguments to compat_put_time[val|spec]', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d', 'name': 'https://github.com/torvalds/linux/commit/ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d', 'refsource': 'CONFIRM', 'tags': ['Exploit']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.4', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.4', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.securityfocus.com/bid/55785', 'name': '55785', 'refsource': 'BID', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-399'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.35:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.36:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.38:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.42:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.34:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.5.3', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.40:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The (1) do_siocgstamp and (2) do_siocgstampns functions in net/socket.c in the Linux kernel before 3.5.4 use an incorrect argument order, which allows local users to obtain sensitive information from kernel memory or cause a denial of service (system crash) via a crafted ioctl call.'}] | 2013-01-30T04:54Z | 2012-10-10T21:55Z | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | 1 | Mikulas Patocka | 2012-09-01 12:34:07-04:00 | Fix order of arguments to compat_put_time[spec|val]
Commit 644595f89620 ("compat: Handle COMPAT_USE_64BIT_TIME in
net/socket.c") introduced a bug where the helper functions to take
either a 64-bit or compat time[spec|val] got the arguments in the wrong
order, passing the kernel stack pointer off as a user pointer (and vice
versa).
Because of the user address range check, that in turn then causes an
EFAULT due to the user pointer range checking failing for the kernel
address. Incorrectly resuling in a failed system call for 32-bit
processes with a 64-bit kernel.
On odder architectures like HP-PA (with separate user/kernel address
spaces), it can be used read kernel memory.
Signed-off-by: Mikulas Patocka <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]> | ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | do_siocgstamp | do_siocgstamp( struct net * net , struct socket * sock , unsigned int cmd , void __user * up) | ['net', 'sock', 'cmd', 'up'] | static int do_siocgstamp(struct net *net, struct socket *sock,
unsigned int cmd, void __user *up)
{
mm_segment_t old_fs = get_fs();
struct timeval ktv;
int err;
set_fs(KERNEL_DS);
err = sock_do_ioctl(net, sock, cmd, (unsigned long)&ktv);
set_fs(old_fs);
if (!err)
err = compat_put_timeval(up, &ktv);
return err;
} | 83 | True | 1 |
||
CVE-2012-4467 | False | False | False | False | AV:L/AC:L/Au:N/C:C/I:N/A:C | LOCAL | LOW | NONE | COMPLETE | NONE | COMPLETE | 6.6 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/10/04/2', 'name': '[oss-security] 20121003 Re: CVE Request -- kernel: compat: SIOCGSTAMP/SIOCGSTAMPNS incorrect order of arguments to compat_put_time[val|spec]', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d', 'name': 'https://github.com/torvalds/linux/commit/ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d', 'refsource': 'CONFIRM', 'tags': ['Exploit']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.4', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.4', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.securityfocus.com/bid/55785', 'name': '55785', 'refsource': 'BID', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-399'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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https://cwe.mitre.org/data/definitions/399.html | 1 | Mikulas Patocka | 2012-09-01 12:34:07-04:00 | Fix order of arguments to compat_put_time[spec|val]
Commit 644595f89620 ("compat: Handle COMPAT_USE_64BIT_TIME in
net/socket.c") introduced a bug where the helper functions to take
either a 64-bit or compat time[spec|val] got the arguments in the wrong
order, passing the kernel stack pointer off as a user pointer (and vice
versa).
Because of the user address range check, that in turn then causes an
EFAULT due to the user pointer range checking failing for the kernel
address. Incorrectly resuling in a failed system call for 32-bit
processes with a 64-bit kernel.
On odder architectures like HP-PA (with separate user/kernel address
spaces), it can be used read kernel memory.
Signed-off-by: Mikulas Patocka <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]> | ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | do_siocgstampns | do_siocgstampns( struct net * net , struct socket * sock , unsigned int cmd , void __user * up) | ['net', 'sock', 'cmd', 'up'] | static int do_siocgstampns(struct net *net, struct socket *sock,
unsigned int cmd, void __user *up)
{
mm_segment_t old_fs = get_fs();
struct timespec kts;
int err;
set_fs(KERNEL_DS);
err = sock_do_ioctl(net, sock, cmd, (unsigned long)&kts);
set_fs(old_fs);
if (!err)
err = compat_put_timespec(up, &kts);
return err;
} | 83 | True | 1 |
||
CVE-2013-4592 | False | False | False | False | AV:L/AC:H/Au:N/C:N/I:N/A:C | LOCAL | HIGH | NONE | NONE | NONE | COMPLETE | 4.0 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=12d6e7538e2d418c08f082b1b44ffa5fb7270ed8', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=12d6e7538e2d418c08f082b1b44ffa5fb7270ed8', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.9.bz2', 'name': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.9.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=1031702', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=1031702', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/11/18/3', 'name': '[oss-security] 20131118 CVE-2013-4592 -- Linux kernel: kvm: memory leak when memory slot is moved with assigned device', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/e40f193f5bb022e927a57a4f5d5194e4f12ddb74', 'name': 'https://github.com/torvalds/linux/commit/e40f193f5bb022e927a57a4f5d5194e4f12ddb74', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'https://github.com/torvalds/linux/commit/12d6e7538e2d418c08f082b1b44ffa5fb7270ed8', 'name': 'https://github.com/torvalds/linux/commit/12d6e7538e2d418c08f082b1b44ffa5fb7270ed8', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e40f193f5bb022e927a57a4f5d5194e4f12ddb74', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e40f193f5bb022e927a57a4f5d5194e4f12ddb74', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-1645.html', 'name': 'RHSA-2013:1645', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2066-1', 'name': 'USN-2066-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2067-1', 'name': 'USN-2067-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2114-1', 'name': 'USN-2114-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2014-02/msg00045.html', 'name': 'openSUSE-SU-2014:0247', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2111-1', 'name': 'USN-2111-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2116-1', 'name': 'USN-2116-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2112-1', 'name': 'USN-2112-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2115-1', 'name': 'USN-2115-1', 'refsource': 'UBUNTU', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-399'}]}] | MEDIUM | [{'operator': 'OR', 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.9:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.60:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.44:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.45:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.59:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.66:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.9:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.32:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.9:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.9:rc6:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Memory leak in the __kvm_set_memory_region function in virt/kvm/kvm_main.c in the Linux kernel before 3.9 allows local users to cause a denial of service (memory consumption) by leveraging certain device access to trigger movement of memory slots.'}] | 2014-03-06T04:47Z | 2013-11-20T13:19Z | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | 1 | Marcelo Tosatti | 2012-08-24 15:54:58-03:00 | KVM: perform an invalid memslot step for gpa base change
PPC must flush all translations before the new memory slot
is visible.
Signed-off-by: Marcelo Tosatti <[email protected]>
Signed-off-by: Avi Kivity <[email protected]> | 12d6e7538e2d418c08f082b1b44ffa5fb7270ed8 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | __kvm_set_memory_region | __kvm_set_memory_region( struct kvm * kvm , struct kvm_userspace_memory_region * mem , int user_alloc) | ['kvm', 'mem', 'user_alloc'] | int __kvm_set_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
int user_alloc)
{
int r;
gfn_t base_gfn;
unsigned long npages;
unsigned long i;
struct kvm_memory_slot *memslot;
struct kvm_memory_slot old, new;
struct kvm_memslots *slots, *old_memslots;
r = check_memory_region_flags(mem);
if (r)
goto out;
r = -EINVAL;
/* General sanity checks */
if (mem->memory_size & (PAGE_SIZE - 1))
goto out;
if (mem->guest_phys_addr & (PAGE_SIZE - 1))
goto out;
/* We can read the guest memory with __xxx_user() later on. */
if (user_alloc &&
((mem->userspace_addr & (PAGE_SIZE - 1)) ||
!access_ok(VERIFY_WRITE,
(void __user *)(unsigned long)mem->userspace_addr,
mem->memory_size)))
goto out;
if (mem->slot >= KVM_MEM_SLOTS_NUM)
goto out;
if (mem->guest_phys_addr + mem->memory_size < mem->guest_phys_addr)
goto out;
memslot = id_to_memslot(kvm->memslots, mem->slot);
base_gfn = mem->guest_phys_addr >> PAGE_SHIFT;
npages = mem->memory_size >> PAGE_SHIFT;
r = -EINVAL;
if (npages > KVM_MEM_MAX_NR_PAGES)
goto out;
if (!npages)
mem->flags &= ~KVM_MEM_LOG_DIRTY_PAGES;
new = old = *memslot;
new.id = mem->slot;
new.base_gfn = base_gfn;
new.npages = npages;
new.flags = mem->flags;
/* Disallow changing a memory slot's size. */
r = -EINVAL;
if (npages && old.npages && npages != old.npages)
goto out_free;
/* Check for overlaps */
r = -EEXIST;
for (i = 0; i < KVM_MEMORY_SLOTS; ++i) {
struct kvm_memory_slot *s = &kvm->memslots->memslots[i];
if (s == memslot || !s->npages)
continue;
if (!((base_gfn + npages <= s->base_gfn) ||
(base_gfn >= s->base_gfn + s->npages)))
goto out_free;
}
/* Free page dirty bitmap if unneeded */
if (!(new.flags & KVM_MEM_LOG_DIRTY_PAGES))
new.dirty_bitmap = NULL;
r = -ENOMEM;
/* Allocate if a slot is being created */
if (npages && !old.npages) {
new.user_alloc = user_alloc;
new.userspace_addr = mem->userspace_addr;
if (kvm_arch_create_memslot(&new, npages))
goto out_free;
}
/* Allocate page dirty bitmap if needed */
if ((new.flags & KVM_MEM_LOG_DIRTY_PAGES) && !new.dirty_bitmap) {
if (kvm_create_dirty_bitmap(&new) < 0)
goto out_free;
/* destroy any largepage mappings for dirty tracking */
}
if (!npages) {
struct kvm_memory_slot *slot;
r = -ENOMEM;
slots = kmemdup(kvm->memslots, sizeof(struct kvm_memslots),
GFP_KERNEL);
if (!slots)
goto out_free;
slot = id_to_memslot(slots, mem->slot);
slot->flags |= KVM_MEMSLOT_INVALID;
update_memslots(slots, NULL);
old_memslots = kvm->memslots;
rcu_assign_pointer(kvm->memslots, slots);
synchronize_srcu_expedited(&kvm->srcu);
/* From this point no new shadow pages pointing to a deleted
* memslot will be created.
*
* validation of sp->gfn happens in:
* - gfn_to_hva (kvm_read_guest, gfn_to_pfn)
* - kvm_is_visible_gfn (mmu_check_roots)
*/
kvm_arch_flush_shadow_memslot(kvm, slot);
kfree(old_memslots);
}
r = kvm_arch_prepare_memory_region(kvm, &new, old, mem, user_alloc);
if (r)
goto out_free;
/* map/unmap the pages in iommu page table */
if (npages) {
r = kvm_iommu_map_pages(kvm, &new);
if (r)
goto out_free;
} else
kvm_iommu_unmap_pages(kvm, &old);
r = -ENOMEM;
slots = kmemdup(kvm->memslots, sizeof(struct kvm_memslots),
GFP_KERNEL);
if (!slots)
goto out_free;
/* actual memory is freed via old in kvm_free_physmem_slot below */
if (!npages) {
new.dirty_bitmap = NULL;
memset(&new.arch, 0, sizeof(new.arch));
}
update_memslots(slots, &new);
old_memslots = kvm->memslots;
rcu_assign_pointer(kvm->memslots, slots);
synchronize_srcu_expedited(&kvm->srcu);
kvm_arch_commit_memory_region(kvm, mem, old, user_alloc);
/*
* If the new memory slot is created, we need to clear all
* mmio sptes.
*/
if (npages && old.base_gfn != mem->guest_phys_addr >> PAGE_SHIFT)
kvm_arch_flush_shadow_all(kvm);
kvm_free_physmem_slot(&old, &new);
kfree(old_memslots);
return 0;
out_free:
kvm_free_physmem_slot(&new, &old);
out:
return r;
} | 763 | True | 1 |
||
CVE-2015-7509 | False | False | False | nan | AV:L/AC:L/Au:N/C:N/I:N/A:C | LOCAL | LOW | NONE | NONE | NONE | COMPLETE | 4.9 | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H | LOCAL | LOW | HIGH | NONE | UNCHANGED | NONE | NONE | HIGH | 4.4 | MEDIUM | 0.8 | 3.6 | nan | [{'url': 'http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9b92530a723ac5ef8e352885a1862b18f31b2f5', 'name': 'http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9b92530a723ac5ef8e352885a1862b18f31b2f5', 'refsource': 'CONFIRM', 'tags': ['Vendor Advisory']}, {'url': 'https://github.com/torvalds/linux/commit/c9b92530a723ac5ef8e352885a1862b18f31b2f5', 'name': 'https://github.com/torvalds/linux/commit/c9b92530a723ac5ef8e352885a1862b18f31b2f5', 'refsource': 'CONFIRM', 'tags': ['Vendor Advisory']}, {'url': 'https://security-tracker.debian.org/tracker/CVE-2015-7509', 'name': 'https://security-tracker.debian.org/tracker/CVE-2015-7509', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.suse.com/show_bug.cgi?id=956709', 'name': 'https://bugzilla.suse.com/show_bug.cgi?id=956709', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=1259222', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=1259222', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2016-0855.html', 'name': 'RHSA-2016:0855', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html', 'name': 'SUSE-SU-2016:2074', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html', 'name': 'SUSE-SU-2015:2350', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.securitytracker.com/id/1034559', 'name': '1034559', 'refsource': 'SECTRACK', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html', 'name': 'SUSE-SU-2015:2339', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-20'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.6.11', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'fs/ext4/namei.c in the Linux kernel before 3.7 allows physically proximate attackers to cause a denial of service (system crash) via a crafted no-journal filesystem, a related issue to CVE-2013-2015.'}] | 2016-12-07T18:24Z | 2015-12-28T11:59Z | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. |
Input validation is a frequently-used technique
for checking potentially dangerous inputs in order to
ensure that the inputs are safe for processing within the
code, or when communicating with other components. When
software does not validate input properly, an attacker is
able to craft the input in a form that is not expected by
the rest of the application. This will lead to parts of the
system receiving unintended input, which may result in
altered control flow, arbitrary control of a resource, or
arbitrary code execution.
Input validation is not the only technique for
processing input, however. Other techniques attempt to
transform potentially-dangerous input into something safe, such
as filtering (CWE-790) - which attempts to remove dangerous
inputs - or encoding/escaping (CWE-116), which attempts to
ensure that the input is not misinterpreted when it is included
in output to another component. Other techniques exist as well
(see CWE-138 for more examples.)
Input validation can be applied to:
raw data - strings, numbers, parameters, file contents, etc.
metadata - information about the raw data, such as headers or size
Data can be simple or structured. Structured data
can be composed of many nested layers, composed of
combinations of metadata and raw data, with other simple or
structured data.
Many properties of raw data or metadata may need
to be validated upon entry into the code, such
as:
specified quantities such as size, length, frequency, price, rate, number of operations, time, etc.
implied or derived quantities, such as the actual size of a file instead of a specified size
indexes, offsets, or positions into more complex data structures
symbolic keys or other elements into hash tables, associative arrays, etc.
well-formedness, i.e. syntactic correctness - compliance with expected syntax
lexical token correctness - compliance with rules for what is treated as a token
specified or derived type - the actual type of the input (or what the input appears to be)
consistency - between individual data elements, between raw data and metadata, between references, etc.
conformance to domain-specific rules, e.g. business logic
equivalence - ensuring that equivalent inputs are treated the same
authenticity, ownership, or other attestations about the input, e.g. a cryptographic signature to prove the source of the data
Implied or derived properties of data must often
be calculated or inferred by the code itself. Errors in
deriving properties may be considered a contributing factor
to improper input validation.
Note that "input validation" has very different
meanings to different people, or within different
classification schemes. Caution must be used when
referencing this CWE entry or mapping to it. For example,
some weaknesses might involve inadvertently giving control
to an attacker over an input when they should not be able
to provide an input at all, but sometimes this is referred
to as input validation.
Finally, it is important to emphasize that the
distinctions between input validation and output escaping
are often blurred, and developers must be careful to
understand the difference, including how input validation
is not always sufficient to prevent vulnerabilities,
especially when less stringent data types must be
supported, such as free-form text. Consider a SQL injection
scenario in which a person's last name is inserted into a
query. The name "O'Reilly" would likely pass the validation
step since it is a common last name in the English
language. However, this valid name cannot be directly
inserted into the database because it contains the "'"
apostrophe character, which would need to be escaped or
otherwise transformed. In this case, removing the
apostrophe might reduce the risk of SQL injection, but it
would produce incorrect behavior because the wrong name
would be recorded.
| https://cwe.mitre.org/data/definitions/20.html | 0 | Anatol Pomozov | 2012-09-18 13:38:59-04:00 | ext4: make orphan functions be no-op in no-journal mode
Instead of checking whether the handle is valid, we check if journal
is enabled. This avoids taking the s_orphan_lock mutex in all cases
when there is no journal in use, including the error paths where
ext4_orphan_del() is called with a handle set to NULL.
Signed-off-by: Anatol Pomozov <[email protected]>
Signed-off-by: "Theodore Ts'o" <[email protected]> | c9b92530a723ac5ef8e352885a1862b18f31b2f5 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | ext4_orphan_add | ext4_orphan_add( handle_t * handle , struct inode * inode) | ['handle', 'inode'] | int ext4_orphan_add(handle_t *handle, struct inode *inode)
{
struct super_block *sb = inode->i_sb;
struct ext4_iloc iloc;
int err = 0, rc;
if (!ext4_handle_valid(handle))
return 0;
mutex_lock(&EXT4_SB(sb)->s_orphan_lock);
if (!list_empty(&EXT4_I(inode)->i_orphan))
goto out_unlock;
/*
* Orphan handling is only valid for files with data blocks
* being truncated, or files being unlinked. Note that we either
* hold i_mutex, or the inode can not be referenced from outside,
* so i_nlink should not be bumped due to race
*/
J_ASSERT((S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
S_ISLNK(inode->i_mode)) || inode->i_nlink == 0);
BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "get_write_access");
err = ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh);
if (err)
goto out_unlock;
err = ext4_reserve_inode_write(handle, inode, &iloc);
if (err)
goto out_unlock;
/*
* Due to previous errors inode may be already a part of on-disk
* orphan list. If so skip on-disk list modification.
*/
if (NEXT_ORPHAN(inode) && NEXT_ORPHAN(inode) <=
(le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count)))
goto mem_insert;
/* Insert this inode at the head of the on-disk orphan list... */
NEXT_ORPHAN(inode) = le32_to_cpu(EXT4_SB(sb)->s_es->s_last_orphan);
EXT4_SB(sb)->s_es->s_last_orphan = cpu_to_le32(inode->i_ino);
err = ext4_handle_dirty_super(handle, sb);
rc = ext4_mark_iloc_dirty(handle, inode, &iloc);
if (!err)
err = rc;
/* Only add to the head of the in-memory list if all the
* previous operations succeeded. If the orphan_add is going to
* fail (possibly taking the journal offline), we can't risk
* leaving the inode on the orphan list: stray orphan-list
* entries can cause panics at unmount time.
*
* This is safe: on error we're going to ignore the orphan list
* anyway on the next recovery. */
mem_insert:
if (!err)
list_add(&EXT4_I(inode)->i_orphan, &EXT4_SB(sb)->s_orphan);
jbd_debug(4, "superblock will point to %lu\n", inode->i_ino);
jbd_debug(4, "orphan inode %lu will point to %d\n",
inode->i_ino, NEXT_ORPHAN(inode));
out_unlock:
mutex_unlock(&EXT4_SB(sb)->s_orphan_lock);
ext4_std_error(inode->i_sb, err);
return err;
} | 326 | True | 1 |
|
CVE-2015-7509 | False | False | False | nan | AV:L/AC:L/Au:N/C:N/I:N/A:C | LOCAL | LOW | NONE | NONE | NONE | COMPLETE | 4.9 | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H | LOCAL | LOW | HIGH | NONE | UNCHANGED | NONE | NONE | HIGH | 4.4 | MEDIUM | 0.8 | 3.6 | nan | [{'url': 'http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9b92530a723ac5ef8e352885a1862b18f31b2f5', 'name': 'http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9b92530a723ac5ef8e352885a1862b18f31b2f5', 'refsource': 'CONFIRM', 'tags': ['Vendor Advisory']}, {'url': 'https://github.com/torvalds/linux/commit/c9b92530a723ac5ef8e352885a1862b18f31b2f5', 'name': 'https://github.com/torvalds/linux/commit/c9b92530a723ac5ef8e352885a1862b18f31b2f5', 'refsource': 'CONFIRM', 'tags': ['Vendor Advisory']}, {'url': 'https://security-tracker.debian.org/tracker/CVE-2015-7509', 'name': 'https://security-tracker.debian.org/tracker/CVE-2015-7509', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.suse.com/show_bug.cgi?id=956709', 'name': 'https://bugzilla.suse.com/show_bug.cgi?id=956709', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=1259222', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=1259222', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2016-0855.html', 'name': 'RHSA-2016:0855', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html', 'name': 'SUSE-SU-2016:2074', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html', 'name': 'SUSE-SU-2015:2350', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.securitytracker.com/id/1034559', 'name': '1034559', 'refsource': 'SECTRACK', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html', 'name': 'SUSE-SU-2015:2339', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-20'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.6.11', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'fs/ext4/namei.c in the Linux kernel before 3.7 allows physically proximate attackers to cause a denial of service (system crash) via a crafted no-journal filesystem, a related issue to CVE-2013-2015.'}] | 2016-12-07T18:24Z | 2015-12-28T11:59Z | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. |
Input validation is a frequently-used technique
for checking potentially dangerous inputs in order to
ensure that the inputs are safe for processing within the
code, or when communicating with other components. When
software does not validate input properly, an attacker is
able to craft the input in a form that is not expected by
the rest of the application. This will lead to parts of the
system receiving unintended input, which may result in
altered control flow, arbitrary control of a resource, or
arbitrary code execution.
Input validation is not the only technique for
processing input, however. Other techniques attempt to
transform potentially-dangerous input into something safe, such
as filtering (CWE-790) - which attempts to remove dangerous
inputs - or encoding/escaping (CWE-116), which attempts to
ensure that the input is not misinterpreted when it is included
in output to another component. Other techniques exist as well
(see CWE-138 for more examples.)
Input validation can be applied to:
raw data - strings, numbers, parameters, file contents, etc.
metadata - information about the raw data, such as headers or size
Data can be simple or structured. Structured data
can be composed of many nested layers, composed of
combinations of metadata and raw data, with other simple or
structured data.
Many properties of raw data or metadata may need
to be validated upon entry into the code, such
as:
specified quantities such as size, length, frequency, price, rate, number of operations, time, etc.
implied or derived quantities, such as the actual size of a file instead of a specified size
indexes, offsets, or positions into more complex data structures
symbolic keys or other elements into hash tables, associative arrays, etc.
well-formedness, i.e. syntactic correctness - compliance with expected syntax
lexical token correctness - compliance with rules for what is treated as a token
specified or derived type - the actual type of the input (or what the input appears to be)
consistency - between individual data elements, between raw data and metadata, between references, etc.
conformance to domain-specific rules, e.g. business logic
equivalence - ensuring that equivalent inputs are treated the same
authenticity, ownership, or other attestations about the input, e.g. a cryptographic signature to prove the source of the data
Implied or derived properties of data must often
be calculated or inferred by the code itself. Errors in
deriving properties may be considered a contributing factor
to improper input validation.
Note that "input validation" has very different
meanings to different people, or within different
classification schemes. Caution must be used when
referencing this CWE entry or mapping to it. For example,
some weaknesses might involve inadvertently giving control
to an attacker over an input when they should not be able
to provide an input at all, but sometimes this is referred
to as input validation.
Finally, it is important to emphasize that the
distinctions between input validation and output escaping
are often blurred, and developers must be careful to
understand the difference, including how input validation
is not always sufficient to prevent vulnerabilities,
especially when less stringent data types must be
supported, such as free-form text. Consider a SQL injection
scenario in which a person's last name is inserted into a
query. The name "O'Reilly" would likely pass the validation
step since it is a common last name in the English
language. However, this valid name cannot be directly
inserted into the database because it contains the "'"
apostrophe character, which would need to be escaped or
otherwise transformed. In this case, removing the
apostrophe might reduce the risk of SQL injection, but it
would produce incorrect behavior because the wrong name
would be recorded.
| https://cwe.mitre.org/data/definitions/20.html | 0 | Anatol Pomozov | 2012-09-18 13:38:59-04:00 | ext4: make orphan functions be no-op in no-journal mode
Instead of checking whether the handle is valid, we check if journal
is enabled. This avoids taking the s_orphan_lock mutex in all cases
when there is no journal in use, including the error paths where
ext4_orphan_del() is called with a handle set to NULL.
Signed-off-by: Anatol Pomozov <[email protected]>
Signed-off-by: "Theodore Ts'o" <[email protected]> | c9b92530a723ac5ef8e352885a1862b18f31b2f5 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | ext4_orphan_del | ext4_orphan_del( handle_t * handle , struct inode * inode) | ['handle', 'inode'] | int ext4_orphan_del(handle_t *handle, struct inode *inode)
{
struct list_head *prev;
struct ext4_inode_info *ei = EXT4_I(inode);
struct ext4_sb_info *sbi;
__u32 ino_next;
struct ext4_iloc iloc;
int err = 0;
/* ext4_handle_valid() assumes a valid handle_t pointer */
if (handle && !ext4_handle_valid(handle))
return 0;
mutex_lock(&EXT4_SB(inode->i_sb)->s_orphan_lock);
if (list_empty(&ei->i_orphan))
goto out;
ino_next = NEXT_ORPHAN(inode);
prev = ei->i_orphan.prev;
sbi = EXT4_SB(inode->i_sb);
jbd_debug(4, "remove inode %lu from orphan list\n", inode->i_ino);
list_del_init(&ei->i_orphan);
/* If we're on an error path, we may not have a valid
* transaction handle with which to update the orphan list on
* disk, but we still need to remove the inode from the linked
* list in memory. */
if (sbi->s_journal && !handle)
goto out;
err = ext4_reserve_inode_write(handle, inode, &iloc);
if (err)
goto out_err;
if (prev == &sbi->s_orphan) {
jbd_debug(4, "superblock will point to %u\n", ino_next);
BUFFER_TRACE(sbi->s_sbh, "get_write_access");
err = ext4_journal_get_write_access(handle, sbi->s_sbh);
if (err)
goto out_brelse;
sbi->s_es->s_last_orphan = cpu_to_le32(ino_next);
err = ext4_handle_dirty_super(handle, inode->i_sb);
} else {
struct ext4_iloc iloc2;
struct inode *i_prev =
&list_entry(prev, struct ext4_inode_info, i_orphan)->vfs_inode;
jbd_debug(4, "orphan inode %lu will point to %u\n",
i_prev->i_ino, ino_next);
err = ext4_reserve_inode_write(handle, i_prev, &iloc2);
if (err)
goto out_brelse;
NEXT_ORPHAN(i_prev) = ino_next;
err = ext4_mark_iloc_dirty(handle, i_prev, &iloc2);
}
if (err)
goto out_brelse;
NEXT_ORPHAN(inode) = 0;
err = ext4_mark_iloc_dirty(handle, inode, &iloc);
out_err:
ext4_std_error(inode->i_sb, err);
out:
mutex_unlock(&EXT4_SB(inode->i_sb)->s_orphan_lock);
return err;
out_brelse:
brelse(iloc.bh);
goto out_err;
} | 370 | True | 1 |
|
CVE-2013-1826 | False | False | False | False | AV:L/AC:H/Au:N/C:C/I:C/A:C | LOCAL | HIGH | NONE | COMPLETE | COMPLETE | COMPLETE | 6.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/07/2', 'name': '[oss-security] 20130307 Re: CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=864745d291b5ba80ea0bd0edcbe67273de368836', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=864745d291b5ba80ea0bd0edcbe67273de368836', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'https://github.com/torvalds/linux/commit/864745d291b5ba80ea0bd0edcbe67273de368836', 'name': 'https://github.com/torvalds/linux/commit/864745d291b5ba80ea0bd0edcbe67273de368836', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=919384', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=919384', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1829-1', 'name': 'USN-1829-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0744.html', 'name': 'RHSA-2013:0744', 'refsource': 'REDHAT', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'NVD-CWE-Other'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.5.6', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The xfrm_state_netlink function in net/xfrm/xfrm_user.c in the Linux kernel before 3.5.7 does not properly handle error conditions in dump_one_state function calls, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability.'}] | 2013-06-05T03:42Z | 2013-03-22T11:59Z | Other | NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset. | Insufficient Information | https://nvd.nist.gov/vuln/categories | 0 | Mathias Krause | 2012-09-13 11:41:26+00:00 | xfrm_user: return error pointer instead of NULL
When dump_one_state() returns an error, e.g. because of a too small
buffer to dump the whole xfrm state, xfrm_state_netlink() returns NULL
instead of an error pointer. But its callers expect an error pointer
and therefore continue to operate on a NULL skbuff.
This could lead to a privilege escalation (execution of user code in
kernel context) if the attacker has CAP_NET_ADMIN and is able to map
address 0.
Signed-off-by: Mathias Krause <[email protected]>
Acked-by: Steffen Klassert <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 864745d291b5ba80ea0bd0edcbe67273de368836 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | xfrm_state_netlink | xfrm_state_netlink( struct sk_buff * in_skb , struct xfrm_state * x , u32 seq) | ['in_skb', 'x', 'seq'] | static struct sk_buff *xfrm_state_netlink(struct sk_buff *in_skb,
struct xfrm_state *x, u32 seq)
{
struct xfrm_dump_info info;
struct sk_buff *skb;
skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
if (!skb)
return ERR_PTR(-ENOMEM);
info.in_skb = in_skb;
info.out_skb = skb;
info.nlmsg_seq = seq;
info.nlmsg_flags = 0;
if (dump_one_state(x, 0, &info)) {
kfree_skb(skb);
return NULL;
}
return skb;
} | 96 | True | 1 |
|
CVE-2012-6538 | False | False | False | False | AV:L/AC:M/Au:N/C:P/I:N/A:N | LOCAL | MEDIUM | NONE | PARTIAL | NONE | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/4c87308bdea31a7b4828a51f6156e6f721a1fcc9', 'name': 'https://github.com/torvalds/linux/commit/4c87308bdea31a7b4828a51f6156e6f721a1fcc9', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2', 'name': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4c87308bdea31a7b4828a51f6156e6f721a1fcc9', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4c87308bdea31a7b4828a51f6156e6f721a1fcc9', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0744.html', 'name': 'RHSA-2013:0744', 'refsource': 'REDHAT', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-200'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.63:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.38:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The copy_to_user_auth function in net/xfrm/xfrm_user.c in the Linux kernel before 3.6 uses an incorrect C library function for copying a string, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.'}] | 2019-04-22T17:48Z | 2013-03-15T20:55Z | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include:
private, personal information, such as personal messages, financial data, health records, geographic location, or contact details
system status and environment, such as the operating system and installed packages
business secrets and intellectual property
network status and configuration
the product's own code or internal state
metadata, e.g. logging of connections or message headers
indirect information, such as a discrepancy between two internal operations that can be observed by an outsider
Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include:
the product's own users
people or organizations whose information is created or used by the product, even if they are not direct product users
the product's administrators, including the admins of the system(s) and/or networks on which the product operates
the developer
Information exposures can occur in different ways:
the code explicitly inserts sensitive information into resources or messages that are intentionally made accessible to unauthorized actors, but should not contain the information - i.e., the information should have been "scrubbed" or "sanitized"
a different weakness or mistake indirectly inserts the sensitive information into resources, such as a web script error revealing the full system path of the program.
the code manages resources that intentionally contain sensitive information, but the resources are unintentionally made accessible to unauthorized actors. In this case, the information exposure is resultant - i.e., a different weakness enabled the access to the information in the first place.
It is common practice to describe any loss of confidentiality as an "information exposure," but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read. CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.
| https://cwe.mitre.org/data/definitions/200.html | 0 | Mathias Krause | 2012-09-19 11:33:38+00:00 | xfrm_user: fix info leak in copy_to_user_auth()
copy_to_user_auth() fails to initialize the remainder of alg_name and
therefore discloses up to 54 bytes of heap memory via netlink to
userland.
Use strncpy() instead of strcpy() to fill the trailing bytes of alg_name
with null bytes.
Signed-off-by: Mathias Krause <[email protected]>
Acked-by: Steffen Klassert <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 4c87308bdea31a7b4828a51f6156e6f721a1fcc9 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | copy_to_user_auth | copy_to_user_auth( struct xfrm_algo_auth * auth , struct sk_buff * skb) | ['auth', 'skb'] | static int copy_to_user_auth(struct xfrm_algo_auth *auth, struct sk_buff *skb)
{
struct xfrm_algo *algo;
struct nlattr *nla;
nla = nla_reserve(skb, XFRMA_ALG_AUTH,
sizeof(*algo) + (auth->alg_key_len + 7) / 8);
if (!nla)
return -EMSGSIZE;
algo = nla_data(nla);
strcpy(algo->alg_name, auth->alg_name);
memcpy(algo->alg_key, auth->alg_key, (auth->alg_key_len + 7) / 8);
algo->alg_key_len = auth->alg_key_len;
return 0;
} | 108 | True | 1 |
|
CVE-2012-6536 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/ecd7918745234e423dd87fcc0c077da557909720', 'name': 'https://github.com/torvalds/linux/commit/ecd7918745234e423dd87fcc0c077da557909720', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ecd7918745234e423dd87fcc0c077da557909720', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ecd7918745234e423dd87fcc0c077da557909720', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2', 'name': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-200'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.'}] | 2013-03-18T18:30Z | 2013-03-15T20:55Z | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include:
private, personal information, such as personal messages, financial data, health records, geographic location, or contact details
system status and environment, such as the operating system and installed packages
business secrets and intellectual property
network status and configuration
the product's own code or internal state
metadata, e.g. logging of connections or message headers
indirect information, such as a discrepancy between two internal operations that can be observed by an outsider
Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include:
the product's own users
people or organizations whose information is created or used by the product, even if they are not direct product users
the product's administrators, including the admins of the system(s) and/or networks on which the product operates
the developer
Information exposures can occur in different ways:
the code explicitly inserts sensitive information into resources or messages that are intentionally made accessible to unauthorized actors, but should not contain the information - i.e., the information should have been "scrubbed" or "sanitized"
a different weakness or mistake indirectly inserts the sensitive information into resources, such as a web script error revealing the full system path of the program.
the code manages resources that intentionally contain sensitive information, but the resources are unintentionally made accessible to unauthorized actors. In this case, the information exposure is resultant - i.e., a different weakness enabled the access to the information in the first place.
