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.
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2016-05-18T14:00:00

Updated: 2016-11-29T16:57:01

Reserved: 2016-05-03T00:00:00


Link: CVE-2016-4480

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2016-05-18T14:59:05.413

Modified: 2016-12-01T03:10:58.707


Link: CVE-2016-4480

JSON object: View

cve-icon Redhat Information

No data.

CWE