CVE-2016-10025

Publication date 26 January 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

VMFUNC emulation in Xen 4.6.x through 4.8.x on x86 systems using AMD virtualization extensions (aka SVM) allows local HVM guest OS users to cause a denial of service (hypervisor crash) by leveraging a missing NULL pointer check.

Read the notes from the security team

Status

Show unmaintained releases

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	Not in release
	12.04 LTS precise	Not affected

Notes

mdeslaur

This is XSA-203

Patch details

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

Package	Patch details
xen	Upstream: https://xenbits.xen.org/xsa/xsa203.patch Upstream: https://xenbits.xen.org/xsa/xsa203-4.7.patch Upstream: https://xenbits.xen.org/xsa/xsa203-4.8.patch

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H