CVE-2022-0135

Publication date 1 February 2022

Last updated 18 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An out-of-bounds write issue was found in the VirGL virtual OpenGL renderer (virglrenderer). This flaw allows a malicious guest to create a specially crafted virgil resource and then issue a VIRTGPU_EXECBUFFER ioctl, leading to a denial of service or possible code execution.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
virglrenderer	25.10 questing	Fixed 0.9.1-1~exp1ubuntu2
	25.04 plucky	Fixed 0.9.1-1~exp1ubuntu2
	24.10 oracular	Fixed 0.9.1-1~exp1ubuntu2
	24.04 LTS noble	Fixed 0.9.1-1~exp1ubuntu2
	23.10 mantic	Fixed 0.9.1-1~exp1ubuntu2
	23.04 lunar	Fixed 0.9.1-1~exp1ubuntu2
	22.10 kinetic	Fixed 0.9.1-1~exp1ubuntu2
	22.04 LTS jammy	Fixed 0.9.1-1~exp1ubuntu2
	21.10 impish	Fixed 0.8.2-5ubuntu0.21.10.1
	20.04 LTS focal	Fixed 0.8.2-1ubuntu1.1
	18.04 LTS bionic	Vulnerable
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Ignored end of standard support

Patch details

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

Package	Patch details
virglrenderer	Upstream: 95e581f

Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-5309-1
virglrenderer vulnerabilities
28 February 2022