CVE-2017-15588

Publication date 18 October 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
xen	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Fixed 4.9.2-0ubuntu1
	17.10 artful	Ignored
	17.04 zesty	Ignored
	16.04 LTS xenial	Fixed 4.6.4-0ubuntu1.4
	14.04 LTS trusty	Not in release

Notes

mdeslaur

hypervisor packages are in universe. For issues in the hypervisor, add appropriate tags to each section, ex: Tags_xen: universe-binary

Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	High
Privileges required	Low
User interaction	None
Scope	Changed
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H