CVE-2016-4962

Publication date 7 June 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.7 · Medium

Score breakdown

The libxl device-handling in Xen 4.6.x and earlier allows local OS guest administrators to cause a denial of service (resource consumption or management facility confusion) or gain host OS privileges by manipulating information in guest controlled areas of xenstore.

Read the notes from the security team

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 Ignored

Notes

mdeslaur

we will not be fixing this issue in precise

Severity score breakdown

Parameter Value
Base score 6.7 · Medium
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H