CVE-2012-0957

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-12-21 · updated 2026-06-16
Weakness: CWE-16

Description

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.

Affected products

Linux kernel: through 3.4.15; 3.0-rc1, 3.0-rc2, 3.0-rc3, 3.0-rc4, 3.0-rc5, 3.0-rc6 (+131)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2702b1526c7278c4d65d78de209a465d4de2885e
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html
http://secunia.com/advisories/51409
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16
http://www.openwall.com/lists/oss-security/2012/10/09/4
http://www.ubuntu.com/usn/USN-1644-1
http://www.ubuntu.com/usn/USN-1645-1
http://www.ubuntu.com/usn/USN-1646-1
http://www.ubuntu.com/usn/USN-1647-1
http://www.ubuntu.com/usn/USN-1648-1
http://www.ubuntu.com/usn/USN-1649-1
http://www.ubuntu.com/usn/USN-1652-1

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