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Vulnerabilities CVE-2025-21985

CVE-2025-21985

High
Open
TLP:CLEAR

drm/amd/display: Fix out-of-bound accesses

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Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix out-of-bound accesses [WHAT & HOW] hpo_stream_to_link_encoder_mapping has size MAX_HPO_DP2_ENCODERS(=4), but location can have size up to 6. As a result, it is necessary to check location against MAX_HPO_DP2_ENCODERS. Similiarly, disp_cfg_stream_location can be used as an array index which should be 0..5, so the ASSERT's conditions should be less without equal.

Details

CVSS Score
7.8
EPSS Score
0.19%

8.6th percentile

CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
Apr 1, 2025
Last Modified
Aug 5, 2026
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