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CVE-2024-53056

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CVE-2024-53056

Published: Nov 19, 2024

Modified: May 23, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
7627122fd1c06800a1fe624e9fb3c269796115e8 - < c60583a87cb4a85b69d1f448f0be5eb6ec62cbb2
affected
7627122fd1c06800a1fe624e9fb3c269796115e8 - < 4018651ba5c409034149f297d3dd3328b91561fd
affected
2c4396693698e876e559768d3d3a150c672ec384
affected
5.15.54 - < 5.16

Linux

Linux

affected
5.17
unaffected
0 - < 5.17
unaffected
6.11.7 - <= 6.11.*
unaffected
6.12 - <= *

References

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