CVE-2013-0313

MEDIUM

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.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=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

Details

Source: MITRE

Published: 2013-02-22

Updated: 2013-02-22

Risk Information

CVSS v2.0

Base Score: 6.2

Vector: AV:L/AC:H/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 1.9

Severity: MEDIUM