CVE-2024-43904 (GCVE-0-2024-43904)
Vulnerability from cvelistv5
Published
2024-08-26 10:11
Modified
2025-11-03 22:07
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null checks for 'stream' and 'plane' before dereferencing This commit adds null checks for the 'stream' and 'plane' variables in the dcn30_apply_idle_power_optimizations function. These variables were previously assumed to be null at line 922, but they were used later in the code without checking if they were null. This could potentially lead to a null pointer dereference, which would cause a crash. The null checks ensure that 'stream' and 'plane' are not null before they are used, preventing potential crashes. Fixes the below static smatch checker: drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn30/dcn30_hwseq.c:938 dcn30_apply_idle_power_optimizations() error: we previously assumed 'stream' could be null (see line 922) drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn30/dcn30_hwseq.c:940 dcn30_apply_idle_power_optimizations() error: we previously assumed 'plane' could be null (see line 922)
References
Impacted products
Vendor Product Version
Linux Linux Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
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