CVE-2016-7154

Publication date 21 September 2016

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

6.7 · Medium

Score breakdown

Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.

Read the notes from the security team

Status

Package Ubuntu Release Status
xen 16.04 LTS xenial
Not affected
14.04 LTS trusty
Fixed 4.4.2-0ubuntu0.14.04.7
12.04 LTS precise
Not affected

Notes

tyhicks

only Xen 4.4.x is affected

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