5.5

CVE-2024-49912

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)
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 6.1.113
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.55
Linux ≫ Linux Kernel Version >= 6.7 < 6.10.14
Linux ≫ Linux Kernel Version >= 6.11 < 6.11.3
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.145
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/0ffd9fb03bbc99ed1eb5dc989d5c7da2faac0659
Patch
https://git.kernel.org/stable/c/4778982c73d6c9f3fdbdbc6b6c8aa18df98251af
Patch
https://git.kernel.org/stable/c/8141f21b941710ecebe49220b69822cab3abd23d
Patch
https://git.kernel.org/stable/c/c4b699b93496c423b0e5b584d4eb4ab849313bcf
Patch
https://git.kernel.org/stable/c/ec6c32b58e6c4e87760e797c525e99a460c82bcb
Patch
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html