CVE-2016-3960

Publication date 19 April 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

Integer overflow in the x86 shadow pagetable code in Xen allows local guest OS users to cause a denial of service (host crash) or possibly gain privileges by shadowing a superpage mapping.

Status

Package Ubuntu Release Status
xen 16.04 LTS xenial
Fixed 4.6.0-1ubuntu4.1
15.10 wily
Fixed 4.5.1-0ubuntu1.4
14.04 LTS trusty
Fixed 4.4.2-0ubuntu0.14.04.6
12.04 LTS precise
Fixed 4.1.6.1-0ubuntu0.12.04.11

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
xen

Severity score breakdown

Parameter Value
Base score 8.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H