CVE-2012-1179 - Clupeoid Lynx

Description

The Linux kernel before 3.3.1 when KVM is used allows guest OS users to cause a denial of service (host OS crash) by leveraging administrative access to the guest OS related to the pmd_none_or_clear_bad function and page faults for huge pages.

Reference

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1 http://www.openwall.com/lists/oss-security/2012/03/15/7 https://bugzilla.redhat.com/show_bug.cgi?id=803793 https://github.com/torvalds/linux/commit/4a1d704194a441bf83c636004a479e01360ec850 http://secunia.com/advisories/48404 http://secunia.com/advisories/48898 http://www.securitytracker.com/id?1027084 http://rhn.redhat.com/errata/RHSA-2012-0743.html http://marc.info/?l=bugtraq&m=139447903326211&w=2 http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075781.html http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html