CVE-2024-53056 (GCVE-0-2024-53056)

Vulnerability from cvelistv5 – Published: 2024-11-19 17:19 – Updated: 2025-10-01 20:17
VLAI?
Title
drm/mediatek: Fix potential NULL dereference in mtk_crtc_destroy()
Summary
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.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 7627122fd1c06800a1fe624e9fb3c269796115e8 , < c60583a87cb4a85b69d1f448f0be5eb6ec62cbb2 (git)
Affected: 7627122fd1c06800a1fe624e9fb3c269796115e8 , < 4018651ba5c409034149f297d3dd3328b91561fd (git)
Affected: 2c4396693698e876e559768d3d3a150c672ec384 (git)
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    Linux Linux Affected: 5.17
Unaffected: 0 , < 5.17 (semver)
Unaffected: 6.11.7 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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