SB2012061306 - Information disclosure in Linux kernel
Published: June 13, 2012 Updated: August 11, 2020
Security Bulletin ID
SB2012061306
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-2011-2494)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
kernel/taskstats.c in the Linux kernel before 3.1 allows local users to obtain sensitive I/O statistics by sending taskstats commands to a netlink socket, as demonstrated by discovering the length of another user's password.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1a51410abe7d0ee4b1d112780f46df87d3621043
- http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
- http://secunia.com/advisories/48898
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
- http://www.openwall.com/lists/oss-security/2011/06/27/1
- https://bugzilla.redhat.com/show_bug.cgi?id=716842
- https://github.com/torvalds/linux/commit/1a51410abe7d0ee4b1d112780f46df87d3621043