CVE-2020-8002: Null Pointer Dereference
First published: Mon Jan 27 2020(Updated: )
A NULL pointer dereference in vrend_renderer.c in virglrenderer through 0.8.1 allows attackers to cause a denial of service via commands that attempt to launch a grid without previously providing a Compute Shader (CS).
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Freedesktop Virglrenderer | <=0.8.1 | |
| Debian Debian Linux | =10.0 |
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Reference Links
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340/diffs?commit_id=572a36879701598fa727f50313508be99865b58f
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340/diffs?commit_id=725e12beba4a41934f0ab62d399b5d4de2d13190
- https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html
Frequently Asked Questions
What is CVE-2020-8002?
CVE-2020-8002 is a vulnerability in virglrenderer that allows attackers to cause a denial of service through certain commands.
How does CVE-2020-8002 work?
CVE-2020-8002 occurs due to a NULL pointer dereference in vrend_renderer.c in virglrenderer.
What is the severity of CVE-2020-8002?
The severity of CVE-2020-8002 is medium with a CVSS score of 5.5.
Which software versions are affected by CVE-2020-8002?
Versions up to and including 0.8.1 of virglrenderer and Debian Linux 10.0 are affected by CVE-2020-8002.
How can I fix CVE-2020-8002?
To fix CVE-2020-8002, it is recommended to update to a version of virglrenderer that is higher than 0.8.1.
- agent/references
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- source/MITRE
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- agent/description
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- agent/software-canonical-lookup-request
- vendor/virglrenderer project
- canonical/freedesktop virglrenderer
- version/freedesktop virglrenderer/0.8.1
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0