It is common practice to describe any loss of confidentiality as an "information exposure," but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read. CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.
| https://cwe.mitre.org/data/definitions/200.html | 0 | Mathias Krause | 2012-09-20 10:01:49+00:00 | xfrm_user: ensure user supplied esn replay window is valid
The current code fails to ensure that the netlink message actually
contains as many bytes as the header indicates. If a user creates a new
state or updates an existing one but does not supply the bytes for the
whole ESN replay window, the kernel copies random heap bytes into the
replay bitmap, the ones happen to follow the XFRMA_REPLAY_ESN_VAL
netlink attribute. This leads to following issues:
1. The replay window has random bits set confusing the replay handling
code later on.
2. A malicious user could use this flaw to leak up to ~3.5kB of heap
memory when she has access to the XFRM netlink interface (requires
CAP_NET_ADMIN).
Known users of the ESN replay window are strongSwan and Steffen's
iproute2 patch (<http://patchwork.ozlabs.org/patch/85962/>). The latter
uses the interface with a bitmap supplied while the former does not.
strongSwan is therefore prone to run into issue 1.
To fix both issues without breaking existing userland allow using the
XFRMA_REPLAY_ESN_VAL netlink attribute with either an empty bitmap or a
fully specified one. For the former case we initialize the in-kernel
bitmap with zero, for the latter we copy the user supplied bitmap. For
state updates the full bitmap must be supplied.
To prevent overflows in the bitmap length calculation the maximum size
of bmp_len is limited to 128 by this patch -- resulting in a maximum
replay window of 4096 packets. This should be sufficient for all real
life scenarios (RFC 4303 recommends a default replay window size of 64).
Cc: Steffen Klassert <[email protected]>
Cc: Martin Willi <[email protected]>
Cc: Ben Hutchings <[email protected]>
Signed-off-by: Mathias Krause <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | ecd7918745234e423dd87fcc0c077da557909720 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | verify_replay | verify_replay( struct xfrm_usersa_info * p , struct nlattr ** attrs) | ['p', 'attrs'] | static inline int verify_replay(struct xfrm_usersa_info *p,
struct nlattr **attrs)
{
struct nlattr *rt = attrs[XFRMA_REPLAY_ESN_VAL];
if ((p->flags & XFRM_STATE_ESN) && !rt)
return -EINVAL;
if (!rt)
return 0;
if (p->id.proto != IPPROTO_ESP)
return -EINVAL;
if (p->replay_window != 0)
return -EINVAL;
return 0;
} | 78 | True | 1 |
|
CVE-2012-6536 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/ecd7918745234e423dd87fcc0c077da557909720', 'name': 'https://github.com/torvalds/linux/commit/ecd7918745234e423dd87fcc0c077da557909720', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ecd7918745234e423dd87fcc0c077da557909720', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ecd7918745234e423dd87fcc0c077da557909720', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2', 'name': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-200'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.'}] | 2013-03-18T18:30Z | 2013-03-15T20:55Z | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include:
private, personal information, such as personal messages, financial data, health records, geographic location, or contact details
system status and environment, such as the operating system and installed packages
business secrets and intellectual property
network status and configuration
the product's own code or internal state
metadata, e.g. logging of connections or message headers
indirect information, such as a discrepancy between two internal operations that can be observed by an outsider
Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include:
the product's own users
people or organizations whose information is created or used by the product, even if they are not direct product users
the product's administrators, including the admins of the system(s) and/or networks on which the product operates
the developer
Information exposures can occur in different ways:
the code explicitly inserts sensitive information into resources or messages that are intentionally made accessible to unauthorized actors, but should not contain the information - i.e., the information should have been "scrubbed" or "sanitized"
a different weakness or mistake indirectly inserts the sensitive information into resources, such as a web script error revealing the full system path of the program.
the code manages resources that intentionally contain sensitive information, but the resources are unintentionally made accessible to unauthorized actors. In this case, the information exposure is resultant - i.e., a different weakness enabled the access to the information in the first place.
It is common practice to describe any loss of confidentiality as an "information exposure," but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read. CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.
| https://cwe.mitre.org/data/definitions/200.html | 0 | Mathias Krause | 2012-09-20 10:01:49+00:00 | xfrm_user: ensure user supplied esn replay window is valid
The current code fails to ensure that the netlink message actually
contains as many bytes as the header indicates. If a user creates a new
state or updates an existing one but does not supply the bytes for the
whole ESN replay window, the kernel copies random heap bytes into the
replay bitmap, the ones happen to follow the XFRMA_REPLAY_ESN_VAL
netlink attribute. This leads to following issues:
1. The replay window has random bits set confusing the replay handling
code later on.
2. A malicious user could use this flaw to leak up to ~3.5kB of heap
memory when she has access to the XFRM netlink interface (requires
CAP_NET_ADMIN).
Known users of the ESN replay window are strongSwan and Steffen's
iproute2 patch (<http://patchwork.ozlabs.org/patch/85962/>). The latter
uses the interface with a bitmap supplied while the former does not.
strongSwan is therefore prone to run into issue 1.
To fix both issues without breaking existing userland allow using the
XFRMA_REPLAY_ESN_VAL netlink attribute with either an empty bitmap or a
fully specified one. For the former case we initialize the in-kernel
bitmap with zero, for the latter we copy the user supplied bitmap. For
state updates the full bitmap must be supplied.
To prevent overflows in the bitmap length calculation the maximum size
of bmp_len is limited to 128 by this patch -- resulting in a maximum
replay window of 4096 packets. This should be sufficient for all real
life scenarios (RFC 4303 recommends a default replay window size of 64).
Cc: Steffen Klassert <[email protected]>
Cc: Martin Willi <[email protected]>
Cc: Ben Hutchings <[email protected]>
Signed-off-by: Mathias Krause <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | ecd7918745234e423dd87fcc0c077da557909720 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | xfrm_alloc_replay_state_esn | xfrm_alloc_replay_state_esn( struct xfrm_replay_state_esn ** replay_esn , struct xfrm_replay_state_esn ** preplay_esn , struct nlattr * rta) | ['replay_esn', 'preplay_esn', 'rta'] | static int xfrm_alloc_replay_state_esn(struct xfrm_replay_state_esn **replay_esn,
struct xfrm_replay_state_esn **preplay_esn,
struct nlattr *rta)
{
struct xfrm_replay_state_esn *p, *pp, *up;
if (!rta)
return 0;
up = nla_data(rta);
p = kmemdup(up, xfrm_replay_state_esn_len(up), GFP_KERNEL);
if (!p)
return -ENOMEM;
pp = kmemdup(up, xfrm_replay_state_esn_len(up), GFP_KERNEL);
if (!pp) {
kfree(p);
return -ENOMEM;
}
*replay_esn = p;
*preplay_esn = pp;
return 0;
} | 111 | True | 1 |
|
CVE-2012-6536 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/ecd7918745234e423dd87fcc0c077da557909720', 'name': 'https://github.com/torvalds/linux/commit/ecd7918745234e423dd87fcc0c077da557909720', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ecd7918745234e423dd87fcc0c077da557909720', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ecd7918745234e423dd87fcc0c077da557909720', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2', 'name': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-200'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.'}] | 2013-03-18T18:30Z | 2013-03-15T20:55Z | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include:
private, personal information, such as personal messages, financial data, health records, geographic location, or contact details
system status and environment, such as the operating system and installed packages
business secrets and intellectual property
network status and configuration
the product's own code or internal state
metadata, e.g. logging of connections or message headers
indirect information, such as a discrepancy between two internal operations that can be observed by an outsider
Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include:
the product's own users
people or organizations whose information is created or used by the product, even if they are not direct product users
the product's administrators, including the admins of the system(s) and/or networks on which the product operates
the developer
Information exposures can occur in different ways:
the code explicitly inserts sensitive information into resources or messages that are intentionally made accessible to unauthorized actors, but should not contain the information - i.e., the information should have been "scrubbed" or "sanitized"
a different weakness or mistake indirectly inserts the sensitive information into resources, such as a web script error revealing the full system path of the program.
the code manages resources that intentionally contain sensitive information, but the resources are unintentionally made accessible to unauthorized actors. In this case, the information exposure is resultant - i.e., a different weakness enabled the access to the information in the first place.
It is common practice to describe any loss of confidentiality as an "information exposure," but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read. CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.
| https://cwe.mitre.org/data/definitions/200.html | 0 | Mathias Krause | 2012-09-20 10:01:49+00:00 | xfrm_user: ensure user supplied esn replay window is valid
The current code fails to ensure that the netlink message actually
contains as many bytes as the header indicates. If a user creates a new
state or updates an existing one but does not supply the bytes for the
whole ESN replay window, the kernel copies random heap bytes into the
replay bitmap, the ones happen to follow the XFRMA_REPLAY_ESN_VAL
netlink attribute. This leads to following issues:
1. The replay window has random bits set confusing the replay handling
code later on.
2. A malicious user could use this flaw to leak up to ~3.5kB of heap
memory when she has access to the XFRM netlink interface (requires
CAP_NET_ADMIN).
Known users of the ESN replay window are strongSwan and Steffen's
iproute2 patch (<http://patchwork.ozlabs.org/patch/85962/>). The latter
uses the interface with a bitmap supplied while the former does not.
strongSwan is therefore prone to run into issue 1.
To fix both issues without breaking existing userland allow using the
XFRMA_REPLAY_ESN_VAL netlink attribute with either an empty bitmap or a
fully specified one. For the former case we initialize the in-kernel
bitmap with zero, for the latter we copy the user supplied bitmap. For
state updates the full bitmap must be supplied.
To prevent overflows in the bitmap length calculation the maximum size
of bmp_len is limited to 128 by this patch -- resulting in a maximum
replay window of 4096 packets. This should be sufficient for all real
life scenarios (RFC 4303 recommends a default replay window size of 64).
Cc: Steffen Klassert <[email protected]>
Cc: Martin Willi <[email protected]>
Cc: Ben Hutchings <[email protected]>
Signed-off-by: Mathias Krause <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | ecd7918745234e423dd87fcc0c077da557909720 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | xfrm_replay_verify_len | xfrm_replay_verify_len( struct xfrm_replay_state_esn * replay_esn , struct nlattr * rp) | ['replay_esn', 'rp'] | static inline int xfrm_replay_verify_len(struct xfrm_replay_state_esn *replay_esn,
struct nlattr *rp)
{
struct xfrm_replay_state_esn *up;
if (!replay_esn || !rp)
return 0;
up = nla_data(rp);
if (xfrm_replay_state_esn_len(replay_esn) !=
xfrm_replay_state_esn_len(up))
return -EINVAL;
return 0;
} | 56 | True | 1 |
|
CVE-2012-6657 | False | False | False | False | AV:L/AC:L/Au:N/C:N/I:N/A:C | LOCAL | LOW | NONE | NONE | NONE | COMPLETE | 4.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=1141742', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=1141742', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3e10986d1d698140747fcfc2761ec9cb64c1d582', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3e10986d1d698140747fcfc2761ec9cb64c1d582', 'refsource': 'CONFIRM', 'tags': ['Exploit']}, {'url': 'http://www.openwall.com/lists/oss-security/2014/09/15/8', 'name': '[oss-security] 20140915 Re: CVE request Linux kernel: net: guard tcp_set_keepalive against crash', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582', 'name': 'https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582', 'refsource': 'CONFIRM', 'tags': ['Exploit']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7', 'refsource': 'CONFIRM', 'tags': ['Vendor Advisory']}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html', 'name': 'SUSE-SU-2015:0652', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html', 'name': 'SUSE-SU-2015:0812', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://marc.info/?l=bugtraq&m=142722450701342&w=2', 'name': 'HPSBGN03285', 'refsource': 'HP', 'tags': []}, {'url': 'http://marc.info/?l=bugtraq&m=142722544401658&w=2', 'name': 'HPSBGN03282', 'refsource': 'HP', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-264'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.5.6', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp1:*:*:ltss:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:novell:suse_linux_enterprise_server:10.0:sp4:*:*:ltss:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The sock_setsockopt function in net/core/sock.c in the Linux kernel before 3.5.7 does not ensure that a keepalive action is associated with a stream socket, which allows local users to cause a denial of service (system crash) by leveraging the ability to create a raw socket.'}] | 2016-08-23T02:06Z | 2014-09-28T10:55Z | Permissions, Privileges, and Access Controls | Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control. | https://cwe.mitre.org/data/definitions/264.html | 1 | Eric Dumazet | 2012-09-24 07:00:11+00:00 | net: guard tcp_set_keepalive() to tcp sockets
Its possible to use RAW sockets to get a crash in
tcp_set_keepalive() / sk_reset_timer()
Fix is to make sure socket is a SOCK_STREAM one.
Reported-by: Dave Jones <[email protected]>
Signed-off-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 3e10986d1d698140747fcfc2761ec9cb64c1d582 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | sock_setsockopt | sock_setsockopt( struct socket * sock , int level , int optname , char __user * optval , unsigned int optlen) | ['sock', 'level', 'optname', 'optval', 'optlen'] | int sock_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
int val;
int valbool;
struct linger ling;
int ret = 0;
/*
* Options without arguments
*/
if (optname == SO_BINDTODEVICE)
return sock_bindtodevice(sk, optval, optlen);
if (optlen < sizeof(int))
return -EINVAL;
if (get_user(val, (int __user *)optval))
return -EFAULT;
valbool = val ? 1 : 0;
lock_sock(sk);
switch (optname) {
case SO_DEBUG:
if (val && !capable(CAP_NET_ADMIN))
ret = -EACCES;
else
sock_valbool_flag(sk, SOCK_DBG, valbool);
break;
case SO_REUSEADDR:
sk->sk_reuse = (valbool ? SK_CAN_REUSE : SK_NO_REUSE);
break;
case SO_TYPE:
case SO_PROTOCOL:
case SO_DOMAIN:
case SO_ERROR:
ret = -ENOPROTOOPT;
break;
case SO_DONTROUTE:
sock_valbool_flag(sk, SOCK_LOCALROUTE, valbool);
break;
case SO_BROADCAST:
sock_valbool_flag(sk, SOCK_BROADCAST, valbool);
break;
case SO_SNDBUF:
/* Don't error on this BSD doesn't and if you think
* about it this is right. Otherwise apps have to
* play 'guess the biggest size' games. RCVBUF/SNDBUF
* are treated in BSD as hints
*/
val = min_t(u32, val, sysctl_wmem_max);
set_sndbuf:
sk->sk_userlocks |= SOCK_SNDBUF_LOCK;
sk->sk_sndbuf = max_t(u32, val * 2, SOCK_MIN_SNDBUF);
/* Wake up sending tasks if we upped the value. */
sk->sk_write_space(sk);
break;
case SO_SNDBUFFORCE:
if (!capable(CAP_NET_ADMIN)) {
ret = -EPERM;
break;
}
goto set_sndbuf;
case SO_RCVBUF:
/* Don't error on this BSD doesn't and if you think
* about it this is right. Otherwise apps have to
* play 'guess the biggest size' games. RCVBUF/SNDBUF
* are treated in BSD as hints
*/
val = min_t(u32, val, sysctl_rmem_max);
set_rcvbuf:
sk->sk_userlocks |= SOCK_RCVBUF_LOCK;
/*
* We double it on the way in to account for
* "struct sk_buff" etc. overhead. Applications
* assume that the SO_RCVBUF setting they make will
* allow that much actual data to be received on that
* socket.
*
* Applications are unaware that "struct sk_buff" and
* other overheads allocate from the receive buffer
* during socket buffer allocation.
*
* And after considering the possible alternatives,
* returning the value we actually used in getsockopt
* is the most desirable behavior.
*/
sk->sk_rcvbuf = max_t(u32, val * 2, SOCK_MIN_RCVBUF);
break;
case SO_RCVBUFFORCE:
if (!capable(CAP_NET_ADMIN)) {
ret = -EPERM;
break;
}
goto set_rcvbuf;
case SO_KEEPALIVE:
#ifdef CONFIG_INET
if (sk->sk_protocol == IPPROTO_TCP)
tcp_set_keepalive(sk, valbool);
#endif
sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool);
break;
case SO_OOBINLINE:
sock_valbool_flag(sk, SOCK_URGINLINE, valbool);
break;
case SO_NO_CHECK:
sk->sk_no_check = valbool;
break;
case SO_PRIORITY:
if ((val >= 0 && val <= 6) || capable(CAP_NET_ADMIN))
sk->sk_priority = val;
else
ret = -EPERM;
break;
case SO_LINGER:
if (optlen < sizeof(ling)) {
ret = -EINVAL; /* 1003.1g */
break;
}
if (copy_from_user(&ling, optval, sizeof(ling))) {
ret = -EFAULT;
break;
}
if (!ling.l_onoff)
sock_reset_flag(sk, SOCK_LINGER);
else {
#if (BITS_PER_LONG == 32)
if ((unsigned int)ling.l_linger >= MAX_SCHEDULE_TIMEOUT/HZ)
sk->sk_lingertime = MAX_SCHEDULE_TIMEOUT;
else
#endif
sk->sk_lingertime = (unsigned int)ling.l_linger * HZ;
sock_set_flag(sk, SOCK_LINGER);
}
break;
case SO_BSDCOMPAT:
sock_warn_obsolete_bsdism("setsockopt");
break;
case SO_PASSCRED:
if (valbool)
set_bit(SOCK_PASSCRED, &sock->flags);
else
clear_bit(SOCK_PASSCRED, &sock->flags);
break;
case SO_TIMESTAMP:
case SO_TIMESTAMPNS:
if (valbool) {
if (optname == SO_TIMESTAMP)
sock_reset_flag(sk, SOCK_RCVTSTAMPNS);
else
sock_set_flag(sk, SOCK_RCVTSTAMPNS);
sock_set_flag(sk, SOCK_RCVTSTAMP);
sock_enable_timestamp(sk, SOCK_TIMESTAMP);
} else {
sock_reset_flag(sk, SOCK_RCVTSTAMP);
sock_reset_flag(sk, SOCK_RCVTSTAMPNS);
}
break;
case SO_TIMESTAMPING:
if (val & ~SOF_TIMESTAMPING_MASK) {
ret = -EINVAL;
break;
}
sock_valbool_flag(sk, SOCK_TIMESTAMPING_TX_HARDWARE,
val & SOF_TIMESTAMPING_TX_HARDWARE);
sock_valbool_flag(sk, SOCK_TIMESTAMPING_TX_SOFTWARE,
val & SOF_TIMESTAMPING_TX_SOFTWARE);
sock_valbool_flag(sk, SOCK_TIMESTAMPING_RX_HARDWARE,
val & SOF_TIMESTAMPING_RX_HARDWARE);
if (val & SOF_TIMESTAMPING_RX_SOFTWARE)
sock_enable_timestamp(sk,
SOCK_TIMESTAMPING_RX_SOFTWARE);
else
sock_disable_timestamp(sk,
(1UL << SOCK_TIMESTAMPING_RX_SOFTWARE));
sock_valbool_flag(sk, SOCK_TIMESTAMPING_SOFTWARE,
val & SOF_TIMESTAMPING_SOFTWARE);
sock_valbool_flag(sk, SOCK_TIMESTAMPING_SYS_HARDWARE,
val & SOF_TIMESTAMPING_SYS_HARDWARE);
sock_valbool_flag(sk, SOCK_TIMESTAMPING_RAW_HARDWARE,
val & SOF_TIMESTAMPING_RAW_HARDWARE);
break;
case SO_RCVLOWAT:
if (val < 0)
val = INT_MAX;
sk->sk_rcvlowat = val ? : 1;
break;
case SO_RCVTIMEO:
ret = sock_set_timeout(&sk->sk_rcvtimeo, optval, optlen);
break;
case SO_SNDTIMEO:
ret = sock_set_timeout(&sk->sk_sndtimeo, optval, optlen);
break;
case SO_ATTACH_FILTER:
ret = -EINVAL;
if (optlen == sizeof(struct sock_fprog)) {
struct sock_fprog fprog;
ret = -EFAULT;
if (copy_from_user(&fprog, optval, sizeof(fprog)))
break;
ret = sk_attach_filter(&fprog, sk);
}
break;
case SO_DETACH_FILTER:
ret = sk_detach_filter(sk);
break;
case SO_PASSSEC:
if (valbool)
set_bit(SOCK_PASSSEC, &sock->flags);
else
clear_bit(SOCK_PASSSEC, &sock->flags);
break;
case SO_MARK:
if (!capable(CAP_NET_ADMIN))
ret = -EPERM;
else
sk->sk_mark = val;
break;
/* We implement the SO_SNDLOWAT etc to
not be settable (1003.1g 5.3) */
case SO_RXQ_OVFL:
sock_valbool_flag(sk, SOCK_RXQ_OVFL, valbool);
break;
case SO_WIFI_STATUS:
sock_valbool_flag(sk, SOCK_WIFI_STATUS, valbool);
break;
case SO_PEEK_OFF:
if (sock->ops->set_peek_off)
sock->ops->set_peek_off(sk, val);
else
ret = -EOPNOTSUPP;
break;
case SO_NOFCS:
sock_valbool_flag(sk, SOCK_NOFCS, valbool);
break;
default:
ret = -ENOPROTOOPT;
break;
}
release_sock(sk);
return ret;
} | 1027 | True | 1 |
||
CVE-2013-0309 | False | False | False | False | AV:L/AC:M/Au:N/C:N/I:N/A:C | LOCAL | MEDIUM | NONE | NONE | NONE | COMPLETE | 4.7 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/027ef6c87853b0a9df53175063028edb4950d476', 'name': 'https://github.com/torvalds/linux/commit/027ef6c87853b0a9df53175063028edb4950d476', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.2', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.2', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/20/4', 'name': '[oss-security] 20130219 Re: CVE request -- Linux kernel: mm: thp: pmd_present and PROT_NONE local DoS', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=027ef6c87853b0a9df53175063028edb4950d476', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=027ef6c87853b0a9df53175063028edb4950d476', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=912898', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=912898', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0496.html', 'name': 'RHSA-2013:0496', 'refsource': 'REDHAT', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-119'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.38:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.36:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.6.1', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.32:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*', 'cpe_name': []}, 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Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. |
Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.
As a result, an attacker may be able to execute arbitrary code, alter the intended control flow, read sensitive information, or cause the system to crash.
| https://cwe.mitre.org/data/definitions/119.html | 0 | Andrea Arcangeli | 2012-10-08 16:33:27-07:00 | mm: thp: fix pmd_present for split_huge_page and PROT_NONE with THP
In many places !pmd_present has been converted to pmd_none. For pmds
that's equivalent and pmd_none is quicker so using pmd_none is better.
However (unless we delete pmd_present) we should provide an accurate
pmd_present too. This will avoid the risk of code thinking the pmd is non
present because it's under __split_huge_page_map, see the pmd_mknotpresent
there and the comment above it.
If the page has been mprotected as PROT_NONE, it would also lead to a
pmd_present false negative in the same way as the race with
split_huge_page.
Because the PSE bit stays on at all times (both during split_huge_page and
when the _PAGE_PROTNONE bit get set), we could only check for the PSE bit,
but checking the PROTNONE bit too is still good to remember pmd_present
must always keep PROT_NONE into account.
This explains a not reproducible BUG_ON that was seldom reported on the
lists.
The same issue is in pmd_large, it would go wrong with both PROT_NONE and
if it races with split_huge_page.
Signed-off-by: Andrea Arcangeli <[email protected]>
Acked-by: Rik van Riel <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]> | 027ef6c87853b0a9df53175063028edb4950d476 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | pmd_large | pmd_large( pmd_t pte) | ['pte'] | static inline int pmd_large(pmd_t pte)
{
return (pmd_flags(pte) & (_PAGE_PSE | _PAGE_PRESENT)) ==
(_PAGE_PSE | _PAGE_PRESENT);
} | 27 | True | 1 |
|
CVE-2013-0309 | False | False | False | False | AV:L/AC:M/Au:N/C:N/I:N/A:C | LOCAL | MEDIUM | NONE | NONE | NONE | COMPLETE | 4.7 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/027ef6c87853b0a9df53175063028edb4950d476', 'name': 'https://github.com/torvalds/linux/commit/027ef6c87853b0a9df53175063028edb4950d476', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.2', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.2', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/20/4', 'name': '[oss-security] 20130219 Re: CVE request -- Linux kernel: mm: thp: pmd_present and PROT_NONE local DoS', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=027ef6c87853b0a9df53175063028edb4950d476', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=027ef6c87853b0a9df53175063028edb4950d476', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=912898', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=912898', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0496.html', 'name': 'RHSA-2013:0496', 'refsource': 'REDHAT', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-119'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'arch/x86/include/asm/pgtable.h in the Linux kernel before 3.6.2, when transparent huge pages are used, does not properly support PROT_NONE memory regions, which allows local users to cause a denial of service (system crash) via a crafted application.'}] | 2019-04-22T17:48Z | 2013-02-22T00:55Z | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. |
Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.
As a result, an attacker may be able to execute arbitrary code, alter the intended control flow, read sensitive information, or cause the system to crash.
| https://cwe.mitre.org/data/definitions/119.html | 0 | Andrea Arcangeli | 2012-10-08 16:33:27-07:00 | mm: thp: fix pmd_present for split_huge_page and PROT_NONE with THP
In many places !pmd_present has been converted to pmd_none. For pmds
that's equivalent and pmd_none is quicker so using pmd_none is better.
However (unless we delete pmd_present) we should provide an accurate
pmd_present too. This will avoid the risk of code thinking the pmd is non
present because it's under __split_huge_page_map, see the pmd_mknotpresent
there and the comment above it.
If the page has been mprotected as PROT_NONE, it would also lead to a
pmd_present false negative in the same way as the race with
split_huge_page.
Because the PSE bit stays on at all times (both during split_huge_page and
when the _PAGE_PROTNONE bit get set), we could only check for the PSE bit,
but checking the PROTNONE bit too is still good to remember pmd_present
must always keep PROT_NONE into account.
This explains a not reproducible BUG_ON that was seldom reported on the
lists.
The same issue is in pmd_large, it would go wrong with both PROT_NONE and
if it races with split_huge_page.
Signed-off-by: Andrea Arcangeli <[email protected]>
Acked-by: Rik van Riel <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]> | 027ef6c87853b0a9df53175063028edb4950d476 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | pmd_present | pmd_present( pmd_t pmd) | ['pmd'] | static inline int pmd_present(pmd_t pmd)
{
return pmd_flags(pmd) & _PAGE_PRESENT;
} | 15 | True | 1 |
|
CVE-2012-4508 | False | False | False | False | AV:L/AC:M/Au:N/C:P/I:N/A:N | LOCAL | MEDIUM | NONE | PARTIAL | NONE | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dee1f973ca341c266229faa5a1a5bb268bed3531', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dee1f973ca341c266229faa5a1a5bb268bed3531', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531', 'name': 'https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/10/25/1', 'name': '[oss-security] 20121025 CVE-2012-4508 -- kernel: ext4: AIO vs fallocate stale data exposure', 'refsource': 'MLIST', 'tags': []}, {'url': 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'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.'}] | 2014-01-08T04:32Z | 2012-12-21T11:47Z | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. |
This can have security implications when the expected synchronization is in security-critical code, such as recording whether a user is authenticated or modifying important state information that should not be influenced by an outsider.
A race condition occurs within concurrent environments, and is effectively a property of a code sequence. Depending on the context, a code sequence may be in the form of a function call, a small number of instructions, a series of program invocations, etc.
A race condition violates these properties, which are closely related:
Exclusivity - the code sequence is given exclusive access to the shared resource, i.e., no other code sequence can modify properties of the shared resource before the original sequence has completed execution.
Atomicity - the code sequence is behaviorally atomic, i.e., no other thread or process can concurrently execute the same sequence of instructions (or a subset) against the same resource.
A race condition exists when an "interfering code sequence" can still access the shared resource, violating exclusivity. Programmers may assume that certain code sequences execute too quickly to be affected by an interfering code sequence; when they are not, this violates atomicity. For example, the single "x++" statement may appear atomic at the code layer, but it is actually non-atomic at the instruction layer, since it involves a read (the original value of x), followed by a computation (x+1), followed by a write (save the result to x).
The interfering code sequence could be "trusted" or "untrusted." A trusted interfering code sequence occurs within the program; it cannot be modified by the attacker, and it can only be invoked indirectly. An untrusted interfering code sequence can be authored directly by the attacker, and typically it is external to the vulnerable program.
| https://cwe.mitre.org/data/definitions/362.html | 0 | Dmitry Monakhov | 2012-10-10 01:04:58-04:00 | ext4: race-condition protection for ext4_convert_unwritten_extents_endio
We assumed that at the time we call ext4_convert_unwritten_extents_endio()
extent in question is fully inside [map.m_lblk, map->m_len] because
it was already split during submission. But this may not be true due to
a race between writeback vs fallocate.
If extent in question is larger than requested we will split it again.
Special precautions should being done if zeroout required because
[map.m_lblk, map->m_len] already contains valid data.
Signed-off-by: Dmitry Monakhov <[email protected]>
Signed-off-by: "Theodore Ts'o" <[email protected]>
Cc: [email protected] | dee1f973ca341c266229faa5a1a5bb268bed3531 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | ext4_convert_unwritten_extents_endio | ext4_convert_unwritten_extents_endio( handle_t * handle , struct inode * inode , struct ext4_ext_path * path) | ['handle', 'inode', 'path'] | static int ext4_convert_unwritten_extents_endio(handle_t *handle,
struct inode *inode,
struct ext4_ext_path *path)
{
struct ext4_extent *ex;
int depth;
int err = 0;
depth = ext_depth(inode);
ex = path[depth].p_ext;
ext_debug("ext4_convert_unwritten_extents_endio: inode %lu, logical"
"block %llu, max_blocks %u\n", inode->i_ino,
(unsigned long long)le32_to_cpu(ex->ee_block),
ext4_ext_get_actual_len(ex));
err = ext4_ext_get_access(handle, inode, path + depth);
if (err)
goto out;
/* first mark the extent as initialized */
ext4_ext_mark_initialized(ex);
/* note: ext4_ext_correct_indexes() isn't needed here because
* borders are not changed
*/
ext4_ext_try_to_merge(handle, inode, path, ex);
/* Mark modified extent as dirty */
err = ext4_ext_dirty(handle, inode, path + path->p_depth);
out:
ext4_ext_show_leaf(inode, path);
return err;
} | 137 | True | 1 |
|
CVE-2012-4508 | False | False | False | False | AV:L/AC:M/Au:N/C:P/I:N/A:N | LOCAL | MEDIUM | NONE | PARTIAL | NONE | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dee1f973ca341c266229faa5a1a5bb268bed3531', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dee1f973ca341c266229faa5a1a5bb268bed3531', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531', 'name': 'https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/10/25/1', 'name': '[oss-security] 20121025 CVE-2012-4508 -- kernel: ext4: AIO vs fallocate stale data exposure', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=869904', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=869904', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2012-1540.html', 'name': 'RHSA-2012:1540', 'refsource': 'REDHAT', 'tags': []}, {'url': 'https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html', 'name': 'SUSE-SU-2012:1679', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1645-1', 'name': 'USN-1645-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0496.html', 'name': 'RHSA-2013:0496', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1899-1', 'name': 'USN-1899-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1900-1', 'name': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.'}] | 2014-01-08T04:32Z | 2012-12-21T11:47Z | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. |
This can have security implications when the expected synchronization is in security-critical code, such as recording whether a user is authenticated or modifying important state information that should not be influenced by an outsider.
A race condition occurs within concurrent environments, and is effectively a property of a code sequence. Depending on the context, a code sequence may be in the form of a function call, a small number of instructions, a series of program invocations, etc.
A race condition violates these properties, which are closely related:
Exclusivity - the code sequence is given exclusive access to the shared resource, i.e., no other code sequence can modify properties of the shared resource before the original sequence has completed execution.
Atomicity - the code sequence is behaviorally atomic, i.e., no other thread or process can concurrently execute the same sequence of instructions (or a subset) against the same resource.
A race condition exists when an "interfering code sequence" can still access the shared resource, violating exclusivity. Programmers may assume that certain code sequences execute too quickly to be affected by an interfering code sequence; when they are not, this violates atomicity. For example, the single "x++" statement may appear atomic at the code layer, but it is actually non-atomic at the instruction layer, since it involves a read (the original value of x), followed by a computation (x+1), followed by a write (save the result to x).
The interfering code sequence could be "trusted" or "untrusted." A trusted interfering code sequence occurs within the program; it cannot be modified by the attacker, and it can only be invoked indirectly. An untrusted interfering code sequence can be authored directly by the attacker, and typically it is external to the vulnerable program.
| https://cwe.mitre.org/data/definitions/362.html | 0 | Dmitry Monakhov | 2012-10-10 01:04:58-04:00 | ext4: race-condition protection for ext4_convert_unwritten_extents_endio
We assumed that at the time we call ext4_convert_unwritten_extents_endio()
extent in question is fully inside [map.m_lblk, map->m_len] because
it was already split during submission. But this may not be true due to
a race between writeback vs fallocate.
If extent in question is larger than requested we will split it again.
Special precautions should being done if zeroout required because
[map.m_lblk, map->m_len] already contains valid data.
Signed-off-by: Dmitry Monakhov <[email protected]>
Signed-off-by: "Theodore Ts'o" <[email protected]>
Cc: [email protected] | dee1f973ca341c266229faa5a1a5bb268bed3531 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | ext4_ext_handle_uninitialized_extents | ext4_ext_handle_uninitialized_extents( handle_t * handle , struct inode * inode , struct ext4_map_blocks * map , struct ext4_ext_path * path , int flags , unsigned int allocated , ext4_fsblk_t newblock) | ['handle', 'inode', 'map', 'path', 'flags', 'allocated', 'newblock'] | ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode,
struct ext4_map_blocks *map,
struct ext4_ext_path *path, int flags,
unsigned int allocated, ext4_fsblk_t newblock)
{
int ret = 0;
int err = 0;
ext4_io_end_t *io = ext4_inode_aio(inode);
ext_debug("ext4_ext_handle_uninitialized_extents: inode %lu, logical "
"block %llu, max_blocks %u, flags %x, allocated %u\n",
inode->i_ino, (unsigned long long)map->m_lblk, map->m_len,
flags, allocated);
ext4_ext_show_leaf(inode, path);
trace_ext4_ext_handle_uninitialized_extents(inode, map, allocated,
newblock);
/* get_block() before submit the IO, split the extent */
if ((flags & EXT4_GET_BLOCKS_PRE_IO)) {
ret = ext4_split_unwritten_extents(handle, inode, map,
path, flags);
if (ret <= 0)
goto out;
/*
* Flag the inode(non aio case) or end_io struct (aio case)
* that this IO needs to conversion to written when IO is
* completed
*/
if (io)
ext4_set_io_unwritten_flag(inode, io);
else
ext4_set_inode_state(inode, EXT4_STATE_DIO_UNWRITTEN);
if (ext4_should_dioread_nolock(inode))
map->m_flags |= EXT4_MAP_UNINIT;
goto out;
}
/* IO end_io complete, convert the filled extent to written */
if ((flags & EXT4_GET_BLOCKS_CONVERT)) {
ret = ext4_convert_unwritten_extents_endio(handle, inode,
path);
if (ret >= 0) {
ext4_update_inode_fsync_trans(handle, inode, 1);
err = check_eofblocks_fl(handle, inode, map->m_lblk,
path, map->m_len);
} else
err = ret;
goto out2;
}
/* buffered IO case */
/*
* repeat fallocate creation request
* we already have an unwritten extent
*/
if (flags & EXT4_GET_BLOCKS_UNINIT_EXT)
goto map_out;
/* buffered READ or buffered write_begin() lookup */
if ((flags & EXT4_GET_BLOCKS_CREATE) == 0) {
/*
* We have blocks reserved already. We
* return allocated blocks so that delalloc
* won't do block reservation for us. But
* the buffer head will be unmapped so that
* a read from the block returns 0s.
