Information disclosure in Linux kernel - CVE-2011-2494

Vulnerability details

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.

Affected software

How to mitigate CVE-2011-2494

External 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

Related Security Bulletins

• Information disclosure in Linux kernel
• SUSE Linux update for Linux kernel