CVE ID:	CVE-2014-7155
Description:	The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.
Test IDs:	1.3.6.1.4.1.25623.1.1.4.2014.1732.1   1.3.6.1.4.1.25623.1.1.4.2014.1710.1   1.3.6.1.4.1.25623.1.1.4.2014.1318.1
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2014-7155 BugTraq ID: 70057 http://www.securityfocus.com/bid/70057 Debian Security Information: DSA-3041 (Google Search) http://www.debian.org/security/2014/dsa-3041 http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html http://security.gentoo.org/glsa/glsa-201412-42.xml http://www.securitytracker.com/id/1030888 http://secunia.com/advisories/61858 http://secunia.com/advisories/61890 SuSE Security Announcement: openSUSE-SU-2014:1279 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html SuSE Security Announcement: openSUSE-SU-2014:1281 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html