*/
map->m_flags |= EXT4_MAP_UNWRITTEN;
goto out1;
}
/* buffered write, writepage time, convert*/
ret = ext4_ext_convert_to_initialized(handle, inode, map, path);
if (ret >= 0)
ext4_update_inode_fsync_trans(handle, inode, 1);
out:
if (ret <= 0) {
err = ret;
goto out2;
} else
allocated = ret;
map->m_flags |= EXT4_MAP_NEW;
/*
* if we allocated more blocks than requested
* we need to make sure we unmap the extra block
* allocated. The actual needed block will get
* unmapped later when we find the buffer_head marked
* new.
*/
if (allocated > map->m_len) {
unmap_underlying_metadata_blocks(inode->i_sb->s_bdev,
newblock + map->m_len,
allocated - map->m_len);
allocated = map->m_len;
}
/*
* If we have done fallocate with the offset that is already
* delayed allocated, we would have block reservation
* and quota reservation done in the delayed write path.
* But fallocate would have already updated quota and block
* count for this offset. So cancel these reservation
*/
if (flags & EXT4_GET_BLOCKS_DELALLOC_RESERVE) {
unsigned int reserved_clusters;
reserved_clusters = get_reserved_cluster_alloc(inode,
map->m_lblk, map->m_len);
if (reserved_clusters)
ext4_da_update_reserve_space(inode,
reserved_clusters,
0);
}
map_out:
map->m_flags |= EXT4_MAP_MAPPED;
if ((flags & EXT4_GET_BLOCKS_KEEP_SIZE) == 0) {
err = check_eofblocks_fl(handle, inode, map->m_lblk, path,
map->m_len);
if (err < 0)
goto out2;
}
out1:
if (allocated > map->m_len)
allocated = map->m_len;
ext4_ext_show_leaf(inode, path);
map->m_pblk = newblock;
map->m_len = allocated;
out2:
if (path) {
ext4_ext_drop_refs(path);
kfree(path);
}
return err ? err : allocated;
} | 502 | True | 1 |
|
CVE-2012-4508 | False | False | False | False | AV:L/AC:M/Au:N/C:P/I:N/A:N | LOCAL | MEDIUM | NONE | PARTIAL | NONE | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dee1f973ca341c266229faa5a1a5bb268bed3531', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dee1f973ca341c266229faa5a1a5bb268bed3531', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531', 'name': 'https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/10/25/1', 'name': '[oss-security] 20121025 CVE-2012-4508 -- kernel: ext4: AIO vs fallocate stale data exposure', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=869904', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=869904', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2012-1540.html', 'name': 'RHSA-2012:1540', 'refsource': 'REDHAT', 'tags': []}, {'url': 'https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html', 'name': 'SUSE-SU-2012:1679', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1645-1', 'name': 'USN-1645-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0496.html', 'name': 'RHSA-2013:0496', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1899-1', 'name': 'USN-1899-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1900-1', 'name': 'USN-1900-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html', 'name': 'FEDORA-2012-17479', 'refsource': 'FEDORA', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-1783.html', 'name': 'RHSA-2013:1783', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-1519.html', 'name': 'RHSA-2013:1519', 'refsource': 'REDHAT', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-362'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.'}] | 2014-01-08T04:32Z | 2012-12-21T11:47Z | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. |
This can have security implications when the expected synchronization is in security-critical code, such as recording whether a user is authenticated or modifying important state information that should not be influenced by an outsider.
A race condition occurs within concurrent environments, and is effectively a property of a code sequence. Depending on the context, a code sequence may be in the form of a function call, a small number of instructions, a series of program invocations, etc.
A race condition violates these properties, which are closely related:
Exclusivity - the code sequence is given exclusive access to the shared resource, i.e., no other code sequence can modify properties of the shared resource before the original sequence has completed execution.
Atomicity - the code sequence is behaviorally atomic, i.e., no other thread or process can concurrently execute the same sequence of instructions (or a subset) against the same resource.
A race condition exists when an "interfering code sequence" can still access the shared resource, violating exclusivity. Programmers may assume that certain code sequences execute too quickly to be affected by an interfering code sequence; when they are not, this violates atomicity. For example, the single "x++" statement may appear atomic at the code layer, but it is actually non-atomic at the instruction layer, since it involves a read (the original value of x), followed by a computation (x+1), followed by a write (save the result to x).
The interfering code sequence could be "trusted" or "untrusted." A trusted interfering code sequence occurs within the program; it cannot be modified by the attacker, and it can only be invoked indirectly. An untrusted interfering code sequence can be authored directly by the attacker, and typically it is external to the vulnerable program.
| https://cwe.mitre.org/data/definitions/362.html | 0 | Dmitry Monakhov | 2012-10-10 01:04:58-04:00 | ext4: race-condition protection for ext4_convert_unwritten_extents_endio
We assumed that at the time we call ext4_convert_unwritten_extents_endio()
extent in question is fully inside [map.m_lblk, map->m_len] because
it was already split during submission. But this may not be true due to
a race between writeback vs fallocate.
If extent in question is larger than requested we will split it again.
Special precautions should being done if zeroout required because
[map.m_lblk, map->m_len] already contains valid data.
Signed-off-by: Dmitry Monakhov <[email protected]>
Signed-off-by: "Theodore Ts'o" <[email protected]>
Cc: [email protected] | dee1f973ca341c266229faa5a1a5bb268bed3531 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | ext4_split_extent | ext4_split_extent( handle_t * handle , struct inode * inode , struct ext4_ext_path * path , struct ext4_map_blocks * map , int split_flag , int flags) | ['handle', 'inode', 'path', 'map', 'split_flag', 'flags'] | static int ext4_split_extent(handle_t *handle,
struct inode *inode,
struct ext4_ext_path *path,
struct ext4_map_blocks *map,
int split_flag,
int flags)
{
ext4_lblk_t ee_block;
struct ext4_extent *ex;
unsigned int ee_len, depth;
int err = 0;
int uninitialized;
int split_flag1, flags1;
depth = ext_depth(inode);
ex = path[depth].p_ext;
ee_block = le32_to_cpu(ex->ee_block);
ee_len = ext4_ext_get_actual_len(ex);
uninitialized = ext4_ext_is_uninitialized(ex);
if (map->m_lblk + map->m_len < ee_block + ee_len) {
split_flag1 = split_flag & EXT4_EXT_MAY_ZEROOUT ?
EXT4_EXT_MAY_ZEROOUT : 0;
flags1 = flags | EXT4_GET_BLOCKS_PRE_IO;
if (uninitialized)
split_flag1 |= EXT4_EXT_MARK_UNINIT1 |
EXT4_EXT_MARK_UNINIT2;
err = ext4_split_extent_at(handle, inode, path,
map->m_lblk + map->m_len, split_flag1, flags1);
if (err)
goto out;
}
ext4_ext_drop_refs(path);
path = ext4_ext_find_extent(inode, map->m_lblk, path);
if (IS_ERR(path))
return PTR_ERR(path);
if (map->m_lblk >= ee_block) {
split_flag1 = split_flag & EXT4_EXT_MAY_ZEROOUT ?
EXT4_EXT_MAY_ZEROOUT : 0;
if (uninitialized)
split_flag1 |= EXT4_EXT_MARK_UNINIT1;
if (split_flag & EXT4_EXT_MARK_UNINIT2)
split_flag1 |= EXT4_EXT_MARK_UNINIT2;
err = ext4_split_extent_at(handle, inode, path,
map->m_lblk, split_flag1, flags);
if (err)
goto out;
}
ext4_ext_show_leaf(inode, path);
out:
return err ? err : map->m_len;
} | 280 | True | 1 |
|
CVE-2012-4508 | False | False | False | False | AV:L/AC:M/Au:N/C:P/I:N/A:N | LOCAL | MEDIUM | NONE | PARTIAL | NONE | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dee1f973ca341c266229faa5a1a5bb268bed3531', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dee1f973ca341c266229faa5a1a5bb268bed3531', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531', 'name': 'https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/10/25/1', 'name': '[oss-security] 20121025 CVE-2012-4508 -- kernel: ext4: AIO vs fallocate stale data exposure', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=869904', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=869904', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2012-1540.html', 'name': 'RHSA-2012:1540', 'refsource': 'REDHAT', 'tags': []}, {'url': 'https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html', 'name': 'SUSE-SU-2012:1679', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1645-1', 'name': 'USN-1645-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0496.html', 'name': 'RHSA-2013:0496', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1899-1', 'name': 'USN-1899-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1900-1', 'name': 'USN-1900-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html', 'name': 'FEDORA-2012-17479', 'refsource': 'FEDORA', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-1783.html', 'name': 'RHSA-2013:1783', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-1519.html', 'name': 'RHSA-2013:1519', 'refsource': 'REDHAT', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-362'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.36:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.38:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.37:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.44:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.40:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.33:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc7:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.4.15', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.'}] | 2014-01-08T04:32Z | 2012-12-21T11:47Z | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. |
This can have security implications when the expected synchronization is in security-critical code, such as recording whether a user is authenticated or modifying important state information that should not be influenced by an outsider.
A race condition occurs within concurrent environments, and is effectively a property of a code sequence. Depending on the context, a code sequence may be in the form of a function call, a small number of instructions, a series of program invocations, etc.
A race condition violates these properties, which are closely related:
Exclusivity - the code sequence is given exclusive access to the shared resource, i.e., no other code sequence can modify properties of the shared resource before the original sequence has completed execution.
Atomicity - the code sequence is behaviorally atomic, i.e., no other thread or process can concurrently execute the same sequence of instructions (or a subset) against the same resource.
A race condition exists when an "interfering code sequence" can still access the shared resource, violating exclusivity. Programmers may assume that certain code sequences execute too quickly to be affected by an interfering code sequence; when they are not, this violates atomicity. For example, the single "x++" statement may appear atomic at the code layer, but it is actually non-atomic at the instruction layer, since it involves a read (the original value of x), followed by a computation (x+1), followed by a write (save the result to x).
The interfering code sequence could be "trusted" or "untrusted." A trusted interfering code sequence occurs within the program; it cannot be modified by the attacker, and it can only be invoked indirectly. An untrusted interfering code sequence can be authored directly by the attacker, and typically it is external to the vulnerable program.
| https://cwe.mitre.org/data/definitions/362.html | 0 | Dmitry Monakhov | 2012-10-10 01:04:58-04:00 | ext4: race-condition protection for ext4_convert_unwritten_extents_endio
We assumed that at the time we call ext4_convert_unwritten_extents_endio()
extent in question is fully inside [map.m_lblk, map->m_len] because
it was already split during submission. But this may not be true due to
a race between writeback vs fallocate.
If extent in question is larger than requested we will split it again.
Special precautions should being done if zeroout required because
[map.m_lblk, map->m_len] already contains valid data.
Signed-off-by: Dmitry Monakhov <[email protected]>
Signed-off-by: "Theodore Ts'o" <[email protected]>
Cc: [email protected] | dee1f973ca341c266229faa5a1a5bb268bed3531 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | ext4_split_extent_at | ext4_split_extent_at( handle_t * handle , struct inode * inode , struct ext4_ext_path * path , ext4_lblk_t split , int split_flag , int flags) | ['handle', 'inode', 'path', 'split', 'split_flag', 'flags'] | static int ext4_split_extent_at(handle_t *handle,
struct inode *inode,
struct ext4_ext_path *path,
ext4_lblk_t split,
int split_flag,
int flags)
{
ext4_fsblk_t newblock;
ext4_lblk_t ee_block;
struct ext4_extent *ex, newex, orig_ex;
struct ext4_extent *ex2 = NULL;
unsigned int ee_len, depth;
int err = 0;
ext_debug("ext4_split_extents_at: inode %lu, logical"
"block %llu\n", inode->i_ino, (unsigned long long)split);
ext4_ext_show_leaf(inode, path);
depth = ext_depth(inode);
ex = path[depth].p_ext;
ee_block = le32_to_cpu(ex->ee_block);
ee_len = ext4_ext_get_actual_len(ex);
newblock = split - ee_block + ext4_ext_pblock(ex);
BUG_ON(split < ee_block || split >= (ee_block + ee_len));
err = ext4_ext_get_access(handle, inode, path + depth);
if (err)
goto out;
if (split == ee_block) {
/*
* case b: block @split is the block that the extent begins with
* then we just change the state of the extent, and splitting
* is not needed.
*/
if (split_flag & EXT4_EXT_MARK_UNINIT2)
ext4_ext_mark_uninitialized(ex);
else
ext4_ext_mark_initialized(ex);
if (!(flags & EXT4_GET_BLOCKS_PRE_IO))
ext4_ext_try_to_merge(handle, inode, path, ex);
err = ext4_ext_dirty(handle, inode, path + path->p_depth);
goto out;
}
/* case a */
memcpy(&orig_ex, ex, sizeof(orig_ex));
ex->ee_len = cpu_to_le16(split - ee_block);
if (split_flag & EXT4_EXT_MARK_UNINIT1)
ext4_ext_mark_uninitialized(ex);
/*
* path may lead to new leaf, not to original leaf any more
* after ext4_ext_insert_extent() returns,
*/
err = ext4_ext_dirty(handle, inode, path + depth);
if (err)
goto fix_extent_len;
ex2 = &newex;
ex2->ee_block = cpu_to_le32(split);
ex2->ee_len = cpu_to_le16(ee_len - (split - ee_block));
ext4_ext_store_pblock(ex2, newblock);
if (split_flag & EXT4_EXT_MARK_UNINIT2)
ext4_ext_mark_uninitialized(ex2);
err = ext4_ext_insert_extent(handle, inode, path, &newex, flags);
if (err == -ENOSPC && (EXT4_EXT_MAY_ZEROOUT & split_flag)) {
err = ext4_ext_zeroout(inode, &orig_ex);
if (err)
goto fix_extent_len;
/* update the extent length and mark as initialized */
ex->ee_len = cpu_to_le16(ee_len);
ext4_ext_try_to_merge(handle, inode, path, ex);
err = ext4_ext_dirty(handle, inode, path + path->p_depth);
goto out;
} else if (err)
goto fix_extent_len;
out:
ext4_ext_show_leaf(inode, path);
return err;
fix_extent_len:
ex->ee_len = orig_ex.ee_len;
ext4_ext_dirty(handle, inode, path + depth);
return err;
} | 457 | True | 1 |
|
CVE-2012-4508 | False | False | False | False | AV:L/AC:M/Au:N/C:P/I:N/A:N | LOCAL | MEDIUM | NONE | PARTIAL | NONE | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dee1f973ca341c266229faa5a1a5bb268bed3531', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dee1f973ca341c266229faa5a1a5bb268bed3531', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531', 'name': 'https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2012/10/25/1', 'name': '[oss-security] 20121025 CVE-2012-4508 -- kernel: ext4: AIO vs fallocate stale data exposure', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=869904', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=869904', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2012-1540.html', 'name': 'RHSA-2012:1540', 'refsource': 'REDHAT', 'tags': []}, {'url': 'https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html', 'name': 'SUSE-SU-2012:1679', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1645-1', 'name': 'USN-1645-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0496.html', 'name': 'RHSA-2013:0496', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1899-1', 'name': 'USN-1899-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1900-1', 'name': 'USN-1900-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html', 'name': 'FEDORA-2012-17479', 'refsource': 'FEDORA', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-1783.html', 'name': 'RHSA-2013:1783', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-1519.html', 'name': 'RHSA-2013:1519', 'refsource': 'REDHAT', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-362'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*', 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.'}] | 2014-01-08T04:32Z | 2012-12-21T11:47Z | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. |
This can have security implications when the expected synchronization is in security-critical code, such as recording whether a user is authenticated or modifying important state information that should not be influenced by an outsider.
A race condition occurs within concurrent environments, and is effectively a property of a code sequence. Depending on the context, a code sequence may be in the form of a function call, a small number of instructions, a series of program invocations, etc.
A race condition violates these properties, which are closely related:
Exclusivity - the code sequence is given exclusive access to the shared resource, i.e., no other code sequence can modify properties of the shared resource before the original sequence has completed execution.
Atomicity - the code sequence is behaviorally atomic, i.e., no other thread or process can concurrently execute the same sequence of instructions (or a subset) against the same resource.
A race condition exists when an "interfering code sequence" can still access the shared resource, violating exclusivity. Programmers may assume that certain code sequences execute too quickly to be affected by an interfering code sequence; when they are not, this violates atomicity. For example, the single "x++" statement may appear atomic at the code layer, but it is actually non-atomic at the instruction layer, since it involves a read (the original value of x), followed by a computation (x+1), followed by a write (save the result to x).
The interfering code sequence could be "trusted" or "untrusted." A trusted interfering code sequence occurs within the program; it cannot be modified by the attacker, and it can only be invoked indirectly. An untrusted interfering code sequence can be authored directly by the attacker, and typically it is external to the vulnerable program.
| https://cwe.mitre.org/data/definitions/362.html | 0 | Dmitry Monakhov | 2012-10-10 01:04:58-04:00 | ext4: race-condition protection for ext4_convert_unwritten_extents_endio
We assumed that at the time we call ext4_convert_unwritten_extents_endio()
extent in question is fully inside [map.m_lblk, map->m_len] because
it was already split during submission. But this may not be true due to
a race between writeback vs fallocate.
If extent in question is larger than requested we will split it again.
Special precautions should being done if zeroout required because
[map.m_lblk, map->m_len] already contains valid data.
Signed-off-by: Dmitry Monakhov <[email protected]>
Signed-off-by: "Theodore Ts'o" <[email protected]>
Cc: [email protected] | dee1f973ca341c266229faa5a1a5bb268bed3531 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | ext4_split_unwritten_extents | ext4_split_unwritten_extents( handle_t * handle , struct inode * inode , struct ext4_map_blocks * map , struct ext4_ext_path * path , int flags) | ['handle', 'inode', 'map', 'path', 'flags'] | static int ext4_split_unwritten_extents(handle_t *handle,
struct inode *inode,
struct ext4_map_blocks *map,
struct ext4_ext_path *path,
int flags)
{
ext4_lblk_t eof_block;
ext4_lblk_t ee_block;
struct ext4_extent *ex;
unsigned int ee_len;
int split_flag = 0, depth;
ext_debug("ext4_split_unwritten_extents: inode %lu, logical"
"block %llu, max_blocks %u\n", inode->i_ino,
(unsigned long long)map->m_lblk, map->m_len);
eof_block = (inode->i_size + inode->i_sb->s_blocksize - 1) >>
inode->i_sb->s_blocksize_bits;
if (eof_block < map->m_lblk + map->m_len)
eof_block = map->m_lblk + map->m_len;
/*
* It is safe to convert extent to initialized via explicit
* zeroout only if extent is fully insde i_size or new_size.
*/
depth = ext_depth(inode);
ex = path[depth].p_ext;
ee_block = le32_to_cpu(ex->ee_block);
ee_len = ext4_ext_get_actual_len(ex);
split_flag |= ee_block + ee_len <= eof_block ? EXT4_EXT_MAY_ZEROOUT : 0;
split_flag |= EXT4_EXT_MARK_UNINIT2;
flags |= EXT4_GET_BLOCKS_PRE_IO;
return ext4_split_extent(handle, inode, path, map, split_flag, flags);
} | 184 | True | 1 |
|
CVE-2012-0957 | False | False | False | False | AV:L/AC:L/Au:N/C:C/I:N/A:N | LOCAL | LOW | NONE | COMPLETE | NONE | NONE | 4.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2012/10/09/4', 'name': '[oss-security] 20121009 Linux kernel stack memory content leak via UNAME26', 'refsource': 'MLIST', 'tags': ['Exploit']}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2702b1526c7278c4d65d78de209a465d4de2885e', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2702b1526c7278c4d65d78de209a465d4de2885e', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=862877', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=862877', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/2702b1526c7278c4d65d78de209a465d4de2885e', 'name': 'https://github.com/torvalds/linux/commit/2702b1526c7278c4d65d78de209a465d4de2885e', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1648-1', 'name': 'USN-1648-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1644-1', 'name': 'USN-1644-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1647-1', 'name': 'USN-1647-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1649-1', 'name': 'USN-1649-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1646-1', 'name': 'USN-1646-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1645-1', 'name': 'USN-1645-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1652-1', 'name': 'USN-1652-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://secunia.com/advisories/51409', 'name': '51409', 'refsource': 'SECUNIA', 'tags': []}, {'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html', 'name': 'FEDORA-2012-17479', 'refsource': 'FEDORA', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-16'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:x86:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The override_release function in kernel/sys.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from kernel stack memory via a uname system call in conjunction with a UNAME26 personality.'}] | 2013-08-22T03:51Z | 2012-12-21T11:47Z | Configuration | Weaknesses in this category are typically introduced during the configuration of the software. | https://cwe.mitre.org/data/definitions/16.html | 1 | Kees Cook | 2012-10-19 13:56:51-07:00 | kernel/sys.c: fix stack memory content leak via UNAME26
Calling uname() with the UNAME26 personality set allows a leak of kernel
stack contents. This fixes it by defensively calculating the length of
copy_to_user() call, making the len argument unsigned, and initializing
the stack buffer to zero (now technically unneeded, but hey, overkill).
CVE-2012-0957
Reported-by: PaX Team <[email protected]>
Signed-off-by: Kees Cook <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: PaX Team <[email protected]>
Cc: Brad Spengler <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]> | 2702b1526c7278c4d65d78de209a465d4de2885e | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | override_release | override_release( char __user * release , int len) | ['release', 'len'] | static int override_release(char __user *release, int len)
{
int ret = 0;
char buf[65];
if (current->personality & UNAME26) {
char *rest = UTS_RELEASE;
int ndots = 0;
unsigned v;
while (*rest) {
if (*rest == '.' && ++ndots >= 3)
break;
if (!isdigit(*rest) && *rest != '.')
break;
rest++;
}
v = ((LINUX_VERSION_CODE >> 8) & 0xff) + 40;
snprintf(buf, len, "2.6.%u%s", v, rest);
ret = copy_to_user(release, buf, len);
}
return ret;
} | 129 | True | 1 |
||
CVE-2012-4565 | False | False | False | False | AV:L/AC:M/Au:N/C:N/I:N/A:C | LOCAL | MEDIUM | NONE | NONE | NONE | COMPLETE | 4.7 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664', 'refsource': 'CONFIRM', 'tags': ['Exploit']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.19', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.19', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=871848', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=871848', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2012/10/31/5', 'name': '[oss-security] 20121031 Re: CVE Request -- kernel: net: divide by zero in tcp algorithm illinois', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664', 'name': 'https://github.com/torvalds/linux/commit/8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664', 'refsource': 'CONFIRM', 'tags': ['Exploit']}, {'url': 'http://www.ubuntu.com/usn/USN-1648-1', 'name': 'USN-1648-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1644-1', 'name': 'USN-1644-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1647-1', 'name': 'USN-1647-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1649-1', 'name': 'USN-1649-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1646-1', 'name': 'USN-1646-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1645-1', 'name': 'USN-1645-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1652-1', 'name': 'USN-1652-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2012-1580.html', 'name': 'RHSA-2012:1580', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1651-1', 'name': 'USN-1651-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1650-1', 'name': 'USN-1650-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.securityfocus.com/bid/56346', 'name': '56346', 'refsource': 'BID', 'tags': []}, {'url': 'http://secunia.com/advisories/51409', 'name': '51409', 'refsource': 'SECUNIA', 'tags': []}, {'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html', 'name': 'FEDORA-2012-17479', 'refsource': 'FEDORA', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-189'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.4.18', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The tcp_illinois_info function in net/ipv4/tcp_illinois.c in the Linux kernel before 3.4.19, when the net.ipv4.tcp_congestion_control illinois setting is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) by reading TCP stats.'}] | 2013-08-22T03:58Z | 2012-12-21T11:47Z | Numeric Errors | Weaknesses in this category are related to improper calculation or conversion of numbers. | https://cwe.mitre.org/data/definitions/189.html | 1 | Jesper Dangaard Brouer | 2012-10-31 02:45:32+00:00 | net: fix divide by zero in tcp algorithm illinois
Reading TCP stats when using TCP Illinois congestion control algorithm
can cause a divide by zero kernel oops.
The division by zero occur in tcp_illinois_info() at:
do_div(t, ca->cnt_rtt);
where ca->cnt_rtt can become zero (when rtt_reset is called)
Steps to Reproduce:
1. Register tcp_illinois:
# sysctl -w net.ipv4.tcp_congestion_control=illinois
2. Monitor internal TCP information via command "ss -i"
# watch -d ss -i
3. Establish new TCP conn to machine
Either it fails at the initial conn, or else it needs to wait
for a loss or a reset.
This is only related to reading stats. The function avg_delay() also
performs the same divide, but is guarded with a (ca->cnt_rtt > 0) at its
calling point in update_params(). Thus, simply fix tcp_illinois_info().
Function tcp_illinois_info() / get_info() is called without
socket lock. Thus, eliminate any race condition on ca->cnt_rtt
by using a local stack variable. Simply reuse info.tcpv_rttcnt,
as its already set to ca->cnt_rtt.
Function avg_delay() is not affected by this race condition, as
its called with the socket lock.
Cc: Petr Matousek <[email protected]>
Signed-off-by: Jesper Dangaard Brouer <[email protected]>
Acked-by: Eric Dumazet <[email protected]>
Acked-by: Stephen Hemminger <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | tcp_illinois_info | tcp_illinois_info( struct sock * sk , u32 ext , struct sk_buff * skb) | ['sk', 'ext', 'skb'] | static void tcp_illinois_info(struct sock *sk, u32 ext,
struct sk_buff *skb)
{
const struct illinois *ca = inet_csk_ca(sk);
if (ext & (1 << (INET_DIAG_VEGASINFO - 1))) {
struct tcpvegas_info info = {
.tcpv_enabled = 1,
.tcpv_rttcnt = ca->cnt_rtt,
.tcpv_minrtt = ca->base_rtt,
};
u64 t = ca->sum_rtt;
do_div(t, ca->cnt_rtt);
info.tcpv_rtt = t;
nla_put(skb, INET_DIAG_VEGASINFO, sizeof(info), &info);
}
} | 108 | True | 1 |
||
CVE-2012-5532 | False | False | False | False | AV:L/AC:L/Au:N/C:N/I:N/A:C | LOCAL | LOW | NONE | NONE | NONE | COMPLETE | 4.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/testing/', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/testing/', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/95a69adab9acfc3981c504737a2b6578e4d846ef', 'name': 'https://github.com/torvalds/linux/commit/95a69adab9acfc3981c504737a2b6578e4d846ef', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.novell.com/show_bug.cgi?id=761200', 'name': 'https://bugzilla.novell.com/show_bug.cgi?id=761200', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=95a69adab9acfc3981c504737a2b6578e4d846ef', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=95a69adab9acfc3981c504737a2b6578e4d846ef', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=877572', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=877572', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2012/11/27/12', 'name': '[oss-security] 20121127 Re: CVE-2012-5532 hypervkvpd DoS', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.securityfocus.com/bid/56710', 'name': '56710', 'refsource': 'BID', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0807.html', 'name': 'RHSA-2013:0807', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'https://exchange.xforce.ibmcloud.com/vulnerabilities/80337', 'name': 'kernel-hypervkvpd-dos(80337)', 'refsource': 'XF', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'NVD-CWE-noinfo'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.35:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.36:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.38:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The main function in tools/hv/hv_kvp_daemon.c in hypervkvpd, as distributed in the Linux kernel before 3.8-rc1, allows local users to cause a denial of service (daemon exit) via a crafted application that sends a Netlink message. NOTE: this vulnerability exists because of an incorrect fix for CVE-2012-2669.'}] | 2017-08-29T01:32Z | 2012-12-27T11:47Z | Insufficient Information | There is insufficient information about the issue to classify it; details are unkown or unspecified. | Insufficient Information | https://nvd.nist.gov/vuln/categories | 0 | Tomas Hozza | 2012-11-08 10:53:29+01:00 | tools: hv: Netlink source address validation allows DoS
The source code without this patch caused hypervkvpd to exit when it processed
a spoofed Netlink packet which has been sent from an untrusted local user.
Now Netlink messages with a non-zero nl_pid source address are ignored
and a warning is printed into the syslog.
Signed-off-by: Tomas Hozza <[email protected]>
Acked-by: K. Y. Srinivasan <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]> | 95a69adab9acfc3981c504737a2b6578e4d846ef | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | main | main( void) | ['void'] | int main(void)
{
int fd, len, sock_opt;
int error;
struct cn_msg *message;
struct pollfd pfd;
struct nlmsghdr *incoming_msg;
struct cn_msg *incoming_cn_msg;
struct hv_kvp_msg *hv_msg;
char *p;
char *key_value;
char *key_name;
int op;
int pool;
char *if_name;
struct hv_kvp_ipaddr_value *kvp_ip_val;
daemon(1, 0);
openlog("KVP", 0, LOG_USER);
syslog(LOG_INFO, "KVP starting; pid is:%d", getpid());
/*
* Retrieve OS release information.
*/
kvp_get_os_info();
if (kvp_file_init()) {
syslog(LOG_ERR, "Failed to initialize the pools");
exit(EXIT_FAILURE);
}
fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
if (fd < 0) {
syslog(LOG_ERR, "netlink socket creation failed; error:%d", fd);
exit(EXIT_FAILURE);
}
addr.nl_family = AF_NETLINK;
addr.nl_pad = 0;
addr.nl_pid = 0;
addr.nl_groups = CN_KVP_IDX;
error = bind(fd, (struct sockaddr *)&addr, sizeof(addr));
if (error < 0) {
syslog(LOG_ERR, "bind failed; error:%d", error);
close(fd);
exit(EXIT_FAILURE);
}
sock_opt = addr.nl_groups;
setsockopt(fd, 270, 1, &sock_opt, sizeof(sock_opt));
/*
* Register ourselves with the kernel.
*/
message = (struct cn_msg *)kvp_send_buffer;
message->id.idx = CN_KVP_IDX;
message->id.val = CN_KVP_VAL;
hv_msg = (struct hv_kvp_msg *)message->data;
hv_msg->kvp_hdr.operation = KVP_OP_REGISTER1;
message->ack = 0;
message->len = sizeof(struct hv_kvp_msg);
len = netlink_send(fd, message);
if (len < 0) {
syslog(LOG_ERR, "netlink_send failed; error:%d", len);
close(fd);
exit(EXIT_FAILURE);
}
pfd.fd = fd;
while (1) {
struct sockaddr *addr_p = (struct sockaddr *) &addr;
socklen_t addr_l = sizeof(addr);
pfd.events = POLLIN;
pfd.revents = 0;
poll(&pfd, 1, -1);
len = recvfrom(fd, kvp_recv_buffer, sizeof(kvp_recv_buffer), 0,
addr_p, &addr_l);
if (len < 0 || addr.nl_pid) {
syslog(LOG_ERR, "recvfrom failed; pid:%u error:%d %s",
addr.nl_pid, errno, strerror(errno));
close(fd);
return -1;
}
incoming_msg = (struct nlmsghdr *)kvp_recv_buffer;
incoming_cn_msg = (struct cn_msg *)NLMSG_DATA(incoming_msg);
hv_msg = (struct hv_kvp_msg *)incoming_cn_msg->data;
/*
* We will use the KVP header information to pass back
* the error from this daemon. So, first copy the state
* and set the error code to success.
*/
op = hv_msg->kvp_hdr.operation;
pool = hv_msg->kvp_hdr.pool;
hv_msg->error = HV_S_OK;
if ((in_hand_shake) && (op == KVP_OP_REGISTER1)) {
/*
* Driver is registering with us; stash away the version
* information.
*/
in_hand_shake = 0;
p = (char *)hv_msg->body.kvp_register.version;
lic_version = malloc(strlen(p) + 1);
if (lic_version) {
strcpy(lic_version, p);
syslog(LOG_INFO, "KVP LIC Version: %s",
lic_version);
} else {
syslog(LOG_ERR, "malloc failed");
}
continue;
}
switch (op) {
case KVP_OP_GET_IP_INFO:
kvp_ip_val = &hv_msg->body.kvp_ip_val;
if_name =
kvp_mac_to_if_name((char *)kvp_ip_val->adapter_id);
if (if_name == NULL) {
/*
* We could not map the mac address to an
* interface name; return error.
*/
hv_msg->error = HV_E_FAIL;
break;
}
error = kvp_get_ip_info(
0, if_name, KVP_OP_GET_IP_INFO,
kvp_ip_val,
(MAX_IP_ADDR_SIZE * 2));
if (error)
hv_msg->error = error;
free(if_name);
break;
case KVP_OP_SET_IP_INFO:
kvp_ip_val = &hv_msg->body.kvp_ip_val;
if_name = kvp_get_if_name(
(char *)kvp_ip_val->adapter_id);
if (if_name == NULL) {
/*
* We could not map the guid to an
* interface name; return error.
*/
hv_msg->error = HV_GUID_NOTFOUND;
break;
}
error = kvp_set_ip_info(if_name, kvp_ip_val);
if (error)
hv_msg->error = error;
free(if_name);
break;
case KVP_OP_SET:
if (kvp_key_add_or_modify(pool,
hv_msg->body.kvp_set.data.key,
hv_msg->body.kvp_set.data.key_size,
hv_msg->body.kvp_set.data.value,
hv_msg->body.kvp_set.data.value_size))
hv_msg->error = HV_S_CONT;
break;
case KVP_OP_GET:
if (kvp_get_value(pool,
hv_msg->body.kvp_set.data.key,
hv_msg->body.kvp_set.data.key_size,
hv_msg->body.kvp_set.data.value,
hv_msg->body.kvp_set.data.value_size))
hv_msg->error = HV_S_CONT;
break;
case KVP_OP_DELETE:
if (kvp_key_delete(pool,
hv_msg->body.kvp_delete.key,
hv_msg->body.kvp_delete.key_size))
hv_msg->error = HV_S_CONT;
break;
default:
break;
}
if (op != KVP_OP_ENUMERATE)
goto kvp_done;
/*
* If the pool is KVP_POOL_AUTO, dynamically generate
* both the key and the value; if not read from the
* appropriate pool.
