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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  
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




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