Configuration in Linux kernel - CVE-2012-0957

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Main Vulnerability Database Vulnerabilities #VU43239

Configuration in Linux kernel - CVE-2012-0957

Published: December 21, 2012 / Updated: August 11, 2020


Vulnerability identifier: #VU43239
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-0957
CWE-ID: CWE-16
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

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 software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-backport-oneiric (Ubuntu package)
linux-lts-quantal (Ubuntu package)

How to mitigate CVE-2012-0957

Install update from vendor's website.

linux (Ubuntu package) - addressed in versions 3.0.0-28.45, 3.2.0-34.53, 3.5.0-19.30
linux-lts-backport-oneiric (Ubuntu package) - update to 3.0.0-28.45~lucid1
linux-lts-quantal (Ubuntu package) - update to 3.5.0-22.34~precise1

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins