CVE-2022-0175
Publication date 1 February 2022
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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 | 24.04 LTS noble |
Fixed 0.9.1-1~exp1ubuntu2
|
22.04 LTS jammy |
Fixed 0.9.1-1~exp1ubuntu2
|
|
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 |
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