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
Information
Published : 2016-05-18 07:59
Updated : 2016-11-30 19:10
NVD link : CVE-2016-4480
Mitre link : CVE-2016-4480
JSON object : View
CWE
CWE-264
Permissions, Privileges, and Access Controls
Products Affected
xen
- xen
oracle
- vm_server