CVE-2016-4963

Publication date 7 June 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

4.7 · Medium

Score breakdown

The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (management tool confusion) by manipulating information in the backend directories in 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 4.7 · Medium
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H