*/
if (pool != KVP_POOL_AUTO) {
if (kvp_pool_enumerate(pool,
hv_msg->body.kvp_enum_data.index,
hv_msg->body.kvp_enum_data.data.key,
HV_KVP_EXCHANGE_MAX_KEY_SIZE,
hv_msg->body.kvp_enum_data.data.value,
HV_KVP_EXCHANGE_MAX_VALUE_SIZE))
hv_msg->error = HV_S_CONT;
goto kvp_done;
}
hv_msg = (struct hv_kvp_msg *)incoming_cn_msg->data;
key_name = (char *)hv_msg->body.kvp_enum_data.data.key;
key_value = (char *)hv_msg->body.kvp_enum_data.data.value;
switch (hv_msg->body.kvp_enum_data.index) {
case FullyQualifiedDomainName:
kvp_get_domain_name(key_value,
HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
strcpy(key_name, "FullyQualifiedDomainName");
break;
case IntegrationServicesVersion:
strcpy(key_name, "IntegrationServicesVersion");
strcpy(key_value, lic_version);
break;
case NetworkAddressIPv4:
kvp_get_ip_info(AF_INET, NULL, KVP_OP_ENUMERATE,
key_value, HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
strcpy(key_name, "NetworkAddressIPv4");
break;
case NetworkAddressIPv6:
kvp_get_ip_info(AF_INET6, NULL, KVP_OP_ENUMERATE,
key_value, HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
strcpy(key_name, "NetworkAddressIPv6");
break;
case OSBuildNumber:
strcpy(key_value, os_build);
strcpy(key_name, "OSBuildNumber");
break;
case OSName:
strcpy(key_value, os_name);
strcpy(key_name, "OSName");
break;
case OSMajorVersion:
strcpy(key_value, os_major);
strcpy(key_name, "OSMajorVersion");
break;
case OSMinorVersion:
strcpy(key_value, os_minor);
strcpy(key_name, "OSMinorVersion");
break;
case OSVersion:
strcpy(key_value, os_version);
strcpy(key_name, "OSVersion");
break;
case ProcessorArchitecture:
strcpy(key_value, processor_arch);
strcpy(key_name, "ProcessorArchitecture");
break;
default:
hv_msg->error = HV_S_CONT;
break;
}
/*
* Send the value back to the kernel. The response is
* already in the receive buffer. Update the cn_msg header to
* reflect the key value that has been added to the message
*/
kvp_done:
incoming_cn_msg->id.idx = CN_KVP_IDX;
incoming_cn_msg->id.val = CN_KVP_VAL;
incoming_cn_msg->ack = 0;
incoming_cn_msg->len = sizeof(struct hv_kvp_msg);
len = netlink_send(fd, incoming_cn_msg);
if (len < 0) {
syslog(LOG_ERR, "net_link send failed; error:%d", len);
exit(EXIT_FAILURE);
}
}
} | 1290 | True | 1 |
|
CVE-2013-0311 | False | False | False | False | AV:A/AC:H/Au:S/C:C/I:C/A:C | ADJACENT_NETWORK | HIGH | SINGLE | COMPLETE | COMPLETE | COMPLETE | 6.5 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/bd97120fc3d1a11f3124c7c9ba1d91f51829eb85', 'name': 'https://github.com/torvalds/linux/commit/bd97120fc3d1a11f3124c7c9ba1d91f51829eb85', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/20/6', 'name': '[oss-security] 20130219 Re: CVE request -- Linux kernel: vhost: fix length for cross region descriptor', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.7.bz2', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.7.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=912905', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=912905', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bd97120fc3d1a11f3124c7c9ba1d91f51829eb85', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bd97120fc3d1a11f3124c7c9ba1d91f51829eb85', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0496.html', 'name': 'RHSA-2013:0496', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0579.html', 'name': 'RHSA-2013:0579', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0882.html', 'name': 'RHSA-2013:0882', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0928.html', 'name': 'RHSA-2013:0928', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html', 'name': 'openSUSE-SU-2013:1187', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'NVD-CWE-Other'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.38:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.35:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.36:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.6.11', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.42:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.34:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.32:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.37:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The translate_desc function in drivers/vhost/vhost.c in the Linux kernel before 3.7 does not properly handle cross-region descriptors, which allows guest OS users to obtain host OS privileges by leveraging KVM guest OS privileges.'}] | 2019-04-22T17:48Z | 2013-02-22T00:55Z | Other | NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset. | Insufficient Information | https://nvd.nist.gov/vuln/categories | 0 | Michael S. Tsirkin | 2012-11-26 05:57:27+00:00 | vhost: fix length for cross region descriptor
If a single descriptor crosses a region, the
second chunk length should be decremented
by size translated so far, instead it includes
the full descriptor length.
Signed-off-by: Michael S. Tsirkin <[email protected]>
Acked-by: Jason Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | bd97120fc3d1a11f3124c7c9ba1d91f51829eb85 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | translate_desc | translate_desc( struct vhost_dev * dev , u64 addr , u32 len , struct iovec iov [ ] , int iov_size) | ['dev', 'addr', 'len', 'iov_size'] | static int translate_desc(struct vhost_dev *dev, u64 addr, u32 len,
struct iovec iov[], int iov_size)
{
const struct vhost_memory_region *reg;
struct vhost_memory *mem;
struct iovec *_iov;
u64 s = 0;
int ret = 0;
rcu_read_lock();
mem = rcu_dereference(dev->memory);
while ((u64)len > s) {
u64 size;
if (unlikely(ret >= iov_size)) {
ret = -ENOBUFS;
break;
}
reg = find_region(mem, addr, len);
if (unlikely(!reg)) {
ret = -EFAULT;
break;
}
_iov = iov + ret;
size = reg->memory_size - addr + reg->guest_phys_addr;
_iov->iov_len = min((u64)len, size);
_iov->iov_base = (void __user *)(unsigned long)
(reg->userspace_addr + addr - reg->guest_phys_addr);
s += size;
addr += size;
++ret;
}
rcu_read_unlock();
return ret;
} | 198 | True | 1 |
|
CVE-2013-4591 | False | False | False | False | AV:L/AC:H/Au:N/C:C/I:C/A:C | LOCAL | HIGH | NONE | COMPLETE | COMPLETE | COMPLETE | 6.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/7d3e91a89b7adbc2831334def9e494dd9892f9af', 'name': 'https://github.com/torvalds/linux/commit/7d3e91a89b7adbc2831334def9e494dd9892f9af', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d3e91a89b7adbc2831334def9e494dd9892f9af', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d3e91a89b7adbc2831334def9e494dd9892f9af', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.2', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.2', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/11/18/2', 'name': '[oss-security] 20131118 CVE-2013-4591 -- Linux kernel: kernel: nfs: missing check for buffer length in __nfs4_get_acl_uncached', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=1031678', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=1031678', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-1645.html', 'name': 'RHSA-2013:1645', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2014-0284.html', 'name': 'RHSA-2014:0284', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.securityfocus.com/bid/63791', 'name': '63791', 'refsource': 'BID', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-119'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Buffer overflow in the __nfs4_get_acl_uncached function in fs/nfs/nfs4proc.c in the Linux kernel before 3.7.2 allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via a getxattr system call for the system.nfs4_acl extended attribute of a pathname on an NFSv4 filesystem.'}] | 2016-12-31T02:59Z | 2013-11-20T13:19Z | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. |
Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.
As a result, an attacker may be able to execute arbitrary code, alter the intended control flow, read sensitive information, or cause the system to crash.
| https://cwe.mitre.org/data/definitions/119.html | 0 | Sven Wegener | 2012-12-08 15:30:18+01:00 | NFSv4: Check for buffer length in __nfs4_get_acl_uncached
Commit 1f1ea6c "NFSv4: Fix buffer overflow checking in
__nfs4_get_acl_uncached" accidently dropped the checking for too small
result buffer length.
If someone uses getxattr on "system.nfs4_acl" on an NFSv4 mount
supporting ACLs, the ACL has not been cached and the buffer suplied is
too short, we still copy the complete ACL, resulting in kernel and user
space memory corruption.
Signed-off-by: Sven Wegener <[email protected]>
Cc: [email protected]
Signed-off-by: Trond Myklebust <[email protected]> | 7d3e91a89b7adbc2831334def9e494dd9892f9af | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | __nfs4_get_acl_uncached | __nfs4_get_acl_uncached( struct inode * inode , void * buf , size_t buflen) | ['inode', 'buf', 'buflen'] | static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t buflen)
{
struct page *pages[NFS4ACL_MAXPAGES] = {NULL, };
struct nfs_getaclargs args = {
.fh = NFS_FH(inode),
.acl_pages = pages,
.acl_len = buflen,
};
struct nfs_getaclres res = {
.acl_len = buflen,
};
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_GETACL],
.rpc_argp = &args,
.rpc_resp = &res,
};
unsigned int npages = DIV_ROUND_UP(buflen, PAGE_SIZE);
int ret = -ENOMEM, i;
/* As long as we're doing a round trip to the server anyway,
* let's be prepared for a page of acl data. */
if (npages == 0)
npages = 1;
if (npages > ARRAY_SIZE(pages))
return -ERANGE;
for (i = 0; i < npages; i++) {
pages[i] = alloc_page(GFP_KERNEL);
if (!pages[i])
goto out_free;
}
/* for decoding across pages */
res.acl_scratch = alloc_page(GFP_KERNEL);
if (!res.acl_scratch)
goto out_free;
args.acl_len = npages * PAGE_SIZE;
args.acl_pgbase = 0;
dprintk("%s buf %p buflen %zu npages %d args.acl_len %zu\n",
__func__, buf, buflen, npages, args.acl_len);
ret = nfs4_call_sync(NFS_SERVER(inode)->client, NFS_SERVER(inode),
&msg, &args.seq_args, &res.seq_res, 0);
if (ret)
goto out_free;
/* Handle the case where the passed-in buffer is too short */
if (res.acl_flags & NFS4_ACL_TRUNC) {
/* Did the user only issue a request for the acl length? */
if (buf == NULL)
goto out_ok;
ret = -ERANGE;
goto out_free;
}
nfs4_write_cached_acl(inode, pages, res.acl_data_offset, res.acl_len);
if (buf)
_copy_from_pages(buf, pages, res.acl_data_offset, res.acl_len);
out_ok:
ret = res.acl_len;
out_free:
for (i = 0; i < npages; i++)
if (pages[i])
__free_page(pages[i]);
if (res.acl_scratch)
__free_page(res.acl_scratch);
return ret;
} | 376 | True | 1 |
|
CVE-2013-4592 | False | False | False | False | AV:L/AC:H/Au:N/C:N/I:N/A:C | LOCAL | HIGH | NONE | NONE | NONE | COMPLETE | 4.0 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=12d6e7538e2d418c08f082b1b44ffa5fb7270ed8', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=12d6e7538e2d418c08f082b1b44ffa5fb7270ed8', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.9.bz2', 'name': 'https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.9.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=1031702', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=1031702', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/11/18/3', 'name': '[oss-security] 20131118 CVE-2013-4592 -- Linux kernel: kvm: memory leak when memory slot is moved with assigned device', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/e40f193f5bb022e927a57a4f5d5194e4f12ddb74', 'name': 'https://github.com/torvalds/linux/commit/e40f193f5bb022e927a57a4f5d5194e4f12ddb74', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'https://github.com/torvalds/linux/commit/12d6e7538e2d418c08f082b1b44ffa5fb7270ed8', 'name': 'https://github.com/torvalds/linux/commit/12d6e7538e2d418c08f082b1b44ffa5fb7270ed8', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e40f193f5bb022e927a57a4f5d5194e4f12ddb74', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e40f193f5bb022e927a57a4f5d5194e4f12ddb74', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-1645.html', 'name': 'RHSA-2013:1645', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2066-1', 'name': 'USN-2066-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2067-1', 'name': 'USN-2067-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2114-1', 'name': 'USN-2114-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2014-02/msg00045.html', 'name': 'openSUSE-SU-2014:0247', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2111-1', 'name': 'USN-2111-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2116-1', 'name': 'USN-2116-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2112-1', 'name': 'USN-2112-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2115-1', 'name': 'USN-2115-1', 'refsource': 'UBUNTU', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-399'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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'cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.66:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.9:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.32:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.8.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.9:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.9:rc6:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Memory leak in the __kvm_set_memory_region function in virt/kvm/kvm_main.c in the Linux kernel before 3.9 allows local users to cause a denial of service (memory consumption) by leveraging certain device access to trigger movement of memory slots.'}] | 2014-03-06T04:47Z | 2013-11-20T13:19Z | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | 1 | Alex Williamson | 2012-12-10 10:32:57-07:00 | KVM: Fix iommu map/unmap to handle memory slot moves
The iommu integration into memory slots expects memory slots to be
added or removed and doesn't handle the move case. We can unmap
slots from the iommu after we mark them invalid and map them before
installing the final memslot array. Also re-order the kmemdup vs
map so we don't leave iommu mappings if we get ENOMEM.
Reviewed-by: Gleb Natapov <[email protected]>
Signed-off-by: Alex Williamson <[email protected]>
Signed-off-by: Marcelo Tosatti <[email protected]> | e40f193f5bb022e927a57a4f5d5194e4f12ddb74 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | __kvm_set_memory_region | __kvm_set_memory_region( struct kvm * kvm , struct kvm_userspace_memory_region * mem , int user_alloc) | ['kvm', 'mem', 'user_alloc'] | int __kvm_set_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
int user_alloc)
{
int r;
gfn_t base_gfn;
unsigned long npages;
struct kvm_memory_slot *memslot, *slot;
struct kvm_memory_slot old, new;
struct kvm_memslots *slots, *old_memslots;
r = check_memory_region_flags(mem);
if (r)
goto out;
r = -EINVAL;
/* General sanity checks */
if (mem->memory_size & (PAGE_SIZE - 1))
goto out;
if (mem->guest_phys_addr & (PAGE_SIZE - 1))
goto out;
/* We can read the guest memory with __xxx_user() later on. */
if (user_alloc &&
((mem->userspace_addr & (PAGE_SIZE - 1)) ||
!access_ok(VERIFY_WRITE,
(void __user *)(unsigned long)mem->userspace_addr,
mem->memory_size)))
goto out;
if (mem->slot >= KVM_MEM_SLOTS_NUM)
goto out;
if (mem->guest_phys_addr + mem->memory_size < mem->guest_phys_addr)
goto out;
memslot = id_to_memslot(kvm->memslots, mem->slot);
base_gfn = mem->guest_phys_addr >> PAGE_SHIFT;
npages = mem->memory_size >> PAGE_SHIFT;
r = -EINVAL;
if (npages > KVM_MEM_MAX_NR_PAGES)
goto out;
if (!npages)
mem->flags &= ~KVM_MEM_LOG_DIRTY_PAGES;
new = old = *memslot;
new.id = mem->slot;
new.base_gfn = base_gfn;
new.npages = npages;
new.flags = mem->flags;
/*
* Disallow changing a memory slot's size or changing anything about
* zero sized slots that doesn't involve making them non-zero.
*/
r = -EINVAL;
if (npages && old.npages && npages != old.npages)
goto out_free;
if (!npages && !old.npages)
goto out_free;
/* Check for overlaps */
r = -EEXIST;
kvm_for_each_memslot(slot, kvm->memslots) {
if (slot->id >= KVM_MEMORY_SLOTS || slot == memslot)
continue;
if (!((base_gfn + npages <= slot->base_gfn) ||
(base_gfn >= slot->base_gfn + slot->npages)))
goto out_free;
}
/* Free page dirty bitmap if unneeded */
if (!(new.flags & KVM_MEM_LOG_DIRTY_PAGES))
new.dirty_bitmap = NULL;
r = -ENOMEM;
/*
* Allocate if a slot is being created. If modifying a slot,
* the userspace_addr cannot change.
*/
if (!old.npages) {
new.user_alloc = user_alloc;
new.userspace_addr = mem->userspace_addr;
if (kvm_arch_create_memslot(&new, npages))
goto out_free;
} else if (npages && mem->userspace_addr != old.userspace_addr) {
r = -EINVAL;
goto out_free;
}
/* Allocate page dirty bitmap if needed */
if ((new.flags & KVM_MEM_LOG_DIRTY_PAGES) && !new.dirty_bitmap) {
if (kvm_create_dirty_bitmap(&new) < 0)
goto out_free;
/* destroy any largepage mappings for dirty tracking */
}
if (!npages || base_gfn != old.base_gfn) {
struct kvm_memory_slot *slot;
r = -ENOMEM;
slots = kmemdup(kvm->memslots, sizeof(struct kvm_memslots),
GFP_KERNEL);
if (!slots)
goto out_free;
slot = id_to_memslot(slots, mem->slot);
slot->flags |= KVM_MEMSLOT_INVALID;
update_memslots(slots, NULL);
old_memslots = kvm->memslots;
rcu_assign_pointer(kvm->memslots, slots);
synchronize_srcu_expedited(&kvm->srcu);
/* From this point no new shadow pages pointing to a deleted,
* or moved, memslot will be created.
*
* validation of sp->gfn happens in:
* - gfn_to_hva (kvm_read_guest, gfn_to_pfn)
* - kvm_is_visible_gfn (mmu_check_roots)
*/
kvm_arch_flush_shadow_memslot(kvm, slot);
kfree(old_memslots);
}
r = kvm_arch_prepare_memory_region(kvm, &new, old, mem, user_alloc);
if (r)
goto out_free;
/* map/unmap the pages in iommu page table */
if (npages) {
r = kvm_iommu_map_pages(kvm, &new);
if (r)
goto out_free;
} else
kvm_iommu_unmap_pages(kvm, &old);
r = -ENOMEM;
slots = kmemdup(kvm->memslots, sizeof(struct kvm_memslots),
GFP_KERNEL);
if (!slots)
goto out_free;
/* actual memory is freed via old in kvm_free_physmem_slot below */
if (!npages) {
new.dirty_bitmap = NULL;
memset(&new.arch, 0, sizeof(new.arch));
}
update_memslots(slots, &new);
old_memslots = kvm->memslots;
rcu_assign_pointer(kvm->memslots, slots);
synchronize_srcu_expedited(&kvm->srcu);
kvm_arch_commit_memory_region(kvm, mem, old, user_alloc);
kvm_free_physmem_slot(&old, &new);
kfree(old_memslots);
return 0;
out_free:
kvm_free_physmem_slot(&new, &old);
out:
return r;
} | 763 | True | 1 |
||
CVE-2012-5374 | False | False | False | False | AV:L/AC:H/Au:N/C:N/I:N/A:C | LOCAL | HIGH | NONE | NONE | NONE | COMPLETE | 4.0 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/', 'name': 'http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/', 'refsource': 'MISC', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'name': 'https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://openwall.com/lists/oss-security/2012/12/13/20', 'name': '[oss-security] 20121213 CVE-2012-5374 CVE-2012-5375 Btrfs CRC32C denial of service issues', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html', 'name': 'openSUSE-SU-2013:0395', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1946-1', 'name': 'USN-1946-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1945-1', 'name': 'USN-1945-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1947-1', 'name': 'USN-1947-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1944-1', 'name': 'USN-1944-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2017-1', 'name': 'USN-2017-1', 'refsource': 'UBUNTU', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.2:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (extended runtime of kernel code) by creating many different files whose names are associated with the same CRC32C hash value.'}] | 2014-01-04T04:42Z | 2013-02-18T11:56Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Chris Mason | 2012-12-17 14:26:57-05:00 | Btrfs: fix hash overflow handling
The handling for directory crc hash overflows was fairly obscure,
split_leaf returns EOVERFLOW when we try to extend the item and that is
supposed to bubble up to userland. For a while it did so, but along the
way we added better handling of errors and forced the FS readonly if we
hit IO errors during the directory insertion.
Along the way, we started testing only for EEXIST and the EOVERFLOW case
was dropped. The end result is that we may force the FS readonly if we
catch a directory hash bucket overflow.
This fixes a few problem spots. First I add tests for EOVERFLOW in the
places where we can safely just return the error up the chain.
btrfs_rename is harder though, because it tries to insert the new
directory item only after it has already unlinked anything the rename
was going to overwrite. Rather than adding very complex logic, I added
a helper to test for the hash overflow case early while it is still safe
to bail out.
Snapshot and subvolume creation had a similar problem, so they are using
the new helper now too.
Signed-off-by: Chris Mason <[email protected]>
Reported-by: Pascal Junod <[email protected]> | 9c52057c698fb96f8f07e7a4bcf4801a092bda89 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | btrfs_add_link | btrfs_add_link( struct btrfs_trans_handle * trans , struct inode * parent_inode , struct inode * inode , const char * name , int name_len , int add_backref , u64 index) | ['trans', 'parent_inode', 'inode', 'name', 'name_len', 'add_backref', 'index'] | int btrfs_add_link(struct btrfs_trans_handle *trans,
struct inode *parent_inode, struct inode *inode,
const char *name, int name_len, int add_backref, u64 index)
{
int ret = 0;
struct btrfs_key key;
struct btrfs_root *root = BTRFS_I(parent_inode)->root;
u64 ino = btrfs_ino(inode);
u64 parent_ino = btrfs_ino(parent_inode);
if (unlikely(ino == BTRFS_FIRST_FREE_OBJECTID)) {
memcpy(&key, &BTRFS_I(inode)->root->root_key, sizeof(key));
} else {
key.objectid = ino;
btrfs_set_key_type(&key, BTRFS_INODE_ITEM_KEY);
key.offset = 0;
}
if (unlikely(ino == BTRFS_FIRST_FREE_OBJECTID)) {
ret = btrfs_add_root_ref(trans, root->fs_info->tree_root,
key.objectid, root->root_key.objectid,
parent_ino, index, name, name_len);
} else if (add_backref) {
ret = btrfs_insert_inode_ref(trans, root, name, name_len, ino,
parent_ino, index);
}
/* Nothing to clean up yet */
if (ret)
return ret;
ret = btrfs_insert_dir_item(trans, root, name, name_len,
parent_inode, &key,
btrfs_inode_type(inode), index);
if (ret == -EEXIST)
goto fail_dir_item;
else if (ret) {
btrfs_abort_transaction(trans, root, ret);
return ret;
}
btrfs_i_size_write(parent_inode, parent_inode->i_size +
name_len * 2);
inode_inc_iversion(parent_inode);
parent_inode->i_mtime = parent_inode->i_ctime = CURRENT_TIME;
ret = btrfs_update_inode(trans, root, parent_inode);
if (ret)
btrfs_abort_transaction(trans, root, ret);
return ret;
fail_dir_item:
if (unlikely(ino == BTRFS_FIRST_FREE_OBJECTID)) {
u64 local_index;
int err;
err = btrfs_del_root_ref(trans, root->fs_info->tree_root,
key.objectid, root->root_key.objectid,
parent_ino, &local_index, name, name_len);
} else if (add_backref) {
u64 local_index;
int err;
err = btrfs_del_inode_ref(trans, root, name, name_len,
ino, parent_ino, &local_index);
}
return ret;
} | 396 | True | 1 |
||
CVE-2012-5375 | False | False | False | False | AV:L/AC:H/Au:N/C:N/I:N/A:C | LOCAL | HIGH | NONE | NONE | NONE | COMPLETE | 4.0 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/', 'name': 'http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/', 'refsource': 'MISC', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'name': 'https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://openwall.com/lists/oss-security/2012/12/13/20', 'name': '[oss-security] 20121213 CVE-2012-5374 CVE-2012-5375 Btrfs CRC32C denial of service issues', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1946-1', 'name': 'USN-1946-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1945-1', 'name': 'USN-1945-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1947-1', 'name': 'USN-1947-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1944-1', 'name': 'USN-1944-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2017-1', 'name': 'USN-2017-1', 'refsource': 'UBUNTU', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (prevention of file creation) by leveraging the ability to write to a directory important to the victim, and creating a file with a crafted name that is associated with a specific CRC32C hash value.'}] | 2014-01-04T04:42Z | 2013-02-18T11:56Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Chris Mason | 2012-12-17 14:26:57-05:00 | Btrfs: fix hash overflow handling
The handling for directory crc hash overflows was fairly obscure,
split_leaf returns EOVERFLOW when we try to extend the item and that is
supposed to bubble up to userland. For a while it did so, but along the
way we added better handling of errors and forced the FS readonly if we
hit IO errors during the directory insertion.
Along the way, we started testing only for EEXIST and the EOVERFLOW case
was dropped. The end result is that we may force the FS readonly if we
catch a directory hash bucket overflow.
This fixes a few problem spots. First I add tests for EOVERFLOW in the
places where we can safely just return the error up the chain.
btrfs_rename is harder though, because it tries to insert the new
directory item only after it has already unlinked anything the rename
was going to overwrite. Rather than adding very complex logic, I added
a helper to test for the hash overflow case early while it is still safe
to bail out.
Snapshot and subvolume creation had a similar problem, so they are using
the new helper now too.
Signed-off-by: Chris Mason <[email protected]>
Reported-by: Pascal Junod <[email protected]> | 9c52057c698fb96f8f07e7a4bcf4801a092bda89 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | btrfs_add_link | btrfs_add_link( struct btrfs_trans_handle * trans , struct inode * parent_inode , struct inode * inode , const char * name , int name_len , int add_backref , u64 index) | ['trans', 'parent_inode', 'inode', 'name', 'name_len', 'add_backref', 'index'] | int btrfs_add_link(struct btrfs_trans_handle *trans,
struct inode *parent_inode, struct inode *inode,
const char *name, int name_len, int add_backref, u64 index)
{
int ret = 0;
struct btrfs_key key;
struct btrfs_root *root = BTRFS_I(parent_inode)->root;
u64 ino = btrfs_ino(inode);
u64 parent_ino = btrfs_ino(parent_inode);
if (unlikely(ino == BTRFS_FIRST_FREE_OBJECTID)) {
memcpy(&key, &BTRFS_I(inode)->root->root_key, sizeof(key));
} else {
key.objectid = ino;
btrfs_set_key_type(&key, BTRFS_INODE_ITEM_KEY);
key.offset = 0;
}
if (unlikely(ino == BTRFS_FIRST_FREE_OBJECTID)) {
ret = btrfs_add_root_ref(trans, root->fs_info->tree_root,
key.objectid, root->root_key.objectid,
parent_ino, index, name, name_len);
} else if (add_backref) {
ret = btrfs_insert_inode_ref(trans, root, name, name_len, ino,
parent_ino, index);
}
/* Nothing to clean up yet */
if (ret)
return ret;
ret = btrfs_insert_dir_item(trans, root, name, name_len,
parent_inode, &key,
btrfs_inode_type(inode), index);
if (ret == -EEXIST)
goto fail_dir_item;
else if (ret) {
btrfs_abort_transaction(trans, root, ret);
return ret;
}
btrfs_i_size_write(parent_inode, parent_inode->i_size +
name_len * 2);
inode_inc_iversion(parent_inode);
parent_inode->i_mtime = parent_inode->i_ctime = CURRENT_TIME;
ret = btrfs_update_inode(trans, root, parent_inode);
if (ret)
btrfs_abort_transaction(trans, root, ret);
return ret;
fail_dir_item:
if (unlikely(ino == BTRFS_FIRST_FREE_OBJECTID)) {
u64 local_index;
int err;
err = btrfs_del_root_ref(trans, root->fs_info->tree_root,
key.objectid, root->root_key.objectid,
parent_ino, &local_index, name, name_len);
} else if (add_backref) {
u64 local_index;
int err;
err = btrfs_del_inode_ref(trans, root, name, name_len,
ino, parent_ino, &local_index);
}
return ret;
} | 396 | True | 1 |
||
CVE-2012-5374 | False | False | False | False | AV:L/AC:H/Au:N/C:N/I:N/A:C | LOCAL | HIGH | NONE | NONE | NONE | COMPLETE | 4.0 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/', 'name': 'http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/', 'refsource': 'MISC', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'name': 'https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://openwall.com/lists/oss-security/2012/12/13/20', 'name': '[oss-security] 20121213 CVE-2012-5374 CVE-2012-5375 Btrfs CRC32C denial of service issues', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html', 'name': 'openSUSE-SU-2013:0395', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1946-1', 'name': 'USN-1946-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1945-1', 'name': 'USN-1945-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1947-1', 'name': 'USN-1947-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1944-1', 'name': 'USN-1944-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2017-1', 'name': 'USN-2017-1', 'refsource': 'UBUNTU', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.35:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.36:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.38:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*', 'cpe_name': []}, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.2:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (extended runtime of kernel code) by creating many different files whose names are associated with the same CRC32C hash value.'}] | 2014-01-04T04:42Z | 2013-02-18T11:56Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Chris Mason | 2012-12-17 14:26:57-05:00 | Btrfs: fix hash overflow handling
The handling for directory crc hash overflows was fairly obscure,
split_leaf returns EOVERFLOW when we try to extend the item and that is
supposed to bubble up to userland. For a while it did so, but along the
way we added better handling of errors and forced the FS readonly if we
hit IO errors during the directory insertion.
Along the way, we started testing only for EEXIST and the EOVERFLOW case
was dropped. The end result is that we may force the FS readonly if we
catch a directory hash bucket overflow.
This fixes a few problem spots. First I add tests for EOVERFLOW in the
places where we can safely just return the error up the chain.
btrfs_rename is harder though, because it tries to insert the new
directory item only after it has already unlinked anything the rename
was going to overwrite. Rather than adding very complex logic, I added
a helper to test for the hash overflow case early while it is still safe
to bail out.
Snapshot and subvolume creation had a similar problem, so they are using
the new helper now too.
Signed-off-by: Chris Mason <[email protected]>
Reported-by: Pascal Junod <[email protected]> | 9c52057c698fb96f8f07e7a4bcf4801a092bda89 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | create_pending_snapshot | create_pending_snapshot( struct btrfs_trans_handle * trans , struct btrfs_fs_info * fs_info , struct btrfs_pending_snapshot * pending) | ['trans', 'fs_info', 'pending'] | static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
struct btrfs_pending_snapshot *pending)
{
struct btrfs_key key;
struct btrfs_root_item *new_root_item;
struct btrfs_root *tree_root = fs_info->tree_root;
struct btrfs_root *root = pending->root;
struct btrfs_root *parent_root;
struct btrfs_block_rsv *rsv;
struct inode *parent_inode;
struct btrfs_path *path;
struct btrfs_dir_item *dir_item;
struct dentry *parent;
struct dentry *dentry;
struct extent_buffer *tmp;
struct extent_buffer *old;
struct timespec cur_time = CURRENT_TIME;
int ret;
u64 to_reserve = 0;
u64 index = 0;
u64 objectid;
u64 root_flags;
uuid_le new_uuid;
path = btrfs_alloc_path();
if (!path) {
ret = pending->error = -ENOMEM;
goto path_alloc_fail;
}
new_root_item = kmalloc(sizeof(*new_root_item), GFP_NOFS);
if (!new_root_item) {
ret = pending->error = -ENOMEM;
goto root_item_alloc_fail;
}
ret = btrfs_find_free_objectid(tree_root, &objectid);
if (ret) {
pending->error = ret;
goto no_free_objectid;
}
btrfs_reloc_pre_snapshot(trans, pending, &to_reserve);
if (to_reserve > 0) {
ret = btrfs_block_rsv_add(root, &pending->block_rsv,
to_reserve,
BTRFS_RESERVE_NO_FLUSH);
if (ret) {
pending->error = ret;
goto no_free_objectid;
}
}
ret = btrfs_qgroup_inherit(trans, fs_info, root->root_key.objectid,
objectid, pending->inherit);
if (ret) {
pending->error = ret;
goto no_free_objectid;
}
key.objectid = objectid;
key.offset = (u64)-1;
key.type = BTRFS_ROOT_ITEM_KEY;
rsv = trans->block_rsv;
trans->block_rsv = &pending->block_rsv;
dentry = pending->dentry;
parent = dget_parent(dentry);
parent_inode = parent->d_inode;
parent_root = BTRFS_I(parent_inode)->root;
record_root_in_trans(trans, parent_root);
/*
* insert the directory item
*/
ret = btrfs_set_inode_index(parent_inode, &index);
BUG_ON(ret); /* -ENOMEM */
/* check if there is a file/dir which has the same name. */
dir_item = btrfs_lookup_dir_item(NULL, parent_root, path,
btrfs_ino(parent_inode),
dentry->d_name.name,
dentry->d_name.len, 0);
if (dir_item != NULL && !IS_ERR(dir_item)) {
pending->error = -EEXIST;
goto fail;
} else if (IS_ERR(dir_item)) {
ret = PTR_ERR(dir_item);
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
btrfs_release_path(path);
/*
* pull in the delayed directory update
* and the delayed inode item
* otherwise we corrupt the FS during
* snapshot
*/
ret = btrfs_run_delayed_items(trans, root);
if (ret) { /* Transaction aborted */
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
record_root_in_trans(trans, root);
btrfs_set_root_last_snapshot(&root->root_item, trans->transid);
memcpy(new_root_item, &root->root_item, sizeof(*new_root_item));
btrfs_check_and_init_root_item(new_root_item);
root_flags = btrfs_root_flags(new_root_item);
if (pending->readonly)
root_flags |= BTRFS_ROOT_SUBVOL_RDONLY;
else
root_flags &= ~BTRFS_ROOT_SUBVOL_RDONLY;
btrfs_set_root_flags(new_root_item, root_flags);
btrfs_set_root_generation_v2(new_root_item,
trans->transid);
uuid_le_gen(&new_uuid);
memcpy(new_root_item->uuid, new_uuid.b, BTRFS_UUID_SIZE);
memcpy(new_root_item->parent_uuid, root->root_item.uuid,
BTRFS_UUID_SIZE);
new_root_item->otime.sec = cpu_to_le64(cur_time.tv_sec);
new_root_item->otime.nsec = cpu_to_le32(cur_time.tv_nsec);
btrfs_set_root_otransid(new_root_item, trans->transid);
memset(&new_root_item->stime, 0, sizeof(new_root_item->stime));
memset(&new_root_item->rtime, 0, sizeof(new_root_item->rtime));
btrfs_set_root_stransid(new_root_item, 0);
btrfs_set_root_rtransid(new_root_item, 0);
old = btrfs_lock_root_node(root);
ret = btrfs_cow_block(trans, root, old, NULL, 0, &old);
if (ret) {
btrfs_tree_unlock(old);
free_extent_buffer(old);
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
btrfs_set_lock_blocking(old);
ret = btrfs_copy_root(trans, root, old, &tmp, objectid);
/* clean up in any case */
btrfs_tree_unlock(old);
free_extent_buffer(old);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
/* see comments in should_cow_block() */
root->force_cow = 1;
smp_wmb();
btrfs_set_root_node(new_root_item, tmp);
/* record when the snapshot was created in key.offset */
key.offset = trans->transid;
ret = btrfs_insert_root(trans, tree_root, &key, new_root_item);
btrfs_tree_unlock(tmp);
free_extent_buffer(tmp);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
/*
* insert root back/forward references
*/
ret = btrfs_add_root_ref(trans, tree_root, objectid,
parent_root->root_key.objectid,
btrfs_ino(parent_inode), index,
dentry->d_name.name, dentry->d_name.len);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
key.offset = (u64)-1;
pending->snap = btrfs_read_fs_root_no_name(root->fs_info, &key);
if (IS_ERR(pending->snap)) {
ret = PTR_ERR(pending->snap);
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
ret = btrfs_reloc_post_snapshot(trans, pending);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
ret = btrfs_insert_dir_item(trans, parent_root,
dentry->d_name.name, dentry->d_name.len,
parent_inode, &key,
BTRFS_FT_DIR, index);
/* We have check then name at the beginning, so it is impossible. */
BUG_ON(ret == -EEXIST);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
btrfs_i_size_write(parent_inode, parent_inode->i_size +
dentry->d_name.len * 2);
parent_inode->i_mtime = parent_inode->i_ctime = CURRENT_TIME;
ret = btrfs_update_inode_fallback(trans, parent_root, parent_inode);
if (ret)
btrfs_abort_transaction(trans, root, ret);
fail:
dput(parent);
trans->block_rsv = rsv;
no_free_objectid:
kfree(new_root_item);
root_item_alloc_fail:
btrfs_free_path(path);
path_alloc_fail:
btrfs_block_rsv_release(root, &pending->block_rsv, (u64)-1);
return ret;
} | 1178 | True | 1 |
||
CVE-2012-5375 | False | False | False | False | AV:L/AC:H/Au:N/C:N/I:N/A:C | LOCAL | HIGH | NONE | NONE | NONE | COMPLETE | 4.0 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/', 'name': 'http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/', 'refsource': 'MISC', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'name': 'https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://openwall.com/lists/oss-security/2012/12/13/20', 'name': '[oss-security] 20121213 CVE-2012-5374 CVE-2012-5375 Btrfs CRC32C denial of service issues', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1946-1', 'name': 'USN-1946-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1945-1', 'name': 'USN-1945-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1947-1', 'name': 'USN-1947-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1944-1', 'name': 'USN-1944-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-2017-1', 'name': 'USN-2017-1', 'refsource': 'UBUNTU', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (prevention of file creation) by leveraging the ability to write to a directory important to the victim, and creating a file with a crafted name that is associated with a specific CRC32C hash value.'}] | 2014-01-04T04:42Z | 2013-02-18T11:56Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Chris Mason | 2012-12-17 14:26:57-05:00 | Btrfs: fix hash overflow handling
The handling for directory crc hash overflows was fairly obscure,
split_leaf returns EOVERFLOW when we try to extend the item and that is
supposed to bubble up to userland. For a while it did so, but along the
way we added better handling of errors and forced the FS readonly if we
hit IO errors during the directory insertion.
