EUVD-2026-24799CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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7DescriptionNVD
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: check if ext_caps is valid in BL setup
LVDS connectors don't have extended backlight caps so check if the pointer is valid before accessing it.
(cherry picked from commit 3f797396d7f4eb9bb6eded184bbc6f033628a6f6)
AnalysisAI
Denial of service via null pointer dereference in AMD display driver backlight setup affects Linux kernel versions 6.19 through 7.0-rc5 when LVDS connectors are present without extended backlight capabilities. Local authenticated users with low privileges can trigger a crash by accessing backlight controls on affected systems, causing system instability. …
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