CVE-2024-53056 (GCVE-0-2024-53056)
Vulnerability from cvelistv5
Published
2024-11-19 17:19
Modified
2025-10-01 20:17
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4018651ba5c409034149f297d3dd3328b91561fdPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c60583a87cb4a85b69d1f448f0be5eb6ec62cbb2Patch
Impacted products
Vendor Product Version
Linux Linux Version: 7627122fd1c06800a1fe624e9fb3c269796115e8
Version: 7627122fd1c06800a1fe624e9fb3c269796115e8
Version: 2c4396693698e876e559768d3d3a150c672ec384
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   Linux Linux Version: 5.17
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