Along the way, we started testing only for EEXIST and the EOVERFLOW case
was dropped. The end result is that we may force the FS readonly if we
catch a directory hash bucket overflow.
This fixes a few problem spots. First I add tests for EOVERFLOW in the
places where we can safely just return the error up the chain.
btrfs_rename is harder though, because it tries to insert the new
directory item only after it has already unlinked anything the rename
was going to overwrite. Rather than adding very complex logic, I added
a helper to test for the hash overflow case early while it is still safe
to bail out.
Snapshot and subvolume creation had a similar problem, so they are using
the new helper now too.
Signed-off-by: Chris Mason <[email protected]>
Reported-by: Pascal Junod <[email protected]> | 9c52057c698fb96f8f07e7a4bcf4801a092bda89 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | create_pending_snapshot | create_pending_snapshot( struct btrfs_trans_handle * trans , struct btrfs_fs_info * fs_info , struct btrfs_pending_snapshot * pending) | ['trans', 'fs_info', 'pending'] | static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
struct btrfs_pending_snapshot *pending)
{
struct btrfs_key key;
struct btrfs_root_item *new_root_item;
struct btrfs_root *tree_root = fs_info->tree_root;
struct btrfs_root *root = pending->root;
struct btrfs_root *parent_root;
struct btrfs_block_rsv *rsv;
struct inode *parent_inode;
struct btrfs_path *path;
struct btrfs_dir_item *dir_item;
struct dentry *parent;
struct dentry *dentry;
struct extent_buffer *tmp;
struct extent_buffer *old;
struct timespec cur_time = CURRENT_TIME;
int ret;
u64 to_reserve = 0;
u64 index = 0;
u64 objectid;
u64 root_flags;
uuid_le new_uuid;
path = btrfs_alloc_path();
if (!path) {
ret = pending->error = -ENOMEM;
goto path_alloc_fail;
}
new_root_item = kmalloc(sizeof(*new_root_item), GFP_NOFS);
if (!new_root_item) {
ret = pending->error = -ENOMEM;
goto root_item_alloc_fail;
}
ret = btrfs_find_free_objectid(tree_root, &objectid);
if (ret) {
pending->error = ret;
goto no_free_objectid;
}
btrfs_reloc_pre_snapshot(trans, pending, &to_reserve);
if (to_reserve > 0) {
ret = btrfs_block_rsv_add(root, &pending->block_rsv,
to_reserve,
BTRFS_RESERVE_NO_FLUSH);
if (ret) {
pending->error = ret;
goto no_free_objectid;
}
}
ret = btrfs_qgroup_inherit(trans, fs_info, root->root_key.objectid,
objectid, pending->inherit);
if (ret) {
pending->error = ret;
goto no_free_objectid;
}
key.objectid = objectid;
key.offset = (u64)-1;
key.type = BTRFS_ROOT_ITEM_KEY;
rsv = trans->block_rsv;
trans->block_rsv = &pending->block_rsv;
dentry = pending->dentry;
parent = dget_parent(dentry);
parent_inode = parent->d_inode;
parent_root = BTRFS_I(parent_inode)->root;
record_root_in_trans(trans, parent_root);
/*
* insert the directory item
*/
ret = btrfs_set_inode_index(parent_inode, &index);
BUG_ON(ret); /* -ENOMEM */
/* check if there is a file/dir which has the same name. */
dir_item = btrfs_lookup_dir_item(NULL, parent_root, path,
btrfs_ino(parent_inode),
dentry->d_name.name,
dentry->d_name.len, 0);
if (dir_item != NULL && !IS_ERR(dir_item)) {
pending->error = -EEXIST;
goto fail;
} else if (IS_ERR(dir_item)) {
ret = PTR_ERR(dir_item);
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
btrfs_release_path(path);
/*
* pull in the delayed directory update
* and the delayed inode item
* otherwise we corrupt the FS during
* snapshot
*/
ret = btrfs_run_delayed_items(trans, root);
if (ret) { /* Transaction aborted */
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
record_root_in_trans(trans, root);
btrfs_set_root_last_snapshot(&root->root_item, trans->transid);
memcpy(new_root_item, &root->root_item, sizeof(*new_root_item));
btrfs_check_and_init_root_item(new_root_item);
root_flags = btrfs_root_flags(new_root_item);
if (pending->readonly)
root_flags |= BTRFS_ROOT_SUBVOL_RDONLY;
else
root_flags &= ~BTRFS_ROOT_SUBVOL_RDONLY;
btrfs_set_root_flags(new_root_item, root_flags);
btrfs_set_root_generation_v2(new_root_item,
trans->transid);
uuid_le_gen(&new_uuid);
memcpy(new_root_item->uuid, new_uuid.b, BTRFS_UUID_SIZE);
memcpy(new_root_item->parent_uuid, root->root_item.uuid,
BTRFS_UUID_SIZE);
new_root_item->otime.sec = cpu_to_le64(cur_time.tv_sec);
new_root_item->otime.nsec = cpu_to_le32(cur_time.tv_nsec);
btrfs_set_root_otransid(new_root_item, trans->transid);
memset(&new_root_item->stime, 0, sizeof(new_root_item->stime));
memset(&new_root_item->rtime, 0, sizeof(new_root_item->rtime));
btrfs_set_root_stransid(new_root_item, 0);
btrfs_set_root_rtransid(new_root_item, 0);
old = btrfs_lock_root_node(root);
ret = btrfs_cow_block(trans, root, old, NULL, 0, &old);
if (ret) {
btrfs_tree_unlock(old);
free_extent_buffer(old);
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
btrfs_set_lock_blocking(old);
ret = btrfs_copy_root(trans, root, old, &tmp, objectid);
/* clean up in any case */
btrfs_tree_unlock(old);
free_extent_buffer(old);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
/* see comments in should_cow_block() */
root->force_cow = 1;
smp_wmb();
btrfs_set_root_node(new_root_item, tmp);
/* record when the snapshot was created in key.offset */
key.offset = trans->transid;
ret = btrfs_insert_root(trans, tree_root, &key, new_root_item);
btrfs_tree_unlock(tmp);
free_extent_buffer(tmp);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
/*
* insert root back/forward references
*/
ret = btrfs_add_root_ref(trans, tree_root, objectid,
parent_root->root_key.objectid,
btrfs_ino(parent_inode), index,
dentry->d_name.name, dentry->d_name.len);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
key.offset = (u64)-1;
pending->snap = btrfs_read_fs_root_no_name(root->fs_info, &key);
if (IS_ERR(pending->snap)) {
ret = PTR_ERR(pending->snap);
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
ret = btrfs_reloc_post_snapshot(trans, pending);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
ret = btrfs_insert_dir_item(trans, parent_root,
dentry->d_name.name, dentry->d_name.len,
parent_inode, &key,
BTRFS_FT_DIR, index);
/* We have check then name at the beginning, so it is impossible. */
BUG_ON(ret == -EEXIST);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
btrfs_i_size_write(parent_inode, parent_inode->i_size +
dentry->d_name.len * 2);
parent_inode->i_mtime = parent_inode->i_ctime = CURRENT_TIME;
ret = btrfs_update_inode_fallback(trans, parent_root, parent_inode);
if (ret)
btrfs_abort_transaction(trans, root, ret);
fail:
dput(parent);
trans->block_rsv = rsv;
no_free_objectid:
kfree(new_root_item);
root_item_alloc_fail:
btrfs_free_path(path);
path_alloc_fail:
btrfs_block_rsv_release(root, &pending->block_rsv, (u64)-1);
return ret;
} | 1178 | True | 1 |
||
CVE-2012-4530 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2012/10/19/3', 'name': '[oss-security] 20121019 Re: CVE Request -- kernel stack disclosure in binfmt_script load_script()', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/b66c5984017533316fd1951770302649baf1aa33', 'name': 'https://github.com/torvalds/linux/commit/b66c5984017533316fd1951770302649baf1aa33', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.2', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.2', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=868285', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=868285', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b66c5984017533316fd1951770302649baf1aa33', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b66c5984017533316fd1951770302649baf1aa33', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0223.html', 'name': 'RHSA-2013:0223', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html', 'name': 'SUSE-SU-2013:0674', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-200'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.38:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The load_script function in fs/binfmt_script.c in the Linux kernel before 3.7.2 does not properly handle recursion, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.'}] | 2013-06-05T03:38Z | 2013-02-18T04:41Z | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include:
private, personal information, such as personal messages, financial data, health records, geographic location, or contact details
system status and environment, such as the operating system and installed packages
business secrets and intellectual property
network status and configuration
the product's own code or internal state
metadata, e.g. logging of connections or message headers
indirect information, such as a discrepancy between two internal operations that can be observed by an outsider
Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include:
the product's own users
people or organizations whose information is created or used by the product, even if they are not direct product users
the product's administrators, including the admins of the system(s) and/or networks on which the product operates
the developer
Information exposures can occur in different ways:
the code explicitly inserts sensitive information into resources or messages that are intentionally made accessible to unauthorized actors, but should not contain the information - i.e., the information should have been "scrubbed" or "sanitized"
a different weakness or mistake indirectly inserts the sensitive information into resources, such as a web script error revealing the full system path of the program.
the code manages resources that intentionally contain sensitive information, but the resources are unintentionally made accessible to unauthorized actors. In this case, the information exposure is resultant - i.e., a different weakness enabled the access to the information in the first place.
It is common practice to describe any loss of confidentiality as an "information exposure," but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read. CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.
| https://cwe.mitre.org/data/definitions/200.html | 0 | Kees Cook | 2012-12-20 15:05:16-08:00 | exec: do not leave bprm->interp on stack
If a series of scripts are executed, each triggering module loading via
unprintable bytes in the script header, kernel stack contents can leak
into the command line.
Normally execution of binfmt_script and binfmt_misc happens recursively.
However, when modules are enabled, and unprintable bytes exist in the
bprm->buf, execution will restart after attempting to load matching
binfmt modules. Unfortunately, the logic in binfmt_script and
binfmt_misc does not expect to get restarted. They leave bprm->interp
pointing to their local stack. This means on restart bprm->interp is
left pointing into unused stack memory which can then be copied into the
userspace argv areas.
After additional study, it seems that both recursion and restart remains
the desirable way to handle exec with scripts, misc, and modules. As
such, we need to protect the changes to interp.
This changes the logic to require allocation for any changes to the
bprm->interp. To avoid adding a new kmalloc to every exec, the default
value is left as-is. Only when passing through binfmt_script or
binfmt_misc does an allocation take place.
For a proof of concept, see DoTest.sh from:
http://www.halfdog.net/Security/2012/LinuxKernelBinfmtScriptStackDataDisclosure/
Signed-off-by: Kees Cook <[email protected]>
Cc: halfdog <[email protected]>
Cc: P J P <[email protected]>
Cc: Alexander Viro <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]> | b66c5984017533316fd1951770302649baf1aa33 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | load_misc_binary | load_misc_binary( struct linux_binprm * bprm) | ['bprm'] | static int load_misc_binary(struct linux_binprm *bprm)
{
Node *fmt;
struct file * interp_file = NULL;
char iname[BINPRM_BUF_SIZE];
const char *iname_addr = iname;
int retval;
int fd_binary = -1;
retval = -ENOEXEC;
if (!enabled)
goto _ret;
/* to keep locking time low, we copy the interpreter string */
read_lock(&entries_lock);
fmt = check_file(bprm);
if (fmt)
strlcpy(iname, fmt->interpreter, BINPRM_BUF_SIZE);
read_unlock(&entries_lock);
if (!fmt)
goto _ret;
if (!(fmt->flags & MISC_FMT_PRESERVE_ARGV0)) {
retval = remove_arg_zero(bprm);
if (retval)
goto _ret;
}
if (fmt->flags & MISC_FMT_OPEN_BINARY) {
/* if the binary should be opened on behalf of the
* interpreter than keep it open and assign descriptor
* to it */
fd_binary = get_unused_fd();
if (fd_binary < 0) {
retval = fd_binary;
goto _ret;
}
fd_install(fd_binary, bprm->file);
/* if the binary is not readable than enforce mm->dumpable=0
regardless of the interpreter's permissions */
would_dump(bprm, bprm->file);
allow_write_access(bprm->file);
bprm->file = NULL;
/* mark the bprm that fd should be passed to interp */
bprm->interp_flags |= BINPRM_FLAGS_EXECFD;
bprm->interp_data = fd_binary;
} else {
allow_write_access(bprm->file);
fput(bprm->file);
bprm->file = NULL;
}
/* make argv[1] be the path to the binary */
retval = copy_strings_kernel (1, &bprm->interp, bprm);
if (retval < 0)
goto _error;
bprm->argc++;
/* add the interp as argv[0] */
retval = copy_strings_kernel (1, &iname_addr, bprm);
if (retval < 0)
goto _error;
bprm->argc ++;
bprm->interp = iname; /* for binfmt_script */
interp_file = open_exec (iname);
retval = PTR_ERR (interp_file);
if (IS_ERR (interp_file))
goto _error;
bprm->file = interp_file;
if (fmt->flags & MISC_FMT_CREDENTIALS) {
/*
* No need to call prepare_binprm(), it's already been
* done. bprm->buf is stale, update from interp_file.
*/
memset(bprm->buf, 0, BINPRM_BUF_SIZE);
retval = kernel_read(bprm->file, 0, bprm->buf, BINPRM_BUF_SIZE);
} else
retval = prepare_binprm (bprm);
if (retval < 0)
goto _error;
retval = search_binary_handler(bprm);
if (retval < 0)
goto _error;
_ret:
return retval;
_error:
if (fd_binary > 0)
sys_close(fd_binary);
bprm->interp_flags = 0;
bprm->interp_data = 0;
goto _ret;
} | 415 | True | 1 |
|
CVE-2012-4530 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2012/10/19/3', 'name': '[oss-security] 20121019 Re: CVE Request -- kernel stack disclosure in binfmt_script load_script()', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/b66c5984017533316fd1951770302649baf1aa33', 'name': 'https://github.com/torvalds/linux/commit/b66c5984017533316fd1951770302649baf1aa33', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.2', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.2', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=868285', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=868285', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b66c5984017533316fd1951770302649baf1aa33', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b66c5984017533316fd1951770302649baf1aa33', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0223.html', 'name': 'RHSA-2013:0223', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html', 'name': 'SUSE-SU-2013:0674', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-200'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.38:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.35:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.36:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.37:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.42:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.34:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*', 'cpe_name': []}, 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'cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.33:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.19:*:*:*:*:*:*:*', 'cpe_name': []}, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.44:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.40:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The load_script function in fs/binfmt_script.c in the Linux kernel before 3.7.2 does not properly handle recursion, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.'}] | 2013-06-05T03:38Z | 2013-02-18T04:41Z | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include:
private, personal information, such as personal messages, financial data, health records, geographic location, or contact details
system status and environment, such as the operating system and installed packages
business secrets and intellectual property
network status and configuration
the product's own code or internal state
metadata, e.g. logging of connections or message headers
indirect information, such as a discrepancy between two internal operations that can be observed by an outsider
Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include:
the product's own users
people or organizations whose information is created or used by the product, even if they are not direct product users
the product's administrators, including the admins of the system(s) and/or networks on which the product operates
the developer
Information exposures can occur in different ways:
the code explicitly inserts sensitive information into resources or messages that are intentionally made accessible to unauthorized actors, but should not contain the information - i.e., the information should have been "scrubbed" or "sanitized"
a different weakness or mistake indirectly inserts the sensitive information into resources, such as a web script error revealing the full system path of the program.
the code manages resources that intentionally contain sensitive information, but the resources are unintentionally made accessible to unauthorized actors. In this case, the information exposure is resultant - i.e., a different weakness enabled the access to the information in the first place.
It is common practice to describe any loss of confidentiality as an "information exposure," but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read. CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.
| https://cwe.mitre.org/data/definitions/200.html | 0 | Kees Cook | 2012-12-20 15:05:16-08:00 | exec: do not leave bprm->interp on stack
If a series of scripts are executed, each triggering module loading via
unprintable bytes in the script header, kernel stack contents can leak
into the command line.
Normally execution of binfmt_script and binfmt_misc happens recursively.
However, when modules are enabled, and unprintable bytes exist in the
bprm->buf, execution will restart after attempting to load matching
binfmt modules. Unfortunately, the logic in binfmt_script and
binfmt_misc does not expect to get restarted. They leave bprm->interp
pointing to their local stack. This means on restart bprm->interp is
left pointing into unused stack memory which can then be copied into the
userspace argv areas.
After additional study, it seems that both recursion and restart remains
the desirable way to handle exec with scripts, misc, and modules. As
such, we need to protect the changes to interp.
This changes the logic to require allocation for any changes to the
bprm->interp. To avoid adding a new kmalloc to every exec, the default
value is left as-is. Only when passing through binfmt_script or
binfmt_misc does an allocation take place.
For a proof of concept, see DoTest.sh from:
http://www.halfdog.net/Security/2012/LinuxKernelBinfmtScriptStackDataDisclosure/
Signed-off-by: Kees Cook <[email protected]>
Cc: halfdog <[email protected]>
Cc: P J P <[email protected]>
Cc: Alexander Viro <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]> | b66c5984017533316fd1951770302649baf1aa33 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | load_script | load_script( struct linux_binprm * bprm) | ['bprm'] | static int load_script(struct linux_binprm *bprm)
{
const char *i_arg, *i_name;
char *cp;
struct file *file;
char interp[BINPRM_BUF_SIZE];
int retval;
if ((bprm->buf[0] != '#') || (bprm->buf[1] != '!'))
return -ENOEXEC;
/*
* This section does the #! interpretation.
* Sorta complicated, but hopefully it will work. -TYT
*/
allow_write_access(bprm->file);
fput(bprm->file);
bprm->file = NULL;
bprm->buf[BINPRM_BUF_SIZE - 1] = '\0';
if ((cp = strchr(bprm->buf, '\n')) == NULL)
cp = bprm->buf+BINPRM_BUF_SIZE-1;
*cp = '\0';
while (cp > bprm->buf) {
cp--;
if ((*cp == ' ') || (*cp == '\t'))
*cp = '\0';
else
break;
}
for (cp = bprm->buf+2; (*cp == ' ') || (*cp == '\t'); cp++);
if (*cp == '\0')
return -ENOEXEC; /* No interpreter name found */
i_name = cp;
i_arg = NULL;
for ( ; *cp && (*cp != ' ') && (*cp != '\t'); cp++)
/* nothing */ ;
while ((*cp == ' ') || (*cp == '\t'))
*cp++ = '\0';
if (*cp)
i_arg = cp;
strcpy (interp, i_name);
/*
* OK, we've parsed out the interpreter name and
* (optional) argument.
* Splice in (1) the interpreter's name for argv[0]
* (2) (optional) argument to interpreter
* (3) filename of shell script (replace argv[0])
*
* This is done in reverse order, because of how the
* user environment and arguments are stored.
*/
retval = remove_arg_zero(bprm);
if (retval)
return retval;
retval = copy_strings_kernel(1, &bprm->interp, bprm);
if (retval < 0) return retval;
bprm->argc++;
if (i_arg) {
retval = copy_strings_kernel(1, &i_arg, bprm);
if (retval < 0) return retval;
bprm->argc++;
}
retval = copy_strings_kernel(1, &i_name, bprm);
if (retval) return retval;
bprm->argc++;
bprm->interp = interp;
/*
* OK, now restart the process with the interpreter's dentry.
*/
file = open_exec(interp);
if (IS_ERR(file))
return PTR_ERR(file);
bprm->file = file;
retval = prepare_binprm(bprm);
if (retval < 0)
return retval;
return search_binary_handler(bprm);
} | 424 | True | 1 |
|
CVE-2013-2015 | False | False | False | False | AV:L/AC:M/Au:N/C:N/I:N/A:C | LOCAL | MEDIUM | NONE | NONE | NONE | COMPLETE | 4.7 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0e9a9a1ad619e7e987815d20262d36a2f95717ca', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0e9a9a1ad619e7e987815d20262d36a2f95717ca', 'refsource': 'CONFIRM', 'tags': ['Vendor Advisory']}, {'url': 'http://www.openwall.com/lists/oss-security/2013/04/26/16', 'name': '[oss-security] 20130426 Re: CVE request: Linux kernel: ext4: hang during mount(8)', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/0e9a9a1ad619e7e987815d20262d36a2f95717ca', 'name': 'https://github.com/torvalds/linux/commit/0e9a9a1ad619e7e987815d20262d36a2f95717ca', 'refsource': 'CONFIRM', 'tags': ['Vendor Advisory']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.3', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.3', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=957123', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=957123', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html', 'name': 'SUSE-SU-2016:2074', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-399'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.59:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.60:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.66:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The ext4_orphan_del function in fs/ext4/namei.c in the Linux kernel before 3.7.3 does not properly handle orphan-list entries for non-journal filesystems, which allows physically proximate attackers to cause a denial of service (system hang) via a crafted filesystem on removable media, as demonstrated by the e2fsprogs tests/f_orphan_extents_inode/image.gz test.'}] | 2021-07-15T19:16Z | 2013-04-29T14:55Z | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | 1 | Theodore Ts'o | 2012-12-27 01:42:50-05:00 | ext4: avoid hang when mounting non-journal filesystems with orphan list
When trying to mount a file system which does not contain a journal,
but which does have a orphan list containing an inode which needs to
be truncated, the mount call with hang forever in
ext4_orphan_cleanup() because ext4_orphan_del() will return
immediately without removing the inode from the orphan list, leading
to an uninterruptible loop in kernel code which will busy out one of
the CPU's on the system.
This can be trivially reproduced by trying to mount the file system
found in tests/f_orphan_extents_inode/image.gz from the e2fsprogs
source tree. If a malicious user were to put this on a USB stick, and
mount it on a Linux desktop which has automatic mounts enabled, this
could be considered a potential denial of service attack. (Not a big
deal in practice, but professional paranoids worry about such things,
and have even been known to allocate CVE numbers for such problems.)
Signed-off-by: "Theodore Ts'o" <[email protected]>
Reviewed-by: Zheng Liu <[email protected]>
Cc: [email protected] | 0e9a9a1ad619e7e987815d20262d36a2f95717ca | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | ext4_orphan_del | ext4_orphan_del( handle_t * handle , struct inode * inode) | ['handle', 'inode'] | int ext4_orphan_del(handle_t *handle, struct inode *inode)
{
struct list_head *prev;
struct ext4_inode_info *ei = EXT4_I(inode);
struct ext4_sb_info *sbi;
__u32 ino_next;
struct ext4_iloc iloc;
int err = 0;
if (!EXT4_SB(inode->i_sb)->s_journal)
return 0;
mutex_lock(&EXT4_SB(inode->i_sb)->s_orphan_lock);
if (list_empty(&ei->i_orphan))
goto out;
ino_next = NEXT_ORPHAN(inode);
prev = ei->i_orphan.prev;
sbi = EXT4_SB(inode->i_sb);
jbd_debug(4, "remove inode %lu from orphan list\n", inode->i_ino);
list_del_init(&ei->i_orphan);
/* If we're on an error path, we may not have a valid
* transaction handle with which to update the orphan list on
* disk, but we still need to remove the inode from the linked
* list in memory. */
if (!handle)
goto out;
err = ext4_reserve_inode_write(handle, inode, &iloc);
if (err)
goto out_err;
if (prev == &sbi->s_orphan) {
jbd_debug(4, "superblock will point to %u\n", ino_next);
BUFFER_TRACE(sbi->s_sbh, "get_write_access");
err = ext4_journal_get_write_access(handle, sbi->s_sbh);
if (err)
goto out_brelse;
sbi->s_es->s_last_orphan = cpu_to_le32(ino_next);
err = ext4_handle_dirty_super(handle, inode->i_sb);
} else {
struct ext4_iloc iloc2;
struct inode *i_prev =
&list_entry(prev, struct ext4_inode_info, i_orphan)->vfs_inode;
jbd_debug(4, "orphan inode %lu will point to %u\n",
i_prev->i_ino, ino_next);
err = ext4_reserve_inode_write(handle, i_prev, &iloc2);
if (err)
goto out_brelse;
NEXT_ORPHAN(i_prev) = ino_next;
err = ext4_mark_iloc_dirty(handle, i_prev, &iloc2);
}
if (err)
goto out_brelse;
NEXT_ORPHAN(inode) = 0;
err = ext4_mark_iloc_dirty(handle, inode, &iloc);
out_err:
ext4_std_error(inode->i_sb, err);
out:
mutex_unlock(&EXT4_SB(inode->i_sb)->s_orphan_lock);
return err;
out_brelse:
brelse(iloc.bh);
goto out_err;
} | 368 | True | 1 |
||
CVE-2013-3302 | False | False | False | False | AV:L/AC:M/Au:N/C:P/I:P/A:P | LOCAL | MEDIUM | NONE | PARTIAL | PARTIAL | PARTIAL | 4.4 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2013/04/15/2', 'name': '[oss-security] 20130415 CVE request: Linux kernel: cifs: NULL pointer dereference', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.2', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.2', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=952260', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=952260', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/ea702b80e0bbb2448e201472127288beb82ca2fe', 'name': 'https://github.com/torvalds/linux/commit/ea702b80e0bbb2448e201472127288beb82ca2fe', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ea702b80e0bbb2448e201472127288beb82ca2fe', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ea702b80e0bbb2448e201472127288beb82ca2fe', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.securityfocus.com/bid/59064', 'name': '59064', 'refsource': 'BID', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-362'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.48:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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Linux kernel before 3.7.2 allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via vectors involving a reconnection event.'}] | 2013-05-04T03:24Z | 2013-04-29T14:55Z | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. |
This can have security implications when the expected synchronization is in security-critical code, such as recording whether a user is authenticated or modifying important state information that should not be influenced by an outsider.
A race condition occurs within concurrent environments, and is effectively a property of a code sequence. Depending on the context, a code sequence may be in the form of a function call, a small number of instructions, a series of program invocations, etc.
A race condition violates these properties, which are closely related:
Exclusivity - the code sequence is given exclusive access to the shared resource, i.e., no other code sequence can modify properties of the shared resource before the original sequence has completed execution.
Atomicity - the code sequence is behaviorally atomic, i.e., no other thread or process can concurrently execute the same sequence of instructions (or a subset) against the same resource.
A race condition exists when an "interfering code sequence" can still access the shared resource, violating exclusivity. Programmers may assume that certain code sequences execute too quickly to be affected by an interfering code sequence; when they are not, this violates atomicity. For example, the single "x++" statement may appear atomic at the code layer, but it is actually non-atomic at the instruction layer, since it involves a read (the original value of x), followed by a computation (x+1), followed by a write (save the result to x).
The interfering code sequence could be "trusted" or "untrusted." A trusted interfering code sequence occurs within the program; it cannot be modified by the attacker, and it can only be invoked indirectly. An untrusted interfering code sequence can be authored directly by the attacker, and typically it is external to the vulnerable program.
| https://cwe.mitre.org/data/definitions/362.html | 0 | Jeff Layton | 2012-12-27 07:28:55-05:00 | cifs: move check for NULL socket into smb_send_rqst
Cai reported this oops:
[90701.616664] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
[90701.625438] IP: [<ffffffff814a343e>] kernel_setsockopt+0x2e/0x60
[90701.632167] PGD fea319067 PUD 103fda4067 PMD 0
[90701.637255] Oops: 0000 [#1] SMP
[90701.640878] Modules linked in: des_generic md4 nls_utf8 cifs dns_resolver binfmt_misc tun sg igb iTCO_wdt iTCO_vendor_support lpc_ich pcspkr i2c_i801 i2c_core i7core_edac edac_core ioatdma dca mfd_core coretemp kvm_intel kvm crc32c_intel microcode sr_mod cdrom ata_generic sd_mod pata_acpi crc_t10dif ata_piix libata megaraid_sas dm_mirror dm_region_hash dm_log dm_mod
[90701.677655] CPU 10
[90701.679808] Pid: 9627, comm: ls Tainted: G W 3.7.1+ #10 QCI QSSC-S4R/QSSC-S4R
[90701.688950] RIP: 0010:[<ffffffff814a343e>] [<ffffffff814a343e>] kernel_setsockopt+0x2e/0x60
[90701.698383] RSP: 0018:ffff88177b431bb8 EFLAGS: 00010206
[90701.704309] RAX: ffff88177b431fd8 RBX: 00007ffffffff000 RCX: ffff88177b431bec
[90701.712271] RDX: 0000000000000003 RSI: 0000000000000006 RDI: 0000000000000000
[90701.720223] RBP: ffff88177b431bc8 R08: 0000000000000004 R09: 0000000000000000
[90701.728185] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
[90701.736147] R13: ffff88184ef92000 R14: 0000000000000023 R15: ffff88177b431c88
[90701.744109] FS: 00007fd56a1a47c0(0000) GS:ffff88105fc40000(0000) knlGS:0000000000000000
[90701.753137] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[90701.759550] CR2: 0000000000000028 CR3: 000000104f15f000 CR4: 00000000000007e0
[90701.767512] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[90701.775465] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[90701.783428] Process ls (pid: 9627, threadinfo ffff88177b430000, task ffff88185ca4cb60)
[90701.792261] Stack:
[90701.794505] 0000000000000023 ffff88177b431c50 ffff88177b431c38 ffffffffa014fcb1
[90701.802809] ffff88184ef921bc 0000000000000000 00000001ffffffff ffff88184ef921c0
[90701.811123] ffff88177b431c08 ffffffff815ca3d9 ffff88177b431c18 ffff880857758000
[90701.819433] Call Trace:
[90701.822183] [<ffffffffa014fcb1>] smb_send_rqst+0x71/0x1f0 [cifs]
[90701.828991] [<ffffffff815ca3d9>] ? schedule+0x29/0x70
[90701.834736] [<ffffffffa014fe6d>] smb_sendv+0x3d/0x40 [cifs]
[90701.841062] [<ffffffffa014fe96>] smb_send+0x26/0x30 [cifs]
[90701.847291] [<ffffffffa015801f>] send_nt_cancel+0x6f/0xd0 [cifs]
[90701.854102] [<ffffffffa015075e>] SendReceive+0x18e/0x360 [cifs]
[90701.860814] [<ffffffffa0134a78>] CIFSFindFirst+0x1a8/0x3f0 [cifs]
[90701.867724] [<ffffffffa013f731>] ? build_path_from_dentry+0xf1/0x260 [cifs]
[90701.875601] [<ffffffffa013f731>] ? build_path_from_dentry+0xf1/0x260 [cifs]
[90701.883477] [<ffffffffa01578e6>] cifs_query_dir_first+0x26/0x30 [cifs]
[90701.890869] [<ffffffffa015480d>] initiate_cifs_search+0xed/0x250 [cifs]
[90701.898354] [<ffffffff81195970>] ? fillonedir+0x100/0x100
[90701.904486] [<ffffffffa01554cb>] cifs_readdir+0x45b/0x8f0 [cifs]
[90701.911288] [<ffffffff81195970>] ? fillonedir+0x100/0x100
[90701.917410] [<ffffffff81195970>] ? fillonedir+0x100/0x100
[90701.923533] [<ffffffff81195970>] ? fillonedir+0x100/0x100
[90701.929657] [<ffffffff81195848>] vfs_readdir+0xb8/0xe0
[90701.935490] [<ffffffff81195b9f>] sys_getdents+0x8f/0x110
[90701.941521] [<ffffffff815d3b99>] system_call_fastpath+0x16/0x1b
[90701.948222] Code: 66 90 55 65 48 8b 04 25 f0 c6 00 00 48 89 e5 53 48 83 ec 08 83 fe 01 48 8b 98 48 e0 ff ff 48 c7 80 48 e0 ff ff ff ff ff ff 74 22 <48> 8b 47 28 ff 50 68 65 48 8b 14 25 f0 c6 00 00 48 89 9a 48 e0
[90701.970313] RIP [<ffffffff814a343e>] kernel_setsockopt+0x2e/0x60
[90701.977125] RSP <ffff88177b431bb8>
[90701.981018] CR2: 0000000000000028
[90701.984809] ---[ end trace 24bd602971110a43 ]---
This is likely due to a race vs. a reconnection event.
The current code checks for a NULL socket in smb_send_kvec, but that's
too late. By the time that check is done, the socket will already have
been passed to kernel_setsockopt. Move the check into smb_send_rqst, so
that it's checked earlier.
In truth, this is a bit of a half-assed fix. The -ENOTSOCK error
return here looks like it could bubble back up to userspace. The locking
rules around the ssocket pointer are really unclear as well. There are
cases where the ssocket pointer is changed without holding the srv_mutex,
but I'm not clear whether there's a potential race here yet or not.
This code seems like it could benefit from some fundamental re-think of
how the socket handling should behave. Until then though, this patch
should at least fix the above oops in most cases.
