EUVD-2026-27802
GHSA-wff9-vm6f-fgv2
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
4DescriptionNVD
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add signal type check for dcn401 get_phyd32clk_src
Trying to access link enc on a dpia link will cause a crash otherwise
AnalysisAI
A denial of service vulnerability in the Linux kernel's AMD display driver (drm/amd/display) allows local authenticated users to crash the system by accessing link encoder functionality on DisplayPort over USB-C (DPIA) links without proper signal type validation. The vulnerability affects kernel versions before the patches released in stable branches 6.12.75, 6.18.16, 6.19.6, and 7.0. …
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