SB2013031505 - Information disclosure in Linux kernel
Published: March 15, 2013 Updated: August 11, 2020
Security Bulletin ID
SB2013031505
Severity
Low
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) Information disclosure (CVE-ID: CVE-2012-6539)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The dev_ifconf function in net/socket.c in the Linux kernel before 3.6 does not initialize a certain structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=43da5f2e0d0c69ded3d51907d9552310a6b545e8
- http://www.openwall.com/lists/oss-security/2013/03/05/13
- http://www.ubuntu.com/usn/USN-1792-1
- http://www.ubuntu.com/usn/USN-1798-1
- https://github.com/torvalds/linux/commit/43da5f2e0d0c69ded3d51907d9552310a6b545e8
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2