Cc: <[email protected]> # 3.7+
Reported-and-Tested-by: CAI Qian <[email protected]>
Signed-off-by: Jeff Layton <[email protected]>
Signed-off-by: Steve French <[email protected]> | ea702b80e0bbb2448e201472127288beb82ca2fe | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | smb_send_kvec | smb_send_kvec( struct TCP_Server_Info * server , struct kvec * iov , size_t n_vec , size_t * sent) | ['server', 'iov', 'n_vec', 'sent'] | smb_send_kvec(struct TCP_Server_Info *server, struct kvec *iov, size_t n_vec,
size_t *sent)
{
int rc = 0;
int i = 0;
struct msghdr smb_msg;
unsigned int remaining;
size_t first_vec = 0;
struct socket *ssocket = server->ssocket;
*sent = 0;
if (ssocket == NULL)
return -ENOTSOCK; /* BB eventually add reconnect code here */
smb_msg.msg_name = (struct sockaddr *) &server->dstaddr;
smb_msg.msg_namelen = sizeof(struct sockaddr);
smb_msg.msg_control = NULL;
smb_msg.msg_controllen = 0;
if (server->noblocksnd)
smb_msg.msg_flags = MSG_DONTWAIT + MSG_NOSIGNAL;
else
smb_msg.msg_flags = MSG_NOSIGNAL;
remaining = 0;
for (i = 0; i < n_vec; i++)
remaining += iov[i].iov_len;
i = 0;
while (remaining) {
/*
* If blocking send, we try 3 times, since each can block
* for 5 seconds. For nonblocking we have to try more
* but wait increasing amounts of time allowing time for
* socket to clear. The overall time we wait in either
* case to send on the socket is about 15 seconds.
* Similarly we wait for 15 seconds for a response from
* the server in SendReceive[2] for the server to send
* a response back for most types of requests (except
* SMB Write past end of file which can be slow, and
* blocking lock operations). NFS waits slightly longer
* than CIFS, but this can make it take longer for
* nonresponsive servers to be detected and 15 seconds
* is more than enough time for modern networks to
* send a packet. In most cases if we fail to send
* after the retries we will kill the socket and
* reconnect which may clear the network problem.
*/
rc = kernel_sendmsg(ssocket, &smb_msg, &iov[first_vec],
n_vec - first_vec, remaining);
if (rc == -ENOSPC || rc == -EAGAIN) {
/*
* Catch if a low level driver returns -ENOSPC. This
* WARN_ON will be removed by 3.10 if no one reports
* seeing this.
*/
WARN_ON_ONCE(rc == -ENOSPC);
i++;
if (i >= 14 || (!server->noblocksnd && (i > 2))) {
cERROR(1, "sends on sock %p stuck for 15 "
"seconds", ssocket);
rc = -EAGAIN;
break;
}
msleep(1 << i);
continue;
}
if (rc < 0)
break;
/* send was at least partially successful */
*sent += rc;
if (rc == remaining) {
remaining = 0;
break;
}
if (rc > remaining) {
cERROR(1, "sent %d requested %d", rc, remaining);
break;
}
if (rc == 0) {
/* should never happen, letting socket clear before
retrying is our only obvious option here */
cERROR(1, "tcp sent no data");
msleep(500);
continue;
}
remaining -= rc;
/* the line below resets i */
for (i = first_vec; i < n_vec; i++) {
if (iov[i].iov_len) {
if (rc > iov[i].iov_len) {
rc -= iov[i].iov_len;
iov[i].iov_len = 0;
} else {
iov[i].iov_base += rc;
iov[i].iov_len -= rc;
first_vec = i;
break;
}
}
}
i = 0; /* in case we get ENOSPC on the next send */
rc = 0;
}
return rc;
} | 425 | True | 1 |
|
CVE-2013-0349 | False | False | False | False | AV:L/AC:M/Au:N/C:P/I:N/A:N | LOCAL | MEDIUM | NONE | PARTIAL | NONE | NONE | 1.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.6', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0a9ab9bdb3e891762553f667066190c1d22ad62b', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0a9ab9bdb3e891762553f667066190c1d22ad62b', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=914298', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=914298', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/23/3', 'name': '[oss-security] 20130222 Re: CVE request: Linux kernel: Bluetooth HIDP information disclosure', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/0a9ab9bdb3e891762553f667066190c1d22ad62b', 'name': 'https://github.com/torvalds/linux/commit/0a9ab9bdb3e891762553f667066190c1d22ad62b', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0744.html', 'name': 'RHSA-2013:0744', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1805-1', 'name': 'USN-1805-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1808-1', 'name': 'USN-1808-1', 'refsource': 'UBUNTU', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-200'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The hidp_setup_hid function in net/bluetooth/hidp/core.c in the Linux kernel before 3.7.6 does not properly copy a certain name field, which allows local users to obtain sensitive information from kernel memory by setting a long name and making an HIDPCONNADD ioctl call.'}] | 2013-06-05T03:40Z | 2013-02-28T19:55Z | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include:
private, personal information, such as personal messages, financial data, health records, geographic location, or contact details
system status and environment, such as the operating system and installed packages
business secrets and intellectual property
network status and configuration
the product's own code or internal state
metadata, e.g. logging of connections or message headers
indirect information, such as a discrepancy between two internal operations that can be observed by an outsider
Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include:
the product's own users
people or organizations whose information is created or used by the product, even if they are not direct product users
the product's administrators, including the admins of the system(s) and/or networks on which the product operates
the developer
Information exposures can occur in different ways:
the code explicitly inserts sensitive information into resources or messages that are intentionally made accessible to unauthorized actors, but should not contain the information - i.e., the information should have been "scrubbed" or "sanitized"
a different weakness or mistake indirectly inserts the sensitive information into resources, such as a web script error revealing the full system path of the program.
the code manages resources that intentionally contain sensitive information, but the resources are unintentionally made accessible to unauthorized actors. In this case, the information exposure is resultant - i.e., a different weakness enabled the access to the information in the first place.
It is common practice to describe any loss of confidentiality as an "information exposure," but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read. CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.
| https://cwe.mitre.org/data/definitions/200.html | 0 | Anderson Lizardo | 2013-01-06 18:28:53-04:00 | Bluetooth: Fix incorrect strncpy() in hidp_setup_hid()
The length parameter should be sizeof(req->name) - 1 because there is no
guarantee that string provided by userspace will contain the trailing
'\0'.
Can be easily reproduced by manually setting req->name to 128 non-zero
bytes prior to ioctl(HIDPCONNADD) and checking the device name setup on
input subsystem:
$ cat /sys/devices/pnp0/00\:04/tty/ttyS0/hci0/hci0\:1/input8/name
AAAAAA[...]AAAAAAAAf0:af:f0:af:f0:af
("f0:af:f0:af:f0:af" is the device bluetooth address, taken from "phys"
field in struct hid_device due to overflow.)
Cc: [email protected]
Signed-off-by: Anderson Lizardo <[email protected]>
Acked-by: Marcel Holtmann <[email protected]>
Signed-off-by: Gustavo Padovan <[email protected]> | 0a9ab9bdb3e891762553f667066190c1d22ad62b | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | hidp_setup_hid | hidp_setup_hid( struct hidp_session * session , struct hidp_connadd_req * req) | ['session', 'req'] | static int hidp_setup_hid(struct hidp_session *session,
struct hidp_connadd_req *req)
{
struct hid_device *hid;
int err;
session->rd_data = kzalloc(req->rd_size, GFP_KERNEL);
if (!session->rd_data)
return -ENOMEM;
if (copy_from_user(session->rd_data, req->rd_data, req->rd_size)) {
err = -EFAULT;
goto fault;
}
session->rd_size = req->rd_size;
hid = hid_allocate_device();
if (IS_ERR(hid)) {
err = PTR_ERR(hid);
goto fault;
}
session->hid = hid;
hid->driver_data = session;
hid->bus = BUS_BLUETOOTH;
hid->vendor = req->vendor;
hid->product = req->product;
hid->version = req->version;
hid->country = req->country;
strncpy(hid->name, req->name, 128);
snprintf(hid->phys, sizeof(hid->phys), "%pMR",
&bt_sk(session->ctrl_sock->sk)->src);
snprintf(hid->uniq, sizeof(hid->uniq), "%pMR",
&bt_sk(session->ctrl_sock->sk)->dst);
hid->dev.parent = &session->conn->dev;
hid->ll_driver = &hidp_hid_driver;
hid->hid_get_raw_report = hidp_get_raw_report;
hid->hid_output_raw_report = hidp_output_raw_report;
/* True if device is blacklisted in drivers/hid/hid-core.c */
if (hid_ignore(hid)) {
hid_destroy_device(session->hid);
session->hid = NULL;
return -ENODEV;
}
return 0;
fault:
kfree(session->rd_data);
session->rd_data = NULL;
return err;
} | 304 | True | 1 |
|
CVE-2013-0313 | False | False | False | False | AV:L/AC:H/Au:N/C:C/I:C/A:C | LOCAL | HIGH | NONE | COMPLETE | COMPLETE | COMPLETE | 6.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a67adb997419fb53540d4a4f79c6471c60bc69b6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a67adb997419fb53540d4a4f79c6471c60bc69b6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/20/16', 'name': '[oss-security] 20130220 Re: CVE request - Linux kernel: evm: NULL pointer de-reference flaw', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/a67adb997419fb53540d4a4f79c6471c60bc69b6', 'name': 'https://github.com/torvalds/linux/commit/a67adb997419fb53540d4a4f79c6471c60bc69b6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=913266', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=913266', 'refsource': 'CONFIRM', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'NVD-CWE-noinfo'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.21:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The evm_update_evmxattr function in security/integrity/evm/evm_crypto.c in the Linux kernel before 3.7.5, when the Extended Verification Module (EVM) is enabled, allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via an attempted removexattr operation on an inode of a sockfs filesystem.'}] | 2013-02-22T14:25Z | 2013-02-22T00:55Z | Insufficient Information | There is insufficient information about the issue to classify it; details are unkown or unspecified. | Insufficient Information | https://nvd.nist.gov/vuln/categories | 0 | Dmitry Kasatkin | 2013-01-18 23:56:39+02:00 | evm: checking if removexattr is not a NULL
The following lines of code produce a kernel oops.
fd = socket(PF_FILE, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
fchmod(fd, 0666);
[ 139.922364] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 139.924982] IP: [< (null)>] (null)
[ 139.924982] *pde = 00000000
[ 139.924982] Oops: 0000 [#5] SMP
[ 139.924982] Modules linked in: fuse dm_crypt dm_mod i2c_piix4 serio_raw evdev binfmt_misc button
[ 139.924982] Pid: 3070, comm: acpid Tainted: G D 3.8.0-rc2-kds+ #465 Bochs Bochs
[ 139.924982] EIP: 0060:[<00000000>] EFLAGS: 00010246 CPU: 0
[ 139.924982] EIP is at 0x0
[ 139.924982] EAX: cf5ef000 EBX: cf5ef000 ECX: c143d600 EDX: c15225f2
[ 139.924982] ESI: cf4d2a1c EDI: cf4d2a1c EBP: cc02df10 ESP: cc02dee4
[ 139.924982] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 139.924982] CR0: 80050033 CR2: 00000000 CR3: 0c059000 CR4: 000006d0
[ 139.924982] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 139.924982] DR6: ffff0ff0 DR7: 00000400
[ 139.924982] Process acpid (pid: 3070, ti=cc02c000 task=d7705340 task.ti=cc02c000)
[ 139.924982] Stack:
[ 139.924982] c1203c88 00000000 cc02def4 cf4d2a1c ae21eefa 471b60d5 1083c1ba c26a5940
[ 139.924982] e891fb5e 00000041 00000004 cc02df1c c1203964 00000000 cc02df4c c10e20c3
[ 139.924982] 00000002 00000000 00000000 22222222 c1ff2222 cf5ef000 00000000 d76efb08
[ 139.924982] Call Trace:
[ 139.924982] [<c1203c88>] ? evm_update_evmxattr+0x5b/0x62
[ 139.924982] [<c1203964>] evm_inode_post_setattr+0x22/0x26
[ 139.924982] [<c10e20c3>] notify_change+0x25f/0x281
[ 139.924982] [<c10cbf56>] chmod_common+0x59/0x76
[ 139.924982] [<c10e27a1>] ? put_unused_fd+0x33/0x33
[ 139.924982] [<c10cca09>] sys_fchmod+0x39/0x5c
[ 139.924982] [<c13f4f30>] syscall_call+0x7/0xb
[ 139.924982] Code: Bad EIP value.
This happens because sockets do not define the removexattr operation.
Before removing the xattr, verify the removexattr function pointer is
not NULL.
Signed-off-by: Dmitry Kasatkin <[email protected]>
Signed-off-by: Mimi Zohar <[email protected]>
Cc: [email protected]
Signed-off-by: James Morris <[email protected]> | a67adb997419fb53540d4a4f79c6471c60bc69b6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | evm_update_evmxattr | evm_update_evmxattr( struct dentry * dentry , const char * xattr_name , const char * xattr_value , size_t xattr_value_len) | ['dentry', 'xattr_name', 'xattr_value', 'xattr_value_len'] | int evm_update_evmxattr(struct dentry *dentry, const char *xattr_name,
const char *xattr_value, size_t xattr_value_len)
{
struct inode *inode = dentry->d_inode;
struct evm_ima_xattr_data xattr_data;
int rc = 0;
rc = evm_calc_hmac(dentry, xattr_name, xattr_value,
xattr_value_len, xattr_data.digest);
if (rc == 0) {
xattr_data.type = EVM_XATTR_HMAC;
rc = __vfs_setxattr_noperm(dentry, XATTR_NAME_EVM,
&xattr_data,
sizeof(xattr_data), 0);
}
else if (rc == -ENODATA)
rc = inode->i_op->removexattr(dentry, XATTR_NAME_EVM);
return rc;
} | 114 | True | 1 |
|
CVE-2013-0871 | False | False | False | False | AV:L/AC:M/Au:N/C:C/I:C/A:C | LOCAL | MEDIUM | NONE | COMPLETE | COMPLETE | COMPLETE | 6.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9899d11f654474d2d54ea52ceaa2a1f4db3abd68', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9899d11f654474d2d54ea52ceaa2a1f4db3abd68', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=911937', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=911937', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/15/16', 'name': '[oss-security] 20130215 Linux kernel race condition with PTRACE_SETREGS (CVE-2013-0871)', 'refsource': 'MLIST', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/9899d11f654474d2d54ea52ceaa2a1f4db3abd68', 'name': 'https://github.com/torvalds/linux/commit/9899d11f654474d2d54ea52ceaa2a1f4db3abd68', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0567.html', 'name': 'RHSA-2013:0567', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.debian.org/security/2013/dsa-2632', 'name': 'DSA-2632', 'refsource': 'DEBIAN', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1740-1', 'name': 'USN-1740-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1744-1', 'name': 'USN-1744-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1745-1', 'name': 'USN-1745-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1741-1', 'name': 'USN-1741-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1739-1', 'name': 'USN-1739-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00022.html', 'name': 'SUSE-SU-2013:0341', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1736-1', 'name': 'USN-1736-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1738-1', 'name': 'USN-1738-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1743-1', 'name': 'USN-1743-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1737-1', 'name': 'USN-1737-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1742-1', 'name': 'USN-1742-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0661.html', 'name': 'RHSA-2013:0661', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0695.html', 'name': 'RHSA-2013:0695', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0662.html', 'name': 'RHSA-2013:0662', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html', 'name': 'SUSE-SU-2013:0674', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html', 'name': 'openSUSE-SU-2013:0925', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-362'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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the Linux kernel before 3.7.5 allows local users to gain privileges via a PTRACE_SETREGS ptrace system call in a crafted application, as demonstrated by ptrace_death.'}] | 2013-06-21T03:16Z | 2013-02-18T04:41Z | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. |
This can have security implications when the expected synchronization is in security-critical code, such as recording whether a user is authenticated or modifying important state information that should not be influenced by an outsider.
A race condition occurs within concurrent environments, and is effectively a property of a code sequence. Depending on the context, a code sequence may be in the form of a function call, a small number of instructions, a series of program invocations, etc.
A race condition violates these properties, which are closely related:
Exclusivity - the code sequence is given exclusive access to the shared resource, i.e., no other code sequence can modify properties of the shared resource before the original sequence has completed execution.
Atomicity - the code sequence is behaviorally atomic, i.e., no other thread or process can concurrently execute the same sequence of instructions (or a subset) against the same resource.
A race condition exists when an "interfering code sequence" can still access the shared resource, violating exclusivity. Programmers may assume that certain code sequences execute too quickly to be affected by an interfering code sequence; when they are not, this violates atomicity. For example, the single "x++" statement may appear atomic at the code layer, but it is actually non-atomic at the instruction layer, since it involves a read (the original value of x), followed by a computation (x+1), followed by a write (save the result to x).
The interfering code sequence could be "trusted" or "untrusted." A trusted interfering code sequence occurs within the program; it cannot be modified by the attacker, and it can only be invoked indirectly. An untrusted interfering code sequence can be authored directly by the attacker, and typically it is external to the vulnerable program.
| https://cwe.mitre.org/data/definitions/362.html | 0 | Oleg Nesterov | 2013-01-21 20:48:00+01:00 | ptrace: ensure arch_ptrace/ptrace_request can never race with SIGKILL
putreg() assumes that the tracee is not running and pt_regs_access() can
safely play with its stack. However a killed tracee can return from
ptrace_stop() to the low-level asm code and do RESTORE_REST, this means
that debugger can actually read/modify the kernel stack until the tracee
does SAVE_REST again.
set_task_blockstep() can race with SIGKILL too and in some sense this
race is even worse, the very fact the tracee can be woken up breaks the
logic.
As Linus suggested we can clear TASK_WAKEKILL around the arch_ptrace()
call, this ensures that nobody can ever wakeup the tracee while the
debugger looks at it. Not only this fixes the mentioned problems, we
can do some cleanups/simplifications in arch_ptrace() paths.
Probably ptrace_unfreeze_traced() needs more callers, for example it
makes sense to make the tracee killable for oom-killer before
access_process_vm().
While at it, add the comment into may_ptrace_stop() to explain why
ptrace_stop() still can't rely on SIGKILL and signal_pending_state().
Reported-by: Salman Qazi <[email protected]>
Reported-by: Suleiman Souhlal <[email protected]>
Suggested-by: Linus Torvalds <[email protected]>
Signed-off-by: Oleg Nesterov <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]> | 9899d11f654474d2d54ea52ceaa2a1f4db3abd68 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | set_task_blockstep | set_task_blockstep( struct task_struct * task , bool on) | ['task', 'on'] | void set_task_blockstep(struct task_struct *task, bool on)
{
unsigned long debugctl;
/*
* Ensure irq/preemption can't change debugctl in between.
* Note also that both TIF_BLOCKSTEP and debugctl should
* be changed atomically wrt preemption.
* FIXME: this means that set/clear TIF_BLOCKSTEP is simply
* wrong if task != current, SIGKILL can wakeup the stopped
* tracee and set/clear can play with the running task, this
* can confuse the next __switch_to_xtra().
*/
local_irq_disable();
debugctl = get_debugctlmsr();
if (on) {
debugctl |= DEBUGCTLMSR_BTF;
set_tsk_thread_flag(task, TIF_BLOCKSTEP);
} else {
debugctl &= ~DEBUGCTLMSR_BTF;
clear_tsk_thread_flag(task, TIF_BLOCKSTEP);
}
if (task == current)
update_debugctlmsr(debugctl);
local_irq_enable();
} | 72 | True | 1 |
|
CVE-2013-0871 | False | False | False | False | AV:L/AC:M/Au:N/C:C/I:C/A:C | LOCAL | MEDIUM | NONE | COMPLETE | COMPLETE | COMPLETE | 6.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9899d11f654474d2d54ea52ceaa2a1f4db3abd68', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9899d11f654474d2d54ea52ceaa2a1f4db3abd68', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=911937', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=911937', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/15/16', 'name': '[oss-security] 20130215 Linux kernel race condition with 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'REDHAT', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0662.html', 'name': 'RHSA-2013:0662', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html', 'name': 'SUSE-SU-2013:0674', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html', 'name': 'openSUSE-SU-2013:0925', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-362'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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the Linux kernel before 3.7.5 allows local users to gain privileges via a PTRACE_SETREGS ptrace system call in a crafted application, as demonstrated by ptrace_death.'}] | 2013-06-21T03:16Z | 2013-02-18T04:41Z | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. |
This can have security implications when the expected synchronization is in security-critical code, such as recording whether a user is authenticated or modifying important state information that should not be influenced by an outsider.
A race condition occurs within concurrent environments, and is effectively a property of a code sequence. Depending on the context, a code sequence may be in the form of a function call, a small number of instructions, a series of program invocations, etc.
A race condition violates these properties, which are closely related:
Exclusivity - the code sequence is given exclusive access to the shared resource, i.e., no other code sequence can modify properties of the shared resource before the original sequence has completed execution.
Atomicity - the code sequence is behaviorally atomic, i.e., no other thread or process can concurrently execute the same sequence of instructions (or a subset) against the same resource.
A race condition exists when an "interfering code sequence" can still access the shared resource, violating exclusivity. Programmers may assume that certain code sequences execute too quickly to be affected by an interfering code sequence; when they are not, this violates atomicity. For example, the single "x++" statement may appear atomic at the code layer, but it is actually non-atomic at the instruction layer, since it involves a read (the original value of x), followed by a computation (x+1), followed by a write (save the result to x).
The interfering code sequence could be "trusted" or "untrusted." A trusted interfering code sequence occurs within the program; it cannot be modified by the attacker, and it can only be invoked indirectly. An untrusted interfering code sequence can be authored directly by the attacker, and typically it is external to the vulnerable program.
| https://cwe.mitre.org/data/definitions/362.html | 0 | Oleg Nesterov | 2013-01-21 20:48:00+01:00 | ptrace: ensure arch_ptrace/ptrace_request can never race with SIGKILL
putreg() assumes that the tracee is not running and pt_regs_access() can
safely play with its stack. However a killed tracee can return from
ptrace_stop() to the low-level asm code and do RESTORE_REST, this means
that debugger can actually read/modify the kernel stack until the tracee
does SAVE_REST again.
set_task_blockstep() can race with SIGKILL too and in some sense this
race is even worse, the very fact the tracee can be woken up breaks the
logic.
As Linus suggested we can clear TASK_WAKEKILL around the arch_ptrace()
call, this ensures that nobody can ever wakeup the tracee while the
debugger looks at it. Not only this fixes the mentioned problems, we
can do some cleanups/simplifications in arch_ptrace() paths.
Probably ptrace_unfreeze_traced() needs more callers, for example it
makes sense to make the tracee killable for oom-killer before
access_process_vm().
While at it, add the comment into may_ptrace_stop() to explain why
ptrace_stop() still can't rely on SIGKILL and signal_pending_state().
Reported-by: Salman Qazi <[email protected]>
Reported-by: Suleiman Souhlal <[email protected]>
Suggested-by: Linus Torvalds <[email protected]>
Signed-off-by: Oleg Nesterov <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]> | 9899d11f654474d2d54ea52ceaa2a1f4db3abd68 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | compat_sys_ptrace | compat_sys_ptrace( compat_long_t request , compat_long_t pid , compat_long_t addr , compat_long_t data) | ['request', 'pid', 'addr', 'data'] | asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
compat_long_t addr, compat_long_t data)
{
struct task_struct *child;
long ret;
if (request == PTRACE_TRACEME) {
ret = ptrace_traceme();
goto out;
}
child = ptrace_get_task_struct(pid);
if (IS_ERR(child)) {
ret = PTR_ERR(child);
goto out;
}
if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) {
ret = ptrace_attach(child, request, addr, data);
/*
* Some architectures need to do book-keeping after
* a ptrace attach.
*/
if (!ret)
arch_ptrace_attach(child);
goto out_put_task_struct;
}
ret = ptrace_check_attach(child, request == PTRACE_KILL ||
request == PTRACE_INTERRUPT);
if (!ret)
ret = compat_arch_ptrace(child, request, addr, data);
out_put_task_struct:
put_task_struct(child);
out:
return ret;
} | 150 | True | 1 |
|
CVE-2013-0871 | False | False | False | False | AV:L/AC:M/Au:N/C:C/I:C/A:C | LOCAL | MEDIUM | NONE | COMPLETE | COMPLETE | COMPLETE | 6.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9899d11f654474d2d54ea52ceaa2a1f4db3abd68', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9899d11f654474d2d54ea52ceaa2a1f4db3abd68', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=911937', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=911937', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.5', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.5', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/15/16', 'name': '[oss-security] 20130215 Linux kernel race condition with PTRACE_SETREGS (CVE-2013-0871)', 'refsource': 'MLIST', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/9899d11f654474d2d54ea52ceaa2a1f4db3abd68', 'name': 'https://github.com/torvalds/linux/commit/9899d11f654474d2d54ea52ceaa2a1f4db3abd68', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0567.html', 'name': 'RHSA-2013:0567', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://www.debian.org/security/2013/dsa-2632', 'name': 'DSA-2632', 'refsource': 'DEBIAN', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1740-1', 'name': 'USN-1740-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1744-1', 'name': 'USN-1744-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1745-1', 'name': 'USN-1745-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1741-1', 'name': 'USN-1741-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1739-1', 'name': 'USN-1739-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00022.html', 'name': 'SUSE-SU-2013:0341', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1736-1', 'name': 'USN-1736-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1738-1', 'name': 'USN-1738-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1743-1', 'name': 'USN-1743-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1737-1', 'name': 'USN-1737-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1742-1', 'name': 'USN-1742-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0661.html', 'name': 'RHSA-2013:0661', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0695.html', 'name': 'RHSA-2013:0695', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://rhn.redhat.com/errata/RHSA-2013-0662.html', 'name': 'RHSA-2013:0662', 'refsource': 'REDHAT', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html', 'name': 'SUSE-SU-2013:0674', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html', 'name': 'openSUSE-SU-2013:0925', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-362'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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the Linux kernel before 3.7.5 allows local users to gain privileges via a PTRACE_SETREGS ptrace system call in a crafted application, as demonstrated by ptrace_death.'}] | 2013-06-21T03:16Z | 2013-02-18T04:41Z | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. |
This can have security implications when the expected synchronization is in security-critical code, such as recording whether a user is authenticated or modifying important state information that should not be influenced by an outsider.
A race condition occurs within concurrent environments, and is effectively a property of a code sequence. Depending on the context, a code sequence may be in the form of a function call, a small number of instructions, a series of program invocations, etc.
A race condition violates these properties, which are closely related:
Exclusivity - the code sequence is given exclusive access to the shared resource, i.e., no other code sequence can modify properties of the shared resource before the original sequence has completed execution.
Atomicity - the code sequence is behaviorally atomic, i.e., no other thread or process can concurrently execute the same sequence of instructions (or a subset) against the same resource.
A race condition exists when an "interfering code sequence" can still access the shared resource, violating exclusivity. Programmers may assume that certain code sequences execute too quickly to be affected by an interfering code sequence; when they are not, this violates atomicity. For example, the single "x++" statement may appear atomic at the code layer, but it is actually non-atomic at the instruction layer, since it involves a read (the original value of x), followed by a computation (x+1), followed by a write (save the result to x).
The interfering code sequence could be "trusted" or "untrusted." A trusted interfering code sequence occurs within the program; it cannot be modified by the attacker, and it can only be invoked indirectly. An untrusted interfering code sequence can be authored directly by the attacker, and typically it is external to the vulnerable program.
| https://cwe.mitre.org/data/definitions/362.html | 0 | Oleg Nesterov | 2013-01-21 20:48:00+01:00 | ptrace: ensure arch_ptrace/ptrace_request can never race with SIGKILL
putreg() assumes that the tracee is not running and pt_regs_access() can
safely play with its stack. However a killed tracee can return from
ptrace_stop() to the low-level asm code and do RESTORE_REST, this means
that debugger can actually read/modify the kernel stack until the tracee
does SAVE_REST again.
set_task_blockstep() can race with SIGKILL too and in some sense this
race is even worse, the very fact the tracee can be woken up breaks the
logic.
As Linus suggested we can clear TASK_WAKEKILL around the arch_ptrace()
call, this ensures that nobody can ever wakeup the tracee while the
debugger looks at it. Not only this fixes the mentioned problems, we
can do some cleanups/simplifications in arch_ptrace() paths.
Probably ptrace_unfreeze_traced() needs more callers, for example it
makes sense to make the tracee killable for oom-killer before
access_process_vm().
While at it, add the comment into may_ptrace_stop() to explain why
ptrace_stop() still can't rely on SIGKILL and signal_pending_state().
Reported-by: Salman Qazi <[email protected]>
Reported-by: Suleiman Souhlal <[email protected]>
Suggested-by: Linus Torvalds <[email protected]>
Signed-off-by: Oleg Nesterov <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]> | 9899d11f654474d2d54ea52ceaa2a1f4db3abd68 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | ptrace_check_attach | ptrace_check_attach( struct task_struct * child , bool ignore_state) | ['child', 'ignore_state'] | static int ptrace_check_attach(struct task_struct *child, bool ignore_state)
{
int ret = -ESRCH;
/*
* We take the read lock around doing both checks to close a
* possible race where someone else was tracing our child and
* detached between these two checks. After this locked check,
* we are sure that this is our traced child and that can only
* be changed by us so it's not changing right after this.
*/
read_lock(&tasklist_lock);
if ((child->ptrace & PT_PTRACED) && child->parent == current) {
/*
* child->sighand can't be NULL, release_task()
* does ptrace_unlink() before __exit_signal().
*/
spin_lock_irq(&child->sighand->siglock);
WARN_ON_ONCE(task_is_stopped(child));
if (ignore_state || (task_is_traced(child) &&
!(child->jobctl & JOBCTL_LISTENING)))
ret = 0;
spin_unlock_irq(&child->sighand->siglock);
}
read_unlock(&tasklist_lock);
if (!ret && !ignore_state)
ret = wait_task_inactive(child, TASK_TRACED) ? 0 : -ESRCH;
/* All systems go.. */
return ret;
} | 125 | True | 1 |
|
CVE-2013-0216 | False | False | False | False | AV:A/AC:M/Au:S/C:N/I:N/A:C | ADJACENT_NETWORK | MEDIUM | SINGLE | NONE | NONE | COMPLETE | 5.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=48856286b64e4b66ec62b94e504d0b29c1ade664', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=48856286b64e4b66ec62b94e504d0b29c1ade664', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/48856286b64e4b66ec62b94e504d0b29c1ade664', 'name': 'https://github.com/torvalds/linux/commit/48856286b64e4b66ec62b94e504d0b29c1ade664', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/05/12', 'name': '[oss-security] 20130205 Xen Security Advisory 39 (CVE-2013-0216,CVE-2013-0217) - Linux netback DoS via malicious guest ring.', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html', 'name': 'openSUSE-SU-2013:0395', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html', 'name': 'SUSE-SU-2013:0674', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html', 'name': 'openSUSE-SU-2013:0925', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-20'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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[{'lang': 'en', 'value': 'The Xen netback functionality in the Linux kernel before 3.7.8 allows guest OS users to cause a denial of service (loop) by triggering ring pointer corruption.'}] | 2013-08-22T06:48Z | 2013-02-18T04:41Z | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. |
Input validation is a frequently-used technique
for checking potentially dangerous inputs in order to
ensure that the inputs are safe for processing within the
code, or when communicating with other components. When
software does not validate input properly, an attacker is
able to craft the input in a form that is not expected by
the rest of the application. This will lead to parts of the
system receiving unintended input, which may result in
altered control flow, arbitrary control of a resource, or
arbitrary code execution.
Input validation is not the only technique for
processing input, however. Other techniques attempt to
transform potentially-dangerous input into something safe, such
as filtering (CWE-790) - which attempts to remove dangerous
inputs - or encoding/escaping (CWE-116), which attempts to
ensure that the input is not misinterpreted when it is included
in output to another component. Other techniques exist as well
(see CWE-138 for more examples.)
Input validation can be applied to:
raw data - strings, numbers, parameters, file contents, etc.
metadata - information about the raw data, such as headers or size
Data can be simple or structured. Structured data
can be composed of many nested layers, composed of
combinations of metadata and raw data, with other simple or
structured data.
Many properties of raw data or metadata may need
to be validated upon entry into the code, such
as:
specified quantities such as size, length, frequency, price, rate, number of operations, time, etc.
implied or derived quantities, such as the actual size of a file instead of a specified size
indexes, offsets, or positions into more complex data structures
symbolic keys or other elements into hash tables, associative arrays, etc.
well-formedness, i.e. syntactic correctness - compliance with expected syntax
lexical token correctness - compliance with rules for what is treated as a token
specified or derived type - the actual type of the input (or what the input appears to be)
consistency - between individual data elements, between raw data and metadata, between references, etc.
conformance to domain-specific rules, e.g. business logic
equivalence - ensuring that equivalent inputs are treated the same
authenticity, ownership, or other attestations about the input, e.g. a cryptographic signature to prove the source of the data
Implied or derived properties of data must often
be calculated or inferred by the code itself. Errors in
deriving properties may be considered a contributing factor
to improper input validation.
Note that "input validation" has very different
meanings to different people, or within different
classification schemes. Caution must be used when
referencing this CWE entry or mapping to it. For example,
some weaknesses might involve inadvertently giving control
to an attacker over an input when they should not be able
to provide an input at all, but sometimes this is referred
to as input validation.
Finally, it is important to emphasize that the
distinctions between input validation and output escaping
are often blurred, and developers must be careful to
understand the difference, including how input validation
is not always sufficient to prevent vulnerabilities,
especially when less stringent data types must be
supported, such as free-form text. Consider a SQL injection
scenario in which a person's last name is inserted into a
query. The name "O'Reilly" would likely pass the validation
step since it is a common last name in the English
language. However, this valid name cannot be directly
inserted into the database because it contains the "'"
apostrophe character, which would need to be escaped or
otherwise transformed. In this case, removing the
apostrophe might reduce the risk of SQL injection, but it
would produce incorrect behavior because the wrong name
would be recorded.
| https://cwe.mitre.org/data/definitions/20.html | 0 | Ian Campbell | 2013-02-06 23:41:35+00:00 | xen/netback: shutdown the ring if it contains garbage.
A buggy or malicious frontend should not be able to confuse netback.
If we spot anything which is not as it should be then shutdown the
device and don't try to continue with the ring in a potentially
hostile state. Well behaved and non-hostile frontends will not be
penalised.
As well as making the existing checks for such errors fatal also add a
new check that ensures that there isn't an insane number of requests
on the ring (i.e. more than would fit in the ring). If the ring
contains garbage then previously is was possible to loop over this
insane number, getting an error each time and therefore not generating
any more pending requests and therefore not exiting the loop in
xen_netbk_tx_build_gops for an externded period.
Also turn various netdev_dbg calls which no precipitate a fatal error
into netdev_err, they are rate limited because the device is shutdown
afterwards.
This fixes at least one known DoS/softlockup of the backend domain.
