CVE-2012-6540 Information

Description

The do_ip_vs_get_ctl function in net/netfilter/ipvs/ip_vs_ctl.c in the Linux kernel before 3.6 does not initialize a certain structure for IP_VS_SO_GET_TIMEOUT commands which allows local users to obtain sensitive information from kernel stack memory via a crafted application.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2d8a041b7bfe1097af21441cb77d6af95f4f4680 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/2d8a041b7bfe1097af21441cb77d6af95f4f4680 https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2