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CVE-2026-43320

kernel: drm/amd