5.5

CVE-2024-26648

drm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay()

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay()

In edp_setup_replay(), 'struct dc *dc' & 'struct dmub_replay *replay'
was dereferenced before the pointer 'link' & 'replay' NULL check.

Fixes the below:
drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check 'link' (see line 933)
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 6.6.15
Linux ≫ Linux Kernel Version >= 6.7 < 6.7.3
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.22% 0.128
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 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/22ae604aea14756954e1c00ae653e34d2afd2935
Patch
https://git.kernel.org/stable/c/7073934f5d73f8b53308963cee36f0d389ea857c
Patch
https://git.kernel.org/stable/c/c02d257c654191ecda1dc1af6875d527e85310e7
Patch