CVE ID:	CVE-2016-3157
Description:	The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.
Test IDs:	1.3.6.1.4.1.25623.1.0.703607
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2016-3157 BugTraq ID: 84594 http://www.securityfocus.com/bid/84594 Debian Security Information: DSA-3607 (Google Search) http://www.debian.org/security/2016/dsa-3607 http://www.securitytracker.com/id/1035308 http://www.ubuntu.com/usn/USN-2968-1 http://www.ubuntu.com/usn/USN-2968-2 http://www.ubuntu.com/usn/USN-2969-1 http://www.ubuntu.com/usn/USN-2970-1 http://www.ubuntu.com/usn/USN-2971-1 http://www.ubuntu.com/usn/USN-2971-2 http://www.ubuntu.com/usn/USN-2971-3 http://www.ubuntu.com/usn/USN-2996-1 http://www.ubuntu.com/usn/USN-2997-1