SB2013031521 - Information exposure in Linux kernel xfrm
Published: March 15, 2013
Security Bulletin ID
SB2013031521
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information exposure (CVE-ID: CVE-2012-6537)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information exposure error within the copy_to_user_tmpl() function in net/xfrm/xfrm_user.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1f86840f897717f86d523a13e99a447e6a5d2fa5
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7b789836f434c87168eab067cfbed1ec4783dffd
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f778a636713a435d3a922c60b1622a91136560c1
- http://rhn.redhat.com/errata/RHSA-2013-0744.html
- 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/1f86840f897717f86d523a13e99a447e6a5d2fa5
- https://github.com/torvalds/linux/commit/7b789836f434c87168eab067cfbed1ec4783dffd
- https://github.com/torvalds/linux/commit/f778a636713a435d3a922c60b1622a91136560c1
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2