CVE-2024-49912
drm/amd/display: Handle null 'stream_status' in 'planes_changed_for_existing_stream'
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drm/amd/display: Handle null 'stream_status' in 'planes_changed_for_existing_stream'
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Handle null 'stream_status' in 'planes_changed_for_existing_stream' This commit adds a null check for 'stream_status' in the function 'planes_changed_for_existing_stream'. Previously, the code assumed 'stream_status' could be null, but did not handle the case where it was actually null. This could lead to a null pointer dereference. Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:3784 planes_changed_for_existing_stream() error: we previously assumed 'stream_status' could be null (see line 3774)
Reserved 2024-10-21 | Published 2024-10-21 | Updated 2024-12-19 | Assigner Linuxgit.kernel.org/...c/c4b699b93496c423b0e5b584d4eb4ab849313bcf
git.kernel.org/...c/4778982c73d6c9f3fdbdbc6b6c8aa18df98251af
git.kernel.org/...c/ec6c32b58e6c4e87760e797c525e99a460c82bcb
git.kernel.org/...c/0ffd9fb03bbc99ed1eb5dc989d5c7da2faac0659
git.kernel.org/...c/8141f21b941710ecebe49220b69822cab3abd23d
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