CVE ID:	CVE-2016-3159
Description:	The fpu_fxrstor function in arch/x86/i387.c in Xen 4.x does not properly handle writes to the hardware FSW.ES bit when running on AMD64 processors, which allows local guest OS users to obtain sensitive register content information from another guest by leveraging pending exception and mask bits. NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-2076.
Test IDs:	1.3.6.1.4.1.25623.1.0.703554   1.3.6.1.4.1.25623.1.1.1.2.2016.571
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2016-3159 BugTraq ID: 85716 http://www.securityfocus.com/bid/85716 Debian Security Information: DSA-3554 (Google Search) http://www.debian.org/security/2016/dsa-3554 http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181699.html http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181729.html http://www.securitytracker.com/id/1035435