Signed-off-by: Ian Campbell <[email protected]>
Reviewed-by: Konrad Rzeszutek Wilk <[email protected]>
Acked-by: Jan Beulich <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 48856286b64e4b66ec62b94e504d0b29c1ade664 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | xenvif_disconnect | xenvif_disconnect( struct xenvif * vif) | ['vif'] | void xenvif_disconnect(struct xenvif *vif)
{
struct net_device *dev = vif->dev;
if (netif_carrier_ok(dev)) {
rtnl_lock();
netif_carrier_off(dev); /* discard queued packets */
if (netif_running(dev))
xenvif_down(vif);
rtnl_unlock();
xenvif_put(vif);
}
atomic_dec(&vif->refcnt);
wait_event(vif->waiting_to_free, atomic_read(&vif->refcnt) == 0);
del_timer_sync(&vif->credit_timeout);
if (vif->irq)
unbind_from_irqhandler(vif->irq, vif);
unregister_netdev(vif->dev);
xen_netbk_unmap_frontend_rings(vif);
free_netdev(vif->dev);
} | 124 | True | 1 |
|
CVE-2013-0216 | False | False | False | False | AV:A/AC:M/Au:S/C:N/I:N/A:C | ADJACENT_NETWORK | MEDIUM | SINGLE | NONE | NONE | COMPLETE | 5.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=48856286b64e4b66ec62b94e504d0b29c1ade664', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=48856286b64e4b66ec62b94e504d0b29c1ade664', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/48856286b64e4b66ec62b94e504d0b29c1ade664', 'name': 'https://github.com/torvalds/linux/commit/48856286b64e4b66ec62b94e504d0b29c1ade664', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/05/12', 'name': '[oss-security] 20130205 Xen Security Advisory 39 (CVE-2013-0216,CVE-2013-0217) - Linux netback DoS via malicious guest ring.', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html', 'name': 'openSUSE-SU-2013:0395', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html', 'name': 'SUSE-SU-2013:0674', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html', 'name': 'openSUSE-SU-2013:0925', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-20'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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[{'lang': 'en', 'value': 'The Xen netback functionality in the Linux kernel before 3.7.8 allows guest OS users to cause a denial of service (loop) by triggering ring pointer corruption.'}] | 2013-08-22T06:48Z | 2013-02-18T04:41Z | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. |
Input validation is a frequently-used technique
for checking potentially dangerous inputs in order to
ensure that the inputs are safe for processing within the
code, or when communicating with other components. When
software does not validate input properly, an attacker is
able to craft the input in a form that is not expected by
the rest of the application. This will lead to parts of the
system receiving unintended input, which may result in
altered control flow, arbitrary control of a resource, or
arbitrary code execution.
Input validation is not the only technique for
processing input, however. Other techniques attempt to
transform potentially-dangerous input into something safe, such
as filtering (CWE-790) - which attempts to remove dangerous
inputs - or encoding/escaping (CWE-116), which attempts to
ensure that the input is not misinterpreted when it is included
in output to another component. Other techniques exist as well
(see CWE-138 for more examples.)
Input validation can be applied to:
raw data - strings, numbers, parameters, file contents, etc.
metadata - information about the raw data, such as headers or size
Data can be simple or structured. Structured data
can be composed of many nested layers, composed of
combinations of metadata and raw data, with other simple or
structured data.
Many properties of raw data or metadata may need
to be validated upon entry into the code, such
as:
specified quantities such as size, length, frequency, price, rate, number of operations, time, etc.
implied or derived quantities, such as the actual size of a file instead of a specified size
indexes, offsets, or positions into more complex data structures
symbolic keys or other elements into hash tables, associative arrays, etc.
well-formedness, i.e. syntactic correctness - compliance with expected syntax
lexical token correctness - compliance with rules for what is treated as a token
specified or derived type - the actual type of the input (or what the input appears to be)
consistency - between individual data elements, between raw data and metadata, between references, etc.
conformance to domain-specific rules, e.g. business logic
equivalence - ensuring that equivalent inputs are treated the same
authenticity, ownership, or other attestations about the input, e.g. a cryptographic signature to prove the source of the data
Implied or derived properties of data must often
be calculated or inferred by the code itself. Errors in
deriving properties may be considered a contributing factor
to improper input validation.
Note that "input validation" has very different
meanings to different people, or within different
classification schemes. Caution must be used when
referencing this CWE entry or mapping to it. For example,
some weaknesses might involve inadvertently giving control
to an attacker over an input when they should not be able
to provide an input at all, but sometimes this is referred
to as input validation.
Finally, it is important to emphasize that the
distinctions between input validation and output escaping
are often blurred, and developers must be careful to
understand the difference, including how input validation
is not always sufficient to prevent vulnerabilities,
especially when less stringent data types must be
supported, such as free-form text. Consider a SQL injection
scenario in which a person's last name is inserted into a
query. The name "O'Reilly" would likely pass the validation
step since it is a common last name in the English
language. However, this valid name cannot be directly
inserted into the database because it contains the "'"
apostrophe character, which would need to be escaped or
otherwise transformed. In this case, removing the
apostrophe might reduce the risk of SQL injection, but it
would produce incorrect behavior because the wrong name
would be recorded.
| https://cwe.mitre.org/data/definitions/20.html | 0 | Ian Campbell | 2013-02-06 23:41:35+00:00 | xen/netback: shutdown the ring if it contains garbage.
A buggy or malicious frontend should not be able to confuse netback.
If we spot anything which is not as it should be then shutdown the
device and don't try to continue with the ring in a potentially
hostile state. Well behaved and non-hostile frontends will not be
penalised.
As well as making the existing checks for such errors fatal also add a
new check that ensures that there isn't an insane number of requests
on the ring (i.e. more than would fit in the ring). If the ring
contains garbage then previously is was possible to loop over this
insane number, getting an error each time and therefore not generating
any more pending requests and therefore not exiting the loop in
xen_netbk_tx_build_gops for an externded period.
Also turn various netdev_dbg calls which no precipitate a fatal error
into netdev_err, they are rate limited because the device is shutdown
afterwards.
This fixes at least one known DoS/softlockup of the backend domain.
Signed-off-by: Ian Campbell <[email protected]>
Reviewed-by: Konrad Rzeszutek Wilk <[email protected]>
Acked-by: Jan Beulich <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 48856286b64e4b66ec62b94e504d0b29c1ade664 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | netbk_count_requests | netbk_count_requests( struct xenvif * vif , struct xen_netif_tx_request * first , struct xen_netif_tx_request * txp , int work_to_do) | ['vif', 'first', 'txp', 'work_to_do'] | static int netbk_count_requests(struct xenvif *vif,
struct xen_netif_tx_request *first,
struct xen_netif_tx_request *txp,
int work_to_do)
{
RING_IDX cons = vif->tx.req_cons;
int frags = 0;
if (!(first->flags & XEN_NETTXF_more_data))
return 0;
do {
if (frags >= work_to_do) {
netdev_dbg(vif->dev, "Need more frags\n");
return -frags;
}
if (unlikely(frags >= MAX_SKB_FRAGS)) {
netdev_dbg(vif->dev, "Too many frags\n");
return -frags;
}
memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + frags),
sizeof(*txp));
if (txp->size > first->size) {
netdev_dbg(vif->dev, "Frags galore\n");
return -frags;
}
first->size -= txp->size;
frags++;
if (unlikely((txp->offset + txp->size) > PAGE_SIZE)) {
netdev_dbg(vif->dev, "txp->offset: %x, size: %u\n",
txp->offset, txp->size);
return -frags;
}
} while ((txp++)->flags & XEN_NETTXF_more_data);
return frags;
} | 212 | True | 1 |
|
CVE-2013-0216 | False | False | False | False | AV:A/AC:M/Au:S/C:N/I:N/A:C | ADJACENT_NETWORK | MEDIUM | SINGLE | NONE | NONE | COMPLETE | 5.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=48856286b64e4b66ec62b94e504d0b29c1ade664', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=48856286b64e4b66ec62b94e504d0b29c1ade664', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/48856286b64e4b66ec62b94e504d0b29c1ade664', 'name': 'https://github.com/torvalds/linux/commit/48856286b64e4b66ec62b94e504d0b29c1ade664', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/05/12', 'name': '[oss-security] 20130205 Xen Security Advisory 39 (CVE-2013-0216,CVE-2013-0217) - Linux netback DoS via malicious guest ring.', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html', 'name': 'openSUSE-SU-2013:0395', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html', 'name': 'SUSE-SU-2013:0674', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html', 'name': 'openSUSE-SU-2013:0925', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-20'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.35:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.36:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.38:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.32:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.23:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.18:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.37:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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[{'lang': 'en', 'value': 'The Xen netback functionality in the Linux kernel before 3.7.8 allows guest OS users to cause a denial of service (loop) by triggering ring pointer corruption.'}] | 2013-08-22T06:48Z | 2013-02-18T04:41Z | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. |
Input validation is a frequently-used technique
for checking potentially dangerous inputs in order to
ensure that the inputs are safe for processing within the
code, or when communicating with other components. When
software does not validate input properly, an attacker is
able to craft the input in a form that is not expected by
the rest of the application. This will lead to parts of the
system receiving unintended input, which may result in
altered control flow, arbitrary control of a resource, or
arbitrary code execution.
Input validation is not the only technique for
processing input, however. Other techniques attempt to
transform potentially-dangerous input into something safe, such
as filtering (CWE-790) - which attempts to remove dangerous
inputs - or encoding/escaping (CWE-116), which attempts to
ensure that the input is not misinterpreted when it is included
in output to another component. Other techniques exist as well
(see CWE-138 for more examples.)
Input validation can be applied to:
raw data - strings, numbers, parameters, file contents, etc.
metadata - information about the raw data, such as headers or size
Data can be simple or structured. Structured data
can be composed of many nested layers, composed of
combinations of metadata and raw data, with other simple or
structured data.
Many properties of raw data or metadata may need
to be validated upon entry into the code, such
as:
specified quantities such as size, length, frequency, price, rate, number of operations, time, etc.
implied or derived quantities, such as the actual size of a file instead of a specified size
indexes, offsets, or positions into more complex data structures
symbolic keys or other elements into hash tables, associative arrays, etc.
well-formedness, i.e. syntactic correctness - compliance with expected syntax
lexical token correctness - compliance with rules for what is treated as a token
specified or derived type - the actual type of the input (or what the input appears to be)
consistency - between individual data elements, between raw data and metadata, between references, etc.
conformance to domain-specific rules, e.g. business logic
equivalence - ensuring that equivalent inputs are treated the same
authenticity, ownership, or other attestations about the input, e.g. a cryptographic signature to prove the source of the data
Implied or derived properties of data must often
be calculated or inferred by the code itself. Errors in
deriving properties may be considered a contributing factor
to improper input validation.
Note that "input validation" has very different
meanings to different people, or within different
classification schemes. Caution must be used when
referencing this CWE entry or mapping to it. For example,
some weaknesses might involve inadvertently giving control
to an attacker over an input when they should not be able
to provide an input at all, but sometimes this is referred
to as input validation.
Finally, it is important to emphasize that the
distinctions between input validation and output escaping
are often blurred, and developers must be careful to
understand the difference, including how input validation
is not always sufficient to prevent vulnerabilities,
especially when less stringent data types must be
supported, such as free-form text. Consider a SQL injection
scenario in which a person's last name is inserted into a
query. The name "O'Reilly" would likely pass the validation
step since it is a common last name in the English
language. However, this valid name cannot be directly
inserted into the database because it contains the "'"
apostrophe character, which would need to be escaped or
otherwise transformed. In this case, removing the
apostrophe might reduce the risk of SQL injection, but it
would produce incorrect behavior because the wrong name
would be recorded.
| https://cwe.mitre.org/data/definitions/20.html | 0 | Ian Campbell | 2013-02-06 23:41:35+00:00 | xen/netback: shutdown the ring if it contains garbage.
A buggy or malicious frontend should not be able to confuse netback.
If we spot anything which is not as it should be then shutdown the
device and don't try to continue with the ring in a potentially
hostile state. Well behaved and non-hostile frontends will not be
penalised.
As well as making the existing checks for such errors fatal also add a
new check that ensures that there isn't an insane number of requests
on the ring (i.e. more than would fit in the ring). If the ring
contains garbage then previously is was possible to loop over this
insane number, getting an error each time and therefore not generating
any more pending requests and therefore not exiting the loop in
xen_netbk_tx_build_gops for an externded period.
Also turn various netdev_dbg calls which no precipitate a fatal error
into netdev_err, they are rate limited because the device is shutdown
afterwards.
This fixes at least one known DoS/softlockup of the backend domain.
Signed-off-by: Ian Campbell <[email protected]>
Reviewed-by: Konrad Rzeszutek Wilk <[email protected]>
Acked-by: Jan Beulich <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 48856286b64e4b66ec62b94e504d0b29c1ade664 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | netbk_set_skb_gso | netbk_set_skb_gso( struct xenvif * vif , struct sk_buff * skb , struct xen_netif_extra_info * gso) | ['vif', 'skb', 'gso'] | static int netbk_set_skb_gso(struct xenvif *vif,
struct sk_buff *skb,
struct xen_netif_extra_info *gso)
{
if (!gso->u.gso.size) {
netdev_dbg(vif->dev, "GSO size must not be zero.\n");
return -EINVAL;
}
/* Currently only TCPv4 S.O. is supported. */
if (gso->u.gso.type != XEN_NETIF_GSO_TYPE_TCPV4) {
netdev_dbg(vif->dev, "Bad GSO type %d.\n", gso->u.gso.type);
return -EINVAL;
}
skb_shinfo(skb)->gso_size = gso->u.gso.size;
skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4;
/* Header must be checked, and gso_segs computed. */
skb_shinfo(skb)->gso_type |= SKB_GSO_DODGY;
skb_shinfo(skb)->gso_segs = 0;
return 0;
} | 125 | True | 1 |
|
CVE-2013-0216 | False | False | False | False | AV:A/AC:M/Au:S/C:N/I:N/A:C | ADJACENT_NETWORK | MEDIUM | SINGLE | NONE | NONE | COMPLETE | 5.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=48856286b64e4b66ec62b94e504d0b29c1ade664', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=48856286b64e4b66ec62b94e504d0b29c1ade664', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/48856286b64e4b66ec62b94e504d0b29c1ade664', 'name': 'https://github.com/torvalds/linux/commit/48856286b64e4b66ec62b94e504d0b29c1ade664', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/05/12', 'name': '[oss-security] 20130205 Xen Security Advisory 39 (CVE-2013-0216,CVE-2013-0217) - Linux netback DoS via malicious guest ring.', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html', 'name': 'openSUSE-SU-2013:0395', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html', 'name': 'SUSE-SU-2013:0674', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html', 'name': 'openSUSE-SU-2013:0925', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-20'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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[{'lang': 'en', 'value': 'The Xen netback functionality in the Linux kernel before 3.7.8 allows guest OS users to cause a denial of service (loop) by triggering ring pointer corruption.'}] | 2013-08-22T06:48Z | 2013-02-18T04:41Z | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. |
Input validation is a frequently-used technique
for checking potentially dangerous inputs in order to
ensure that the inputs are safe for processing within the
code, or when communicating with other components. When
software does not validate input properly, an attacker is
able to craft the input in a form that is not expected by
the rest of the application. This will lead to parts of the
system receiving unintended input, which may result in
altered control flow, arbitrary control of a resource, or
arbitrary code execution.
Input validation is not the only technique for
processing input, however. Other techniques attempt to
transform potentially-dangerous input into something safe, such
as filtering (CWE-790) - which attempts to remove dangerous
inputs - or encoding/escaping (CWE-116), which attempts to
ensure that the input is not misinterpreted when it is included
in output to another component. Other techniques exist as well
(see CWE-138 for more examples.)
Input validation can be applied to:
raw data - strings, numbers, parameters, file contents, etc.
metadata - information about the raw data, such as headers or size
Data can be simple or structured. Structured data
can be composed of many nested layers, composed of
combinations of metadata and raw data, with other simple or
structured data.
Many properties of raw data or metadata may need
to be validated upon entry into the code, such
as:
specified quantities such as size, length, frequency, price, rate, number of operations, time, etc.
implied or derived quantities, such as the actual size of a file instead of a specified size
indexes, offsets, or positions into more complex data structures
symbolic keys or other elements into hash tables, associative arrays, etc.
well-formedness, i.e. syntactic correctness - compliance with expected syntax
lexical token correctness - compliance with rules for what is treated as a token
specified or derived type - the actual type of the input (or what the input appears to be)
consistency - between individual data elements, between raw data and metadata, between references, etc.
conformance to domain-specific rules, e.g. business logic
equivalence - ensuring that equivalent inputs are treated the same
authenticity, ownership, or other attestations about the input, e.g. a cryptographic signature to prove the source of the data
Implied or derived properties of data must often
be calculated or inferred by the code itself. Errors in
deriving properties may be considered a contributing factor
to improper input validation.
Note that "input validation" has very different
meanings to different people, or within different
classification schemes. Caution must be used when
referencing this CWE entry or mapping to it. For example,
some weaknesses might involve inadvertently giving control
to an attacker over an input when they should not be able
to provide an input at all, but sometimes this is referred
to as input validation.
Finally, it is important to emphasize that the
distinctions between input validation and output escaping
are often blurred, and developers must be careful to
understand the difference, including how input validation
is not always sufficient to prevent vulnerabilities,
especially when less stringent data types must be
supported, such as free-form text. Consider a SQL injection
scenario in which a person's last name is inserted into a
query. The name "O'Reilly" would likely pass the validation
step since it is a common last name in the English
language. However, this valid name cannot be directly
inserted into the database because it contains the "'"
apostrophe character, which would need to be escaped or
otherwise transformed. In this case, removing the
apostrophe might reduce the risk of SQL injection, but it
would produce incorrect behavior because the wrong name
would be recorded.
| https://cwe.mitre.org/data/definitions/20.html | 0 | Ian Campbell | 2013-02-06 23:41:35+00:00 | xen/netback: shutdown the ring if it contains garbage.
A buggy or malicious frontend should not be able to confuse netback.
If we spot anything which is not as it should be then shutdown the
device and don't try to continue with the ring in a potentially
hostile state. Well behaved and non-hostile frontends will not be
penalised.
As well as making the existing checks for such errors fatal also add a
new check that ensures that there isn't an insane number of requests
on the ring (i.e. more than would fit in the ring). If the ring
contains garbage then previously is was possible to loop over this
insane number, getting an error each time and therefore not generating
any more pending requests and therefore not exiting the loop in
xen_netbk_tx_build_gops for an externded period.
Also turn various netdev_dbg calls which no precipitate a fatal error
into netdev_err, they are rate limited because the device is shutdown
afterwards.
This fixes at least one known DoS/softlockup of the backend domain.
Signed-off-by: Ian Campbell <[email protected]>
Reviewed-by: Konrad Rzeszutek Wilk <[email protected]>
Acked-by: Jan Beulich <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 48856286b64e4b66ec62b94e504d0b29c1ade664 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | xen_netbk_get_extras | xen_netbk_get_extras( struct xenvif * vif , struct xen_netif_extra_info * extras , int work_to_do) | ['vif', 'extras', 'work_to_do'] | static int xen_netbk_get_extras(struct xenvif *vif,
struct xen_netif_extra_info *extras,
int work_to_do)
{
struct xen_netif_extra_info extra;
RING_IDX cons = vif->tx.req_cons;
do {
if (unlikely(work_to_do-- <= 0)) {
netdev_dbg(vif->dev, "Missing extra info\n");
return -EBADR;
}
memcpy(&extra, RING_GET_REQUEST(&vif->tx, cons),
sizeof(extra));
if (unlikely(!extra.type ||
extra.type >= XEN_NETIF_EXTRA_TYPE_MAX)) {
vif->tx.req_cons = ++cons;
netdev_dbg(vif->dev,
"Invalid extra type: %d\n", extra.type);
return -EINVAL;
}
memcpy(&extras[extra.type - 1], &extra, sizeof(extra));
vif->tx.req_cons = ++cons;
} while (extra.flags & XEN_NETIF_EXTRA_FLAG_MORE);
return work_to_do;
} | 165 | True | 1 |
|
CVE-2013-0216 | False | False | False | False | AV:A/AC:M/Au:S/C:N/I:N/A:C | ADJACENT_NETWORK | MEDIUM | SINGLE | NONE | NONE | COMPLETE | 5.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=48856286b64e4b66ec62b94e504d0b29c1ade664', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=48856286b64e4b66ec62b94e504d0b29c1ade664', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://github.com/torvalds/linux/commit/48856286b64e4b66ec62b94e504d0b29c1ade664', 'name': 'https://github.com/torvalds/linux/commit/48856286b64e4b66ec62b94e504d0b29c1ade664', 'refsource': 'CONFIRM', 'tags': ['Exploit', 'Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/05/12', 'name': '[oss-security] 20130205 Xen Security Advisory 39 (CVE-2013-0216,CVE-2013-0217) - Linux netback DoS via malicious guest ring.', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html', 'name': 'openSUSE-SU-2013:0395', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html', 'name': 'SUSE-SU-2013:0674', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html', 'name': 'openSUSE-SU-2013:0925', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-20'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*', 'versionEndIncluding': '3.7.8', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.2:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The Xen netback functionality in the Linux kernel before 3.7.8 allows guest OS users to cause a denial of service (loop) by triggering ring pointer corruption.'}] | 2013-08-22T06:48Z | 2013-02-18T04:41Z | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. |
Input validation is a frequently-used technique
for checking potentially dangerous inputs in order to
ensure that the inputs are safe for processing within the
code, or when communicating with other components. When
software does not validate input properly, an attacker is
able to craft the input in a form that is not expected by
the rest of the application. This will lead to parts of the
system receiving unintended input, which may result in
altered control flow, arbitrary control of a resource, or
arbitrary code execution.
Input validation is not the only technique for
processing input, however. Other techniques attempt to
transform potentially-dangerous input into something safe, such
as filtering (CWE-790) - which attempts to remove dangerous
inputs - or encoding/escaping (CWE-116), which attempts to
ensure that the input is not misinterpreted when it is included
in output to another component. Other techniques exist as well
(see CWE-138 for more examples.)
Input validation can be applied to:
raw data - strings, numbers, parameters, file contents, etc.
metadata - information about the raw data, such as headers or size
Data can be simple or structured. Structured data
can be composed of many nested layers, composed of
combinations of metadata and raw data, with other simple or
structured data.
Many properties of raw data or metadata may need
to be validated upon entry into the code, such
as:
specified quantities such as size, length, frequency, price, rate, number of operations, time, etc.
implied or derived quantities, such as the actual size of a file instead of a specified size
indexes, offsets, or positions into more complex data structures
symbolic keys or other elements into hash tables, associative arrays, etc.
well-formedness, i.e. syntactic correctness - compliance with expected syntax
lexical token correctness - compliance with rules for what is treated as a token
specified or derived type - the actual type of the input (or what the input appears to be)
consistency - between individual data elements, between raw data and metadata, between references, etc.
conformance to domain-specific rules, e.g. business logic
equivalence - ensuring that equivalent inputs are treated the same
authenticity, ownership, or other attestations about the input, e.g. a cryptographic signature to prove the source of the data
Implied or derived properties of data must often
be calculated or inferred by the code itself. Errors in
deriving properties may be considered a contributing factor
to improper input validation.
Note that "input validation" has very different
meanings to different people, or within different
classification schemes. Caution must be used when
referencing this CWE entry or mapping to it. For example,
some weaknesses might involve inadvertently giving control
to an attacker over an input when they should not be able
to provide an input at all, but sometimes this is referred
to as input validation.
Finally, it is important to emphasize that the
distinctions between input validation and output escaping
are often blurred, and developers must be careful to
understand the difference, including how input validation
is not always sufficient to prevent vulnerabilities,
especially when less stringent data types must be
supported, such as free-form text. Consider a SQL injection
scenario in which a person's last name is inserted into a
query. The name "O'Reilly" would likely pass the validation
step since it is a common last name in the English
language. However, this valid name cannot be directly
inserted into the database because it contains the "'"
apostrophe character, which would need to be escaped or
otherwise transformed. In this case, removing the
apostrophe might reduce the risk of SQL injection, but it
would produce incorrect behavior because the wrong name
would be recorded.
| https://cwe.mitre.org/data/definitions/20.html | 0 | Ian Campbell | 2013-02-06 23:41:35+00:00 | xen/netback: shutdown the ring if it contains garbage.
A buggy or malicious frontend should not be able to confuse netback.
If we spot anything which is not as it should be then shutdown the
device and don't try to continue with the ring in a potentially
hostile state. Well behaved and non-hostile frontends will not be
penalised.
As well as making the existing checks for such errors fatal also add a
new check that ensures that there isn't an insane number of requests
on the ring (i.e. more than would fit in the ring). If the ring
contains garbage then previously is was possible to loop over this
insane number, getting an error each time and therefore not generating
any more pending requests and therefore not exiting the loop in
xen_netbk_tx_build_gops for an externded period.
Also turn various netdev_dbg calls which no precipitate a fatal error
into netdev_err, they are rate limited because the device is shutdown
afterwards.
This fixes at least one known DoS/softlockup of the backend domain.
Signed-off-by: Ian Campbell <[email protected]>
Reviewed-by: Konrad Rzeszutek Wilk <[email protected]>
Acked-by: Jan Beulich <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 48856286b64e4b66ec62b94e504d0b29c1ade664 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | xen_netbk_tx_build_gops | xen_netbk_tx_build_gops( struct xen_netbk * netbk) | ['netbk'] | static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk)
{
struct gnttab_copy *gop = netbk->tx_copy_ops, *request_gop;
struct sk_buff *skb;
int ret;
while (((nr_pending_reqs(netbk) + MAX_SKB_FRAGS) < MAX_PENDING_REQS) &&
!list_empty(&netbk->net_schedule_list)) {
struct xenvif *vif;
struct xen_netif_tx_request txreq;
struct xen_netif_tx_request txfrags[MAX_SKB_FRAGS];
struct page *page;
struct xen_netif_extra_info extras[XEN_NETIF_EXTRA_TYPE_MAX-1];
u16 pending_idx;
RING_IDX idx;
int work_to_do;
unsigned int data_len;
pending_ring_idx_t index;
/* Get a netif from the list with work to do. */
vif = poll_net_schedule_list(netbk);
if (!vif)
continue;
RING_FINAL_CHECK_FOR_REQUESTS(&vif->tx, work_to_do);
if (!work_to_do) {
xenvif_put(vif);
continue;
}
idx = vif->tx.req_cons;
rmb(); /* Ensure that we see the request before we copy it. */
memcpy(&txreq, RING_GET_REQUEST(&vif->tx, idx), sizeof(txreq));
/* Credit-based scheduling. */
if (txreq.size > vif->remaining_credit &&
tx_credit_exceeded(vif, txreq.size)) {
xenvif_put(vif);
continue;
}
vif->remaining_credit -= txreq.size;
work_to_do--;
vif->tx.req_cons = ++idx;
memset(extras, 0, sizeof(extras));
if (txreq.flags & XEN_NETTXF_extra_info) {
work_to_do = xen_netbk_get_extras(vif, extras,
work_to_do);
idx = vif->tx.req_cons;
if (unlikely(work_to_do < 0)) {
netbk_tx_err(vif, &txreq, idx);
continue;
}
}
ret = netbk_count_requests(vif, &txreq, txfrags, work_to_do);
if (unlikely(ret < 0)) {
netbk_tx_err(vif, &txreq, idx - ret);
continue;
}
idx += ret;
if (unlikely(txreq.size < ETH_HLEN)) {
netdev_dbg(vif->dev,
"Bad packet size: %d\n", txreq.size);
netbk_tx_err(vif, &txreq, idx);
continue;
}
/* No crossing a page as the payload mustn't fragment. */
if (unlikely((txreq.offset + txreq.size) > PAGE_SIZE)) {
netdev_dbg(vif->dev,
"txreq.offset: %x, size: %u, end: %lu\n",
txreq.offset, txreq.size,
(txreq.offset&~PAGE_MASK) + txreq.size);
netbk_tx_err(vif, &txreq, idx);
continue;
}
index = pending_index(netbk->pending_cons);
pending_idx = netbk->pending_ring[index];
data_len = (txreq.size > PKT_PROT_LEN &&
ret < MAX_SKB_FRAGS) ?
PKT_PROT_LEN : txreq.size;
skb = alloc_skb(data_len + NET_SKB_PAD + NET_IP_ALIGN,
GFP_ATOMIC | __GFP_NOWARN);
if (unlikely(skb == NULL)) {
netdev_dbg(vif->dev,
"Can't allocate a skb in start_xmit.\n");
netbk_tx_err(vif, &txreq, idx);
break;
}
/* Packets passed to netif_rx() must have some headroom. */
skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN);
if (extras[XEN_NETIF_EXTRA_TYPE_GSO - 1].type) {
struct xen_netif_extra_info *gso;
gso = &extras[XEN_NETIF_EXTRA_TYPE_GSO - 1];
if (netbk_set_skb_gso(vif, skb, gso)) {
kfree_skb(skb);
netbk_tx_err(vif, &txreq, idx);
continue;
}
}
/* XXX could copy straight to head */
page = xen_netbk_alloc_page(netbk, skb, pending_idx);
if (!page) {
kfree_skb(skb);
netbk_tx_err(vif, &txreq, idx);
continue;
}
gop->source.u.ref = txreq.gref;
gop->source.domid = vif->domid;
gop->source.offset = txreq.offset;
gop->dest.u.gmfn = virt_to_mfn(page_address(page));
gop->dest.domid = DOMID_SELF;
gop->dest.offset = txreq.offset;
gop->len = txreq.size;
gop->flags = GNTCOPY_source_gref;
gop++;
memcpy(&netbk->pending_tx_info[pending_idx].req,
&txreq, sizeof(txreq));
netbk->pending_tx_info[pending_idx].vif = vif;
*((u16 *)skb->data) = pending_idx;
__skb_put(skb, data_len);
skb_shinfo(skb)->nr_frags = ret;
if (data_len < txreq.size) {
skb_shinfo(skb)->nr_frags++;
frag_set_pending_idx(&skb_shinfo(skb)->frags[0],
pending_idx);
} else {
frag_set_pending_idx(&skb_shinfo(skb)->frags[0],
INVALID_PENDING_IDX);
}
netbk->pending_cons++;
request_gop = xen_netbk_get_requests(netbk, vif,
skb, txfrags, gop);
if (request_gop == NULL) {
kfree_skb(skb);
netbk_tx_err(vif, &txreq, idx);
continue;
}
gop = request_gop;
__skb_queue_tail(&netbk->tx_queue, skb);
vif->tx.req_cons = idx;
xen_netbk_check_rx_xenvif(vif);
if ((gop-netbk->tx_copy_ops) >= ARRAY_SIZE(netbk->tx_copy_ops))
break;
}
return gop - netbk->tx_copy_ops;
} | 907 | True | 1 |
|
CVE-2013-0217 | False | False | False | False | AV:A/AC:M/Au:S/C:N/I:N/A:C | ADJACENT_NETWORK | MEDIUM | SINGLE | NONE | NONE | COMPLETE | 5.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'name': 'https://github.com/torvalds/linux/commit/7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/05/12', 'name': '[oss-security] 20130205 Xen Security Advisory 39 (CVE-2013-0216,CVE-2013-0217) - Linux netback DoS via malicious guest ring.', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-399'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Memory leak in drivers/net/xen-netback/netback.c in the Xen netback functionality in the Linux kernel before 3.7.8 allows guest OS users to cause a denial of service (memory consumption) by triggering certain error conditions.'}] | 2013-08-22T06:48Z | 2013-02-18T04:41Z | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | 1 | Matthew Daley | 2013-02-06 23:41:36+00:00 | xen/netback: don't leak pages on failure in xen_netbk_tx_check_gop.
Signed-off-by: Matthew Daley <[email protected]>
Reviewed-by: Konrad Rzeszutek Wilk <[email protected]>
Acked-by: Ian Campbell <[email protected]>
Acked-by: Jan Beulich <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 7d5145d8eb2b9791533ffe4dc003b129b9696c48 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | xen_netbk_fill_frags | xen_netbk_fill_frags( struct xen_netbk * netbk , struct sk_buff * skb) | ['netbk', 'skb'] | static void xen_netbk_fill_frags(struct xen_netbk *netbk, struct sk_buff *skb)
{
struct skb_shared_info *shinfo = skb_shinfo(skb);
int nr_frags = shinfo->nr_frags;
int i;
for (i = 0; i < nr_frags; i++) {
skb_frag_t *frag = shinfo->frags + i;
struct xen_netif_tx_request *txp;
struct page *page;
u16 pending_idx;
pending_idx = frag_get_pending_idx(frag);
txp = &netbk->pending_tx_info[pending_idx].req;
page = virt_to_page(idx_to_kaddr(netbk, pending_idx));
__skb_fill_page_desc(skb, i, page, txp->offset, txp->size);
skb->len += txp->size;
skb->data_len += txp->size;
skb->truesize += txp->size;
/* Take an extra reference to offset xen_netbk_idx_release */
get_page(netbk->mmap_pages[pending_idx]);
xen_netbk_idx_release(netbk, pending_idx);
}
} | 161 | True | 1 |
||
CVE-2013-0217 | False | False | False | False | AV:A/AC:M/Au:S/C:N/I:N/A:C | ADJACENT_NETWORK | MEDIUM | SINGLE | NONE | NONE | COMPLETE | 5.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'name': 'https://github.com/torvalds/linux/commit/7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/05/12', 'name': '[oss-security] 20130205 Xen Security Advisory 39 (CVE-2013-0216,CVE-2013-0217) - Linux netback DoS via malicious guest ring.', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-399'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Memory leak in drivers/net/xen-netback/netback.c in the Xen netback functionality in the Linux kernel before 3.7.8 allows guest OS users to cause a denial of service (memory consumption) by triggering certain error conditions.'}] | 2013-08-22T06:48Z | 2013-02-18T04:41Z | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | 1 | Matthew Daley | 2013-02-06 23:41:36+00:00 | xen/netback: don't leak pages on failure in xen_netbk_tx_check_gop.
Signed-off-by: Matthew Daley <[email protected]>
Reviewed-by: Konrad Rzeszutek Wilk <[email protected]>
Acked-by: Ian Campbell <[email protected]>
Acked-by: Jan Beulich <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 7d5145d8eb2b9791533ffe4dc003b129b9696c48 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | xen_netbk_idx_release | xen_netbk_idx_release( struct xen_netbk * netbk , u16 pending_idx) | ['netbk', 'pending_idx'] | static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx)
{
struct xenvif *vif;
struct pending_tx_info *pending_tx_info;
pending_ring_idx_t index;
/* Already complete? */
if (netbk->mmap_pages[pending_idx] == NULL)
return;
pending_tx_info = &netbk->pending_tx_info[pending_idx];
vif = pending_tx_info->vif;
make_tx_response(vif, &pending_tx_info->req, XEN_NETIF_RSP_OKAY);
index = pending_index(netbk->pending_prod++);
netbk->pending_ring[index] = pending_idx;
xenvif_put(vif);
netbk->mmap_pages[pending_idx]->mapping = 0;
put_page(netbk->mmap_pages[pending_idx]);
netbk->mmap_pages[pending_idx] = NULL;
} | 120 | True | 1 |
||
CVE-2013-0217 | False | False | False | False | AV:A/AC:M/Au:S/C:N/I:N/A:C | ADJACENT_NETWORK | MEDIUM | SINGLE | NONE | NONE | COMPLETE | 5.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'name': 'https://github.com/torvalds/linux/commit/7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/05/12', 'name': '[oss-security] 20130205 Xen Security Advisory 39 (CVE-2013-0216,CVE-2013-0217) - Linux netback DoS via malicious guest ring.', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-399'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Memory leak in drivers/net/xen-netback/netback.c in the Xen netback functionality in the Linux kernel before 3.7.8 allows guest OS users to cause a denial of service (memory consumption) by triggering certain error conditions.'}] | 2013-08-22T06:48Z | 2013-02-18T04:41Z | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | 1 | Matthew Daley | 2013-02-06 23:41:36+00:00 | xen/netback: don't leak pages on failure in xen_netbk_tx_check_gop.
Signed-off-by: Matthew Daley <[email protected]>
Reviewed-by: Konrad Rzeszutek Wilk <[email protected]>
Acked-by: Ian Campbell <[email protected]>
Acked-by: Jan Beulich <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 7d5145d8eb2b9791533ffe4dc003b129b9696c48 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | xen_netbk_tx_check_gop | xen_netbk_tx_check_gop( struct xen_netbk * netbk , struct sk_buff * skb , struct gnttab_copy ** gopp) | ['netbk', 'skb', 'gopp'] | static int xen_netbk_tx_check_gop(struct xen_netbk *netbk,
struct sk_buff *skb,
struct gnttab_copy **gopp)
{
struct gnttab_copy *gop = *gopp;
u16 pending_idx = *((u16 *)skb->data);
struct pending_tx_info *pending_tx_info = netbk->pending_tx_info;
struct xenvif *vif = pending_tx_info[pending_idx].vif;
struct xen_netif_tx_request *txp;
struct skb_shared_info *shinfo = skb_shinfo(skb);
int nr_frags = shinfo->nr_frags;
int i, err, start;
/* Check status of header. */
err = gop->status;
if (unlikely(err)) {
pending_ring_idx_t index;
index = pending_index(netbk->pending_prod++);
txp = &pending_tx_info[pending_idx].req;
make_tx_response(vif, txp, XEN_NETIF_RSP_ERROR);
netbk->pending_ring[index] = pending_idx;
xenvif_put(vif);
}
/* Skip first skb fragment if it is on same page as header fragment. */
start = (frag_get_pending_idx(&shinfo->frags[0]) == pending_idx);
for (i = start; i < nr_frags; i++) {
int j, newerr;
pending_ring_idx_t index;
pending_idx = frag_get_pending_idx(&shinfo->frags[i]);
/* Check error status: if okay then remember grant handle. */
newerr = (++gop)->status;
if (likely(!newerr)) {
/* Had a previous error? Invalidate this fragment. */
if (unlikely(err))
xen_netbk_idx_release(netbk, pending_idx);
continue;
}
/* Error on this fragment: respond to client with an error. */
txp = &netbk->pending_tx_info[pending_idx].req;
make_tx_response(vif, txp, XEN_NETIF_RSP_ERROR);
index = pending_index(netbk->pending_prod++);
netbk->pending_ring[index] = pending_idx;
xenvif_put(vif);
/* Not the first error? Preceding frags already invalidated. */
if (err)
continue;
/* First error: invalidate header and preceding fragments. */
pending_idx = *((u16 *)skb->data);
xen_netbk_idx_release(netbk, pending_idx);
for (j = start; j < i; j++) {
pending_idx = frag_get_pending_idx(&shinfo->frags[j]);
xen_netbk_idx_release(netbk, pending_idx);
}
/* Remember the error: invalidate all subsequent fragments. */
err = newerr;
}
*gopp = gop + 1;
return err;
} | 360 | True | 1 |
||
CVE-2013-0217 | False | False | False | False | AV:A/AC:M/Au:S/C:N/I:N/A:C | ADJACENT_NETWORK | MEDIUM | SINGLE | NONE | NONE | COMPLETE | 5.2 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'name': 'https://github.com/torvalds/linux/commit/7d5145d8eb2b9791533ffe4dc003b129b9696c48', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/05/12', 'name': '[oss-security] 20130205 Xen Security Advisory 39 (CVE-2013-0216,CVE-2013-0217) - Linux netback DoS via malicious guest ring.', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=910883', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-399'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'Memory leak in drivers/net/xen-netback/netback.c in the Xen netback functionality in the Linux kernel before 3.7.8 allows guest OS users to cause a denial of service (memory consumption) by triggering certain error conditions.'}] | 2013-08-22T06:48Z | 2013-02-18T04:41Z | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | 1 | Matthew Daley | 2013-02-06 23:41:36+00:00 | xen/netback: don't leak pages on failure in xen_netbk_tx_check_gop.
Signed-off-by: Matthew Daley <[email protected]>
Reviewed-by: Konrad Rzeszutek Wilk <[email protected]>
Acked-by: Ian Campbell <[email protected]>
Acked-by: Jan Beulich <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 7d5145d8eb2b9791533ffe4dc003b129b9696c48 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | xen_netbk_tx_submit | xen_netbk_tx_submit( struct xen_netbk * netbk) | ['netbk'] | static void xen_netbk_tx_submit(struct xen_netbk *netbk)
{
struct gnttab_copy *gop = netbk->tx_copy_ops;
struct sk_buff *skb;
while ((skb = __skb_dequeue(&netbk->tx_queue)) != NULL) {
struct xen_netif_tx_request *txp;
struct xenvif *vif;
u16 pending_idx;
unsigned data_len;
pending_idx = *((u16 *)skb->data);
vif = netbk->pending_tx_info[pending_idx].vif;
txp = &netbk->pending_tx_info[pending_idx].req;
/* Check the remap error code. */
if (unlikely(xen_netbk_tx_check_gop(netbk, skb, &gop))) {
netdev_dbg(vif->dev, "netback grant failed.\n");
skb_shinfo(skb)->nr_frags = 0;
kfree_skb(skb);
continue;
}
data_len = skb->len;
memcpy(skb->data,
(void *)(idx_to_kaddr(netbk, pending_idx)|txp->offset),
data_len);
if (data_len < txp->size) {
/* Append the packet payload as a fragment. */
txp->offset += data_len;
txp->size -= data_len;
} else {
/* Schedule a response immediately. */
xen_netbk_idx_release(netbk, pending_idx);
}
if (txp->flags & XEN_NETTXF_csum_blank)
skb->ip_summed = CHECKSUM_PARTIAL;
else if (txp->flags & XEN_NETTXF_data_validated)
skb->ip_summed = CHECKSUM_UNNECESSARY;
xen_netbk_fill_frags(netbk, skb);
/*
* If the initial fragment was < PKT_PROT_LEN then
* pull through some bytes from the other fragments to
* increase the linear region to PKT_PROT_LEN bytes.
*/
if (skb_headlen(skb) < PKT_PROT_LEN && skb_is_nonlinear(skb)) {
int target = min_t(int, skb->len, PKT_PROT_LEN);
__pskb_pull_tail(skb, target - skb_headlen(skb));
}
skb->dev = vif->dev;
skb->protocol = eth_type_trans(skb, skb->dev);
if (checksum_setup(vif, skb)) {
netdev_dbg(vif->dev,
"Can't setup checksum in net_tx_action\n");
kfree_skb(skb);
continue;
}
vif->dev->stats.rx_bytes += skb->len;
vif->dev->stats.rx_packets++;
xenvif_receive_skb(vif, skb);
}
} | 353 | True | 1 |
||
CVE-2013-0290 | False | False | False | False | AV:L/AC:L/Au:N/C:N/I:N/A:C | LOCAL | LOW | NONE | NONE | NONE | COMPLETE | 4.9 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.8.bz2', 'name': 'http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.8.bz2', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=77c1090f94d1b0b5186fb13a1b71b47b1343f87f', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=77c1090f94d1b0b5186fb13a1b71b47b1343f87f', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/02/15/2', 'name': '[oss-security] 20130214 Re: CVE Request: kernel -- local DOS (endless loop with interrupts disabled)', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/77c1090f94d1b0b5186fb13a1b71b47b1343f87f', 'name': 'https://github.com/torvalds/linux/commit/77c1090f94d1b0b5186fb13a1b71b47b1343f87f', 'refsource': 'CONFIRM', 'tags': ['Patch']}, {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=911473', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=911473', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html', 'name': 'openSUSE-SU-2013:0951', 'refsource': 'SUSE', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html', 'name': 'openSUSE-SU-2013:1042', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-20'}]}] | MEDIUM | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.2:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The __skb_recv_datagram function in net/core/datagram.c in the Linux kernel before 3.8 does not properly handle the MSG_PEEK flag with zero-length data, which allows local users to cause a denial of service (infinite loop and system hang) via a crafted application.'}] | 2013-09-12T03:31Z | 2013-02-19T19:55Z | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. |
Input validation is a frequently-used technique
for checking potentially dangerous inputs in order to
ensure that the inputs are safe for processing within the
code, or when communicating with other components. When
software does not validate input properly, an attacker is
able to craft the input in a form that is not expected by
the rest of the application. This will lead to parts of the
system receiving unintended input, which may result in
altered control flow, arbitrary control of a resource, or
arbitrary code execution.
Input validation is not the only technique for
processing input, however. Other techniques attempt to
transform potentially-dangerous input into something safe, such
as filtering (CWE-790) - which attempts to remove dangerous
inputs - or encoding/escaping (CWE-116), which attempts to
ensure that the input is not misinterpreted when it is included
in output to another component. Other techniques exist as well
(see CWE-138 for more examples.)
Input validation can be applied to:
raw data - strings, numbers, parameters, file contents, etc.
metadata - information about the raw data, such as headers or size
Data can be simple or structured. Structured data
can be composed of many nested layers, composed of
combinations of metadata and raw data, with other simple or
structured data.
Many properties of raw data or metadata may need
to be validated upon entry into the code, such
as:
specified quantities such as size, length, frequency, price, rate, number of operations, time, etc.
implied or derived quantities, such as the actual size of a file instead of a specified size
indexes, offsets, or positions into more complex data structures
symbolic keys or other elements into hash tables, associative arrays, etc.
well-formedness, i.e. syntactic correctness - compliance with expected syntax
lexical token correctness - compliance with rules for what is treated as a token
specified or derived type - the actual type of the input (or what the input appears to be)
consistency - between individual data elements, between raw data and metadata, between references, etc.
conformance to domain-specific rules, e.g. business logic
equivalence - ensuring that equivalent inputs are treated the same
authenticity, ownership, or other attestations about the input, e.g. a cryptographic signature to prove the source of the data
Implied or derived properties of data must often
be calculated or inferred by the code itself. Errors in
deriving properties may be considered a contributing factor
to improper input validation.
Note that "input validation" has very different
meanings to different people, or within different
classification schemes. Caution must be used when
referencing this CWE entry or mapping to it. For example,
some weaknesses might involve inadvertently giving control
to an attacker over an input when they should not be able
to provide an input at all, but sometimes this is referred
to as input validation.
Finally, it is important to emphasize that the
distinctions between input validation and output escaping
are often blurred, and developers must be careful to
understand the difference, including how input validation
is not always sufficient to prevent vulnerabilities,
especially when less stringent data types must be
supported, such as free-form text. Consider a SQL injection
scenario in which a person's last name is inserted into a
query. The name "O'Reilly" would likely pass the validation
step since it is a common last name in the English
language. However, this valid name cannot be directly
inserted into the database because it contains the "'"
apostrophe character, which would need to be escaped or
otherwise transformed. In this case, removing the
apostrophe might reduce the risk of SQL injection, but it
would produce incorrect behavior because the wrong name
would be recorded.
| https://cwe.mitre.org/data/definitions/20.html | 0 | Eric Dumazet | 2013-02-12 06:16:53+00:00 | net: fix infinite loop in __skb_recv_datagram()
Tommi was fuzzing with trinity and reported the following problem :
commit 3f518bf745 (datagram: Add offset argument to __skb_recv_datagram)
missed that a raw socket receive queue can contain skbs with no payload.
We can loop in __skb_recv_datagram() with MSG_PEEK mode, because
wait_for_packet() is not prepared to skip these skbs.
[ 83.541011] INFO: rcu_sched detected stalls on CPUs/tasks: {}
(detected by 0, t=26002 jiffies, g=27673, c=27672, q=75)
[ 83.541011] INFO: Stall ended before state dump start
[ 108.067010] BUG: soft lockup - CPU#0 stuck for 22s! [trinity-child31:2847]
...
[ 108.067010] Call Trace:
[ 108.067010] [<ffffffff818cc103>] __skb_recv_datagram+0x1a3/0x3b0
[ 108.067010] [<ffffffff818cc33d>] skb_recv_datagram+0x2d/0x30
[ 108.067010] [<ffffffff819ed43d>] rawv6_recvmsg+0xad/0x240
[ 108.067010] [<ffffffff818c4b04>] sock_common_recvmsg+0x34/0x50
[ 108.067010] [<ffffffff818bc8ec>] sock_recvmsg+0xbc/0xf0
[ 108.067010] [<ffffffff818bf31e>] sys_recvfrom+0xde/0x150
[ 108.067010] [<ffffffff81ca4329>] system_call_fastpath+0x16/0x1b
Reported-by: Tommi Rantala <[email protected]>
Tested-by: Tommi Rantala <[email protected]>
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Pavel Emelyanov <[email protected]>
Acked-by: Pavel Emelyanov <[email protected]>
Signed-off-by: David S. Miller <[email protected]> | 77c1090f94d1b0b5186fb13a1b71b47b1343f87f | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | __skb_recv_datagram | __skb_recv_datagram( struct sock * sk , unsigned int flags , int * peeked , int * off , int * err) | ['sk', 'flags', 'peeked', 'off', 'err'] | struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags,
int *peeked, int *off, int *err)
{
struct sk_buff *skb;
long timeo;
/*
* Caller is allowed not to check sk->sk_err before skb_recv_datagram()
*/
int error = sock_error(sk);
if (error)
goto no_packet;
timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
do {
/* Again only user level code calls this function, so nothing
* interrupt level will suddenly eat the receive_queue.
*
* Look at current nfs client by the way...
* However, this function was correct in any case. 8)
*/
unsigned long cpu_flags;
struct sk_buff_head *queue = &sk->sk_receive_queue;
spin_lock_irqsave(&queue->lock, cpu_flags);
skb_queue_walk(queue, skb) {
*peeked = skb->peeked;
if (flags & MSG_PEEK) {
if (*off >= skb->len) {
*off -= skb->len;
continue;
}
skb->peeked = 1;
atomic_inc(&skb->users);
} else
__skb_unlink(skb, queue);
spin_unlock_irqrestore(&queue->lock, cpu_flags);
return skb;
}
spin_unlock_irqrestore(&queue->lock, cpu_flags);
/* User doesn't want to wait */
error = -EAGAIN;
if (!timeo)
goto no_packet;
} while (!wait_for_packet(sk, err, &timeo));
return NULL;
no_packet:
*err = error;
return NULL;
} | 214 | True | 1 |
|
CVE-2013-2546 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect C library function for copying strings, which allows local users to obtain sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_ablkcipher_report | crypto_ablkcipher_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_blkcipher rblkcipher;
snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "ablkcipher");
snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
alg->cra_ablkcipher.geniv ?: "<default>");
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
rblkcipher.max_keysize = alg->cra_ablkcipher.max_keysize;
rblkcipher.ivsize = alg->cra_ablkcipher.ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
sizeof(struct crypto_report_blkcipher), &rblkcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 119 | True | 1 |
||
CVE-2013-2547 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 does not initialize certain structure members, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_ablkcipher_report | crypto_ablkcipher_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_blkcipher rblkcipher;
snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "ablkcipher");
snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
alg->cra_ablkcipher.geniv ?: "<default>");
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
rblkcipher.max_keysize = alg->cra_ablkcipher.max_keysize;
rblkcipher.ivsize = alg->cra_ablkcipher.ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
sizeof(struct crypto_report_blkcipher), &rblkcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 119 | True | 1 |
||
CVE-2013-2548 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect length value during a copy operation, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_ablkcipher_report | crypto_ablkcipher_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_blkcipher rblkcipher;
snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "ablkcipher");
snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
alg->cra_ablkcipher.geniv ?: "<default>");
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
rblkcipher.max_keysize = alg->cra_ablkcipher.max_keysize;
rblkcipher.ivsize = alg->cra_ablkcipher.ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
sizeof(struct crypto_report_blkcipher), &rblkcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 119 | True | 1 |
||
CVE-2013-2546 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect C library function for copying strings, which allows local users to obtain sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_givcipher_report | crypto_givcipher_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_blkcipher rblkcipher;
snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "givcipher");
snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
alg->cra_ablkcipher.geniv ?: "<built-in>");
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
rblkcipher.max_keysize = alg->cra_ablkcipher.max_keysize;
rblkcipher.ivsize = alg->cra_ablkcipher.ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
sizeof(struct crypto_report_blkcipher), &rblkcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 119 | True | 1 |
||
CVE-2013-2547 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.45:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 does not initialize certain structure members, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_givcipher_report | crypto_givcipher_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_blkcipher rblkcipher;
snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "givcipher");
snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
alg->cra_ablkcipher.geniv ?: "<built-in>");
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
rblkcipher.max_keysize = alg->cra_ablkcipher.max_keysize;
rblkcipher.ivsize = alg->cra_ablkcipher.ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
sizeof(struct crypto_report_blkcipher), &rblkcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 119 | True | 1 |
||
CVE-2013-2548 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.45:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect length value during a copy operation, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_givcipher_report | crypto_givcipher_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_blkcipher rblkcipher;
snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "givcipher");
snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
alg->cra_ablkcipher.geniv ?: "<built-in>");
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
rblkcipher.max_keysize = alg->cra_ablkcipher.max_keysize;
rblkcipher.ivsize = alg->cra_ablkcipher.ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
sizeof(struct crypto_report_blkcipher), &rblkcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 119 | True | 1 |
||
CVE-2013-2546 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect C library function for copying strings, which allows local users to obtain sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_aead_report | crypto_aead_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_aead raead;
struct aead_alg *aead = &alg->cra_aead;
snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "aead");
snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s",
aead->geniv ?: "<built-in>");
raead.blocksize = alg->cra_blocksize;
raead.maxauthsize = aead->maxauthsize;
raead.ivsize = aead->ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_AEAD,
sizeof(struct crypto_report_aead), &raead))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 113 | True | 1 |
||
CVE-2013-2547 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 does not initialize certain structure members, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_aead_report | crypto_aead_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_aead raead;
struct aead_alg *aead = &alg->cra_aead;
snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "aead");
snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s",
aead->geniv ?: "<built-in>");
raead.blocksize = alg->cra_blocksize;
raead.maxauthsize = aead->maxauthsize;
raead.ivsize = aead->ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_AEAD,
sizeof(struct crypto_report_aead), &raead))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 113 | True | 1 |
||
CVE-2013-2548 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect length value during a copy operation, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_aead_report | crypto_aead_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_aead raead;
struct aead_alg *aead = &alg->cra_aead;
snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "aead");
snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s",
aead->geniv ?: "<built-in>");
raead.blocksize = alg->cra_blocksize;
raead.maxauthsize = aead->maxauthsize;
raead.ivsize = aead->ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_AEAD,
sizeof(struct crypto_report_aead), &raead))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 113 | True | 1 |
||
CVE-2013-2546 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect C library function for copying strings, which allows local users to obtain sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_nivaead_report | crypto_nivaead_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_aead raead;
struct aead_alg *aead = &alg->cra_aead;
snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "nivaead");
snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s", aead->geniv);
raead.blocksize = alg->cra_blocksize;
raead.maxauthsize = aead->maxauthsize;
raead.ivsize = aead->ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_AEAD,
sizeof(struct crypto_report_aead), &raead))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 110 | True | 1 |
||
CVE-2013-2547 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 does not initialize certain structure members, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_nivaead_report | crypto_nivaead_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_aead raead;
struct aead_alg *aead = &alg->cra_aead;
snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "nivaead");
snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s", aead->geniv);
raead.blocksize = alg->cra_blocksize;
raead.maxauthsize = aead->maxauthsize;
raead.ivsize = aead->ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_AEAD,
sizeof(struct crypto_report_aead), &raead))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 110 | True | 1 |
||
CVE-2013-2548 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.45:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect length value during a copy operation, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_nivaead_report | crypto_nivaead_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_aead raead;
struct aead_alg *aead = &alg->cra_aead;
snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "nivaead");
snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s", aead->geniv);
raead.blocksize = alg->cra_blocksize;
raead.maxauthsize = aead->maxauthsize;
raead.ivsize = aead->ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_AEAD,
sizeof(struct crypto_report_aead), &raead))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 110 | True | 1 |
||
CVE-2013-2546 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect C library function for copying strings, which allows local users to obtain sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_ahash_report | crypto_ahash_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_hash rhash;
snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "ahash");
rhash.blocksize = alg->cra_blocksize;
rhash.digestsize = __crypto_hash_alg_common(alg)->digestsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_HASH,
sizeof(struct crypto_report_hash), &rhash))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 80 | True | 1 |
||
CVE-2013-2547 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 does not initialize certain structure members, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_ahash_report | crypto_ahash_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_hash rhash;
snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "ahash");
rhash.blocksize = alg->cra_blocksize;
rhash.digestsize = __crypto_hash_alg_common(alg)->digestsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_HASH,
sizeof(struct crypto_report_hash), &rhash))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 80 | True | 1 |
||
CVE-2013-2548 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect length value during a copy operation, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_ahash_report | crypto_ahash_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_hash rhash;
snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "ahash");
rhash.blocksize = alg->cra_blocksize;
rhash.digestsize = __crypto_hash_alg_common(alg)->digestsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_HASH,
sizeof(struct crypto_report_hash), &rhash))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 80 | True | 1 |
||
CVE-2013-2546 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect C library function for copying strings, which allows local users to obtain sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_blkcipher_report | crypto_blkcipher_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_blkcipher rblkcipher;
snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "blkcipher");
snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
alg->cra_blkcipher.geniv ?: "<default>");
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_blkcipher.min_keysize;
rblkcipher.max_keysize = alg->cra_blkcipher.max_keysize;
rblkcipher.ivsize = alg->cra_blkcipher.ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
sizeof(struct crypto_report_blkcipher), &rblkcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 119 | True | 1 |
||
CVE-2013-2547 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.59:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.60:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 does not initialize certain structure members, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_blkcipher_report | crypto_blkcipher_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_blkcipher rblkcipher;
snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "blkcipher");
snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
alg->cra_blkcipher.geniv ?: "<default>");
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_blkcipher.min_keysize;
rblkcipher.max_keysize = alg->cra_blkcipher.max_keysize;
rblkcipher.ivsize = alg->cra_blkcipher.ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
sizeof(struct crypto_report_blkcipher), &rblkcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 119 | True | 1 |
||
CVE-2013-2548 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.45:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect length value during a copy operation, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_blkcipher_report | crypto_blkcipher_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_blkcipher rblkcipher;
snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "blkcipher");
snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
alg->cra_blkcipher.geniv ?: "<default>");
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_blkcipher.min_keysize;
rblkcipher.max_keysize = alg->cra_blkcipher.max_keysize;
rblkcipher.ivsize = alg->cra_blkcipher.ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
sizeof(struct crypto_report_blkcipher), &rblkcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 119 | True | 1 |
||
CVE-2013-2546 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect C library function for copying strings, which allows local users to obtain sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_report_cipher | crypto_report_cipher( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_cipher rcipher;
snprintf(rcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "cipher");
rcipher.blocksize = alg->cra_blocksize;
rcipher.min_keysize = alg->cra_cipher.cia_min_keysize;
rcipher.max_keysize = alg->cra_cipher.cia_max_keysize;
if (nla_put(skb, CRYPTOCFGA_REPORT_CIPHER,
sizeof(struct crypto_report_cipher), &rcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 89 | True | 1 |
||
CVE-2013-2547 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 does not initialize certain structure members, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_report_cipher | crypto_report_cipher( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_cipher rcipher;
snprintf(rcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "cipher");
rcipher.blocksize = alg->cra_blocksize;
rcipher.min_keysize = alg->cra_cipher.cia_min_keysize;
rcipher.max_keysize = alg->cra_cipher.cia_max_keysize;
if (nla_put(skb, CRYPTOCFGA_REPORT_CIPHER,
sizeof(struct crypto_report_cipher), &rcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 89 | True | 1 |
||
CVE-2013-2548 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect length value during a copy operation, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_report_cipher | crypto_report_cipher( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_cipher rcipher;
snprintf(rcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "cipher");
rcipher.blocksize = alg->cra_blocksize;
rcipher.min_keysize = alg->cra_cipher.cia_min_keysize;
rcipher.max_keysize = alg->cra_cipher.cia_max_keysize;
if (nla_put(skb, CRYPTOCFGA_REPORT_CIPHER,
sizeof(struct crypto_report_cipher), &rcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 89 | True | 1 |
||
CVE-2013-2546 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect C library function for copying strings, which allows local users to obtain sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_report_comp | crypto_report_comp( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_comp rcomp;
snprintf(rcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "compression");
if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS,
sizeof(struct crypto_report_comp), &rcomp))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 61 | True | 1 |
||
CVE-2013-2547 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 does not initialize certain structure members, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_report_comp | crypto_report_comp( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_comp rcomp;
snprintf(rcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "compression");
if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS,
sizeof(struct crypto_report_comp), &rcomp))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 61 | True | 1 |
||
CVE-2013-2548 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.45:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect length value during a copy operation, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_report_comp | crypto_report_comp( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_comp rcomp;
snprintf(rcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "compression");
if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS,
sizeof(struct crypto_report_comp), &rcomp))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 61 | True | 1 |
||
CVE-2013-2546 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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'cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.60:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect C library function for copying strings, which allows local users to obtain sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_report_one | crypto_report_one( struct crypto_alg * alg , struct crypto_user_alg * ualg , struct sk_buff * skb) | ['alg', 'ualg', 'skb'] | static int crypto_report_one(struct crypto_alg *alg,
struct crypto_user_alg *ualg, struct sk_buff *skb)
{
memcpy(&ualg->cru_name, &alg->cra_name, sizeof(ualg->cru_name));
memcpy(&ualg->cru_driver_name, &alg->cra_driver_name,
sizeof(ualg->cru_driver_name));
memcpy(&ualg->cru_module_name, module_name(alg->cra_module),
CRYPTO_MAX_ALG_NAME);
ualg->cru_flags = alg->cra_flags;
ualg->cru_refcnt = atomic_read(&alg->cra_refcnt);
if (nla_put_u32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority))
goto nla_put_failure;
if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
struct crypto_report_larval rl;
snprintf(rl.type, CRYPTO_MAX_ALG_NAME, "%s", "larval");
if (nla_put(skb, CRYPTOCFGA_REPORT_LARVAL,
sizeof(struct crypto_report_larval), &rl))
goto nla_put_failure;
goto out;
}
if (alg->cra_type && alg->cra_type->report) {
if (alg->cra_type->report(skb, alg))
goto nla_put_failure;
goto out;
}
switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) {
case CRYPTO_ALG_TYPE_CIPHER:
if (crypto_report_cipher(skb, alg))
goto nla_put_failure;
break;
case CRYPTO_ALG_TYPE_COMPRESS:
if (crypto_report_comp(skb, alg))
goto nla_put_failure;
break;
}
out:
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 255 | True | 1 |
||
CVE-2013-2547 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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'cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.59:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.60:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 does not initialize certain structure members, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_report_one | crypto_report_one( struct crypto_alg * alg , struct crypto_user_alg * ualg , struct sk_buff * skb) | ['alg', 'ualg', 'skb'] | static int crypto_report_one(struct crypto_alg *alg,
struct crypto_user_alg *ualg, struct sk_buff *skb)
{
memcpy(&ualg->cru_name, &alg->cra_name, sizeof(ualg->cru_name));
memcpy(&ualg->cru_driver_name, &alg->cra_driver_name,
sizeof(ualg->cru_driver_name));
memcpy(&ualg->cru_module_name, module_name(alg->cra_module),
CRYPTO_MAX_ALG_NAME);
ualg->cru_flags = alg->cra_flags;
ualg->cru_refcnt = atomic_read(&alg->cra_refcnt);
if (nla_put_u32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority))
goto nla_put_failure;
if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
struct crypto_report_larval rl;
snprintf(rl.type, CRYPTO_MAX_ALG_NAME, "%s", "larval");
if (nla_put(skb, CRYPTOCFGA_REPORT_LARVAL,
sizeof(struct crypto_report_larval), &rl))
goto nla_put_failure;
goto out;
}
if (alg->cra_type && alg->cra_type->report) {
if (alg->cra_type->report(skb, alg))
goto nla_put_failure;
goto out;
}
switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) {
case CRYPTO_ALG_TYPE_CIPHER:
if (crypto_report_cipher(skb, alg))
goto nla_put_failure;
break;
case CRYPTO_ALG_TYPE_COMPRESS:
if (crypto_report_comp(skb, alg))
goto nla_put_failure;
break;
}
out:
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 255 | True | 1 |
||
CVE-2013-2548 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.6.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*', 'cpe_name': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.28:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.58:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.52:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.35:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.36:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.4:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.66:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.45:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect length value during a copy operation, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_report_one | crypto_report_one( struct crypto_alg * alg , struct crypto_user_alg * ualg , struct sk_buff * skb) | ['alg', 'ualg', 'skb'] | static int crypto_report_one(struct crypto_alg *alg,
struct crypto_user_alg *ualg, struct sk_buff *skb)
{
memcpy(&ualg->cru_name, &alg->cra_name, sizeof(ualg->cru_name));
memcpy(&ualg->cru_driver_name, &alg->cra_driver_name,
sizeof(ualg->cru_driver_name));
memcpy(&ualg->cru_module_name, module_name(alg->cra_module),
CRYPTO_MAX_ALG_NAME);
ualg->cru_flags = alg->cra_flags;
ualg->cru_refcnt = atomic_read(&alg->cra_refcnt);
if (nla_put_u32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority))
goto nla_put_failure;
if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
struct crypto_report_larval rl;
snprintf(rl.type, CRYPTO_MAX_ALG_NAME, "%s", "larval");
if (nla_put(skb, CRYPTOCFGA_REPORT_LARVAL,
sizeof(struct crypto_report_larval), &rl))
goto nla_put_failure;
goto out;
}
if (alg->cra_type && alg->cra_type->report) {
if (alg->cra_type->report(skb, alg))
goto nla_put_failure;
goto out;
}
switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) {
case CRYPTO_ALG_TYPE_CIPHER:
if (crypto_report_cipher(skb, alg))
goto nla_put_failure;
break;
case CRYPTO_ALG_TYPE_COMPRESS:
if (crypto_report_comp(skb, alg))
goto nla_put_failure;
break;
}
out:
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 255 | True | 1 |
||
CVE-2013-2546 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.6:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.27:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.8:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.51:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.57:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.7.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect C library function for copying strings, which allows local users to obtain sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_pcomp_report | crypto_pcomp_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_comp rpcomp;
snprintf(rpcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "pcomp");
if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS,
sizeof(struct crypto_report_comp), &rpcomp))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 61 | True | 1 |
||
CVE-2013-2547 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 does not initialize certain structure members, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_pcomp_report | crypto_pcomp_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_comp rpcomp;
snprintf(rpcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "pcomp");
if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS,
sizeof(struct crypto_report_comp), &rpcomp))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 61 | True | 1 |
||
CVE-2013-2548 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.4.22:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.3.5:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.45:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect length value during a copy operation, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_pcomp_report | crypto_pcomp_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_comp rpcomp;
snprintf(rpcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "pcomp");
if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS,
sizeof(struct crypto_report_comp), &rpcomp))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 61 | True | 1 |
||
CVE-2013-2546 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The report API in the crypto user configuration API in the Linux kernel through 3.8.2 uses an incorrect C library function for copying strings, which allows local users to obtain sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_rng_report | crypto_rng_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_rng rrng;
snprintf(rrng.type, CRYPTO_MAX_ALG_NAME, "%s", "rng");
rrng.seedsize = alg->cra_rng.seedsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_RNG,
sizeof(struct crypto_report_rng), &rrng))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 71 | True | 1 |
||
CVE-2013-2547 | False | False | False | False | AV:L/AC:L/Au:N/C:P/I:N/A:N | LOCAL | LOW | NONE | PARTIAL | NONE | NONE | 2.1 | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | nan | [{'url': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.openwall.com/lists/oss-security/2013/03/05/13', 'name': '[oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs', 'refsource': 'MLIST', 'tags': []}, {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6', 'refsource': 'CONFIRM', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1795-1', 'name': 'USN-1795-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1796-1', 'name': 'USN-1796-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1793-1', 'name': 'USN-1793-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1794-1', 'name': 'USN-1794-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.ubuntu.com/usn/USN-1797-1', 'name': 'USN-1797-1', 'refsource': 'UBUNTU', 'tags': []}, {'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:176', 'name': 'MDVSA-2013:176', 'refsource': 'MANDRIVA', 'tags': []}, {'url': 'http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html', 'name': 'openSUSE-SU-2013:1971', 'refsource': 'SUSE', 'tags': []}] | [{'description': [{'lang': 'en', 'value': 'CWE-310'}]}] | LOW | [{'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 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True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*', 'cpe_name': []}, {'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*', 'cpe_name': []}]}, {'operator': 'OR', 'children': [], 'cpe_match': [{'vulnerable': True, 'cpe23Uri': 'cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*', 'cpe_name': []}]}] | [{'lang': 'en', 'value': 'The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 does not initialize certain structure members, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.'}] | 2021-07-15T19:16Z | 2013-03-15T20:55Z | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | 1 | Mathias Krause | 2013-02-05 18:19:13+01:00 | crypto: user - fix info leaks in report API
Three errors resulting in kernel memory disclosure:
1/ The structures used for the netlink based crypto algorithm report API
are located on the stack. As snprintf() does not fill the remainder of
the buffer with null bytes, those stack bytes will be disclosed to users
of the API. Switch to strncpy() to fix this.
2/ crypto_report_one() does not initialize all field of struct
crypto_user_alg. Fix this to fix the heap info leak.
3/ For the module name we should copy only as many bytes as
module_name() returns -- not as much as the destination buffer could
hold. But the current code does not and therefore copies random data
from behind the end of the module name, as the module name is always
shorter than CRYPTO_MAX_ALG_NAME.
Also switch to use strncpy() to copy the algorithm's name and
driver_name. They are strings, after all.
Signed-off-by: Mathias Krause <[email protected]>
Cc: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]> | 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 | False | torvalds/linux | Linux kernel source tree | 2011-09-04 22:48:12 | 2022-08-26 19:08:15 | torvalds | 136917.0 | 44307.0 | crypto_rng_report | crypto_rng_report( struct sk_buff * skb , struct crypto_alg * alg) | ['skb', 'alg'] | static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_rng rrng;
snprintf(rrng.type, CRYPTO_MAX_ALG_NAME, "%s", "rng");
rrng.seedsize = alg->cra_rng.seedsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_RNG,
sizeof(struct crypto_report_rng), &rrng))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 71 | True | 1 |
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