CVE ID:	CVE-2016-4480
Description:	The guest_walk_tables function in arch/x86/mm/guest_walk.c in Xen 4.6.x and earlier does not properly handle the Page Size (PS) page table entry bit at the L4 and L3 page table levels, which might allow local guest OS users to gain privileges via a crafted mapping of memory.
Test IDs:	1.3.6.1.4.1.25623.1.0.703633   1.3.6.1.4.1.25623.1.1.1.2.2016.571   1.3.6.1.4.1.25623.1.0.808391   1.3.6.1.4.1.25623.1.0.808339
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2016-4480 BugTraq ID: 90710 http://www.securityfocus.com/bid/90710 Debian Security Information: DSA-3633 (Google Search) http://www.debian.org/security/2016/dsa-3633 http://www.securitytracker.com/id/1035901