CVE-2016-6258
Publication date 2 August 2016
Last updated 25 August 2025
Ubuntu priority
Description
The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.
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
|
|
Severity score breakdown
CVSS version: CVSS v3.0
Base score
8.8 · High
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H