CVE-2025-38091

kernel: Linux kernel AMD display driver: Denial of Service via incorrect DML21 plane_id query

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 2, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel's AMD display (amdgpu) driver. A local user could exploit a lack of correct checks when querying the plane_id in the Display Management Layer 2.1 (DML21) component. This issue can trigger a false positive warning during a mode reset operation, potentially leading to a denial of service (DoS) by causing the graphics processing unit (GPU) to recover and temporarily impacting system availability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-358 · Improperly Implemented Security Check for Standard