CVE-2016-7092

Publication date 21 September 2016

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

8.2 · High

Score breakdown

The get_page_from_l3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables.

Status

Package Ubuntu Release Status
xen 16.04 LTS xenial
Fixed 4.6.0-1ubuntu4.2
14.04 LTS trusty
Fixed 4.4.2-0ubuntu0.14.04.7
12.04 LTS precise
Fixed 4.1.6.1-0ubuntu0.12.04.12

Severity score breakdown

Parameter Value
Base score 8.2 · High
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H