CVE ID:	CVE-2012-1179
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.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2012-1179 1027084 http://www.securitytracker.com/id?1027084 48404 http://secunia.com/advisories/48404 48898 http://secunia.com/advisories/48898 FEDORA-2012-3712 http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075781.html HPSBGN02970 http://marc.info/?l=bugtraq&m=139447903326211&w=2 RHSA-2012:0743 http://rhn.redhat.com/errata/RHSA-2012-0743.html SUSE-SU-2012:0554 http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html [oss-security] 20120315 CVE-2012-1179 kernel: thp: __split_huge_page() mapcount != page_mapcount BUG_ON() http://www.openwall.com/lists/oss-security/2012/03/15/7 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1 https://bugzilla.redhat.com/show_bug.cgi?id=803793 https://bugzilla.redhat.com/show_bug.cgi?id=803793 https://github.com/torvalds/linux/commit/4a1d704194a441bf83c636004a479e01360ec850 https://github.com/torvalds/linux/commit/4a1d704194a441bf83c636004a479e01360ec850