SB2012122113 - Configuration in Linux kernel
Published: December 21, 2012 Updated: August 11, 2020
Security Bulletin ID
SB2012122113
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Configuration (CVE-ID: CVE-2012-0957)
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.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=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
- https://bugzilla.redhat.com/show_bug.cgi?id=862877
- https://github.com/torvalds/linux/commit/2702b1526c7278c4d65d78de209a465d4de2885e