CVE-2022-0175
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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.32% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 25.2% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-08-26 00:00Z4 YR AGO
- Last updated
- 2024-08-02 23:18Z2 YR AGO
- Reserved
- 2022-01-10
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-909Missing Initialization of ResourceClass
- Data version
- 5.1
- Document digest
- ac1d2b6a79060202393d51ba74efd2d2832ed9cbc6aac5dd9faa9b1bd339e4f3
05 Affected products
06 References
- gitlab.freedesktop.orghttps://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/654
- gitlab.freedesktop.orghttps://gitlab.freedesktop.org/virgl/virglrenderer/-/commit/b05bb61f454eeb8a85164c8a31510aeb9d79129c
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2039003
- security-tracker.debian.orghttps://security-tracker.debian.org/tracker/CVE-2022-0175
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2022-0175
- security.gentoo.orgGLSA-202210-05https://security.gentoo.org/glsa/202210-05
07 Fixed in
Ubuntu 18.04 LTS
- virglrenderer No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- virglrenderer Fixed in 0.8.2-1ubuntu1.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- virglrenderer Fixed in 0.9.1-1~exp1ubuntu2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.