CVE-2012-2133 - Hotfoot Measure

Description

Use-after-free vulnerability in the Linux kernel before 3.3.6 when huge pages are enabled allows local users to cause a denial of service (system crash) or possibly gain privileges by interacting with a hugetlbfs filesystem as demonstrated by a umount operation that triggers improper handling of quota data.

Reference

https://github.com/torvalds/linux/commit/90481622d75715bfcb68501280a917dbfe516029 http://www.openwall.com/lists/oss-security/2012/04/24/12 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=90481622d75715bfcb68501280a917dbfe516029 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6 https://bugzilla.redhat.com/show_bug.cgi?id=817430 http://www.securityfocus.com/bid/53233 https://exchange.xforce.ibmcloud.com/vulnerabilities/75168 http://www.debian.org/security/2012/dsa-2469 http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html