CVE - CVE-2016-4480

CVE-ID
CVE-2016-4480	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BID:90710 URL:http://www.securityfocus.com/bid/90710 CONFIRM:http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html CONFIRM:http://xenbits.xen.org/xsa/advisory-176.html DEBIAN:DSA-3633 URL:http://www.debian.org/security/2016/dsa-3633 SECTRACK:1035901 URL:http://www.securitytracker.com/id/1035901
Assigning CNA
MITRE Corporation
Date Record Created
20160503	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20160503)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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