CVE-2015-7835

Publication date 30 October 2015

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.

Status

Package Ubuntu Release Status
xen 15.10 wily
Fixed 4.5.1-0ubuntu1.1
15.04 vivid
Fixed 4.5.0-1ubuntu4.3
14.04 LTS trusty
Fixed 4.4.2-0ubuntu0.14.04.3
12.04 LTS precise
Fixed 4.1.6.1-0ubuntu0.12.04.7