CVE-2016-9932

Publication date 26 January 2017

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

3.3 · Low

Score breakdown

CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a “supposedly-ignored” operand size prefix.

Read the notes from the security team

Status

Package Ubuntu Release Status
xen 17.04 zesty
Fixed 4.8.0-1ubuntu1
16.10 yakkety
Fixed 4.7.0-0ubuntu2.1
16.04 LTS xenial
Fixed 4.6.0-1ubuntu4.3
14.04 LTS trusty
Fixed 4.4.2-0ubuntu0.14.04.9
12.04 LTS precise
Fixed 4.1.6.1-0ubuntu0.12.04.13

Notes


mdeslaur

This is XSA-200

Severity score breakdown

Parameter Value
Base score 3.3 · Low
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N