CVE-2022-0175

Publication date 1 February 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

A flaw was found in the VirGL virtual OpenGL renderer (virglrenderer). The virgl did not properly initialize memory when allocating a host-backed memory resource. A malicious guest could use this flaw to mmap from the guest kernel and read this uninitialized memory from the host, possibly leading to information disclosure.

Status

Package Ubuntu Release Status
virglrenderer 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

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 High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-5309-1
    • virglrenderer vulnerabilities
    • 28 February 2022

Other references