SB2013031504 - Information disclosure in Linux kernel
Published: March 15, 2013 Updated: August 11, 2020
Security Bulletin ID
SB2013031504
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-2012-6549)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The isofs_export_encode_fh function in fs/isofs/export.c in the Linux kernel before 3.6 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel heap 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=fe685aabf7c8c9f138e5ea900954d295bf229175
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/03/05/13
- http://www.ubuntu.com/usn/USN-1809-1
- http://www.ubuntu.com/usn/USN-1811-1
- http://www.ubuntu.com/usn/USN-1812-1
- http://www.ubuntu.com/usn/USN-1813-1
- http://www.ubuntu.com/usn/USN-1814-1
- http://www.ubuntu.com/usn/USN-1829-1
- https://github.com/torvalds/linux/commit/fe685aabf7c8c9f138e5ea900954d295bf229175
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2