CVE ID:	CVE-2015-0239
Description:	The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.
Test IDs:	1.3.6.1.4.1.25623.1.0.703170
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2015-0239 72842 http://www.securityfocus.com/bid/72842 DSA-3170 http://www.debian.org/security/2015/dsa-3170 MDVSA-2015:058 http://www.mandriva.com/security/advisories?name=MDVSA-2015:058 RHSA-2015:1272 http://rhn.redhat.com/errata/RHSA-2015-1272.html USN-2513-1 http://www.ubuntu.com/usn/USN-2513-1 USN-2514-1 http://www.ubuntu.com/usn/USN-2514-1 USN-2515-1 http://www.ubuntu.com/usn/USN-2515-1 USN-2516-1 http://www.ubuntu.com/usn/USN-2516-1 USN-2517-1 http://www.ubuntu.com/usn/USN-2517-1 USN-2518-1 http://www.ubuntu.com/usn/USN-2518-1 [bk-commits-head] 20150123 KVM: x86: SYSENTER emulation is broken http://permalink.gmane.org/gmane.linux.kernel.commits.head/502245 [oss-security] 20150127 KVM SYSENTER emulation vulnerability - CVE-2015-0239 http://www.openwall.com/lists/oss-security/2015/01/27/6 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f3747379accba8e95d70cec0eae0582c8c182050 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f3747379accba8e95d70cec0eae0582c8c182050 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5 http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html https://bugzilla.redhat.com/show_bug.cgi?id=1186448 https://bugzilla.redhat.com/show_bug.cgi?id=1186448 https://github.com/torvalds/linux/commit/f3747379accba8e95d70cec0eae0582c8c182050 https://github.com/torvalds/linux/commit/f3747379accba8e95d70cec0eae0582c8c182050