CVE-2024-49919None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null check for head_pipe in dcn201_acquire_free_pipe_for_layer This commit addresses a potential null pointer dereference issue in the `dcn201_acq…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 3.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add null check for head_pipe in dcn201_acquire_free_pipe_for_layer
This commit addresses a potential null pointer dereference issue in the
dcn201_acquire_free_pipe_for_layer function. The issue could occur
when head_pipe is null.
The fix adds a check to ensure head_pipe is not null before asserting
it. If head_pipe is null, the function returns NULL to prevent a
potential null pointer dereference.
Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn201/dcn201_resource.c:1016 dcn201_acquire_free_pipe_for_layer() error: we previously assumed 'head_pipe' could be null (see line 1010)
Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < d11ae22a8beee9771d933c1e5c95e217edcdbd38Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 16ce8fd94da8599bb6f0496895d392a69aead1c0Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 390d757621f5f35d11a63ed7d9d3262ead240064Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 8a1b1655a490a492a5a6987254c935ecce4eb9deLinux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < f22f4754aaa47d8c59f166ba3042182859e5dff7Linux 4.15Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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