CVE-2013-0313

Severity: medium (CVSS 6.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-02-22 · updated 2026-06-16

Description

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.

Affected products

Linux kernel: through 3.7.4; 3.0-rc1, 3.0-rc2, 3.0-rc3, 3.0-rc4, 3.0-rc5, 3.0-rc6 (+159)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a67adb997419fb53540d4a4f79c6471c60bc69b6
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.5
http://www.openwall.com/lists/oss-security/2013/02/20/16
https://bugzilla.redhat.com/show_bug.cgi?id=913266
https://github.com/torvalds/linux/commit/a67adb997419fb53540d4a4f79c6471c60bc69b6
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a67adb997419fb53540d4a4f79c6471c60bc69b6
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.5
http://www.openwall.com/lists/oss-security/2013/02/20/16
https://bugzilla.redhat.com/show_bug.cgi?id=913266
https://github.com/torvalds/linux/commit/a67adb997419fb53540d4a4f79c6471c60bc69b6

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