CVE-2024-26729

Summary

CVE-2024-26729 is a vulnerability affecting the Linux kernel that has been addressed. The issue lies in the drm/amd/display module, specifically in the dc_dmub_srv functions. These functions contained null pointer dereferences, which could lead to a null pointer dereference if 'dc_dmub_srv' is null. The fix involves moving the null checks for 'dc_dmub_srv' to the beginning of the functions to ensure it is not null before dereferencing. This vulnerability was identified using the smatch tool, which flagged two instances in drivers/gpu/drm/amd/amdgpu/display/dc/dc_dmub_srv.c.

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