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  4. CVE 2024 53056 drmmediatek fix potential null dereference in
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Back to active CVEs
Medium · CVSS 5.5CVE-2024-53056

drm/mediatek: Fix potential NULL dereference in mtk_crtc_destroy()

Answer in brief

CVE-2024-53056 records a Medium severity (CVSS 5.5) vulnerability in drm/mediatek: Fix potential NULL dereference in mtk_crtc_destroy(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 19, 2024Updated Oct 3, 2026Source checked Oct 3, 2026First seen by HOL Oct 3, 2026Material review Oct 3, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.5
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=7627122fd1c06800a1fe624e9fb3c269796115e8 <fb05e973698f4af008c7fb6e0cfa6a2fa1d98409 || >=7627122fd1c06800a1fe624e9fb3c269796115e8 <c60583a87cb4a85b69d1f448f0be5eb6ec62cbb2 || >=7627122fd1c06800a1fe624e9fb3c269796115e8 <4018651ba5c409034149f297d3dd3328b91561fd || 2c4396693698e876e559768d3d3a150c672ec384 || >=5.15.54 <5.16fb05e973698f4af008c7fb6e0cfa6a2fa1d98409, c60583a87cb4a85b69d1f448f0be5eb6ec62cbb2, 4018651ba5c409034149f297d3dd3328b91561fd, 5.16
Linux/Linuxgeneric5.17Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to fb05e973698f4af008c7fb6e0cfa6a2fa1d98409 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 19, 2024

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 3, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Fix potential NULL dereference in mtk_crtc_destroy() In mtk_crtc_create(), if the call to mbox_request_channel() fails then we set the "mtk_crtc->cmdq_client.chan" pointer to NULL. In that situation, we do not call cmdq_pkt_create(). During the cleanup, we need to check if the "mtk_crtc->cmdq_client.chan" is NULL first before calling cmdq_pkt_destroy(). Calling cmdq_pkt_destroy() is unnecessary if we didn't call cmdq_pkt_create() and it will result in a NULL pointer dereference.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-476
Source
CVE List V5
Source checked
Oct 3, 2026
References
3 linked sources
Open source record