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CVE-2016-4480

Status Candidate

Overview

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.

Related Files

Debian Security Advisory 3633-1
Posted Jul 28, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3633-1 - Multiple vulnerabilities have been discovered in the Xen hypervisor.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2015-8338, CVE-2016-4480, CVE-2016-4962, CVE-2016-5242, CVE-2016-6258
SHA-256 | 69e2b39b3913e68cc3897dadfc8422de8be200cf50452bcb270d6b48048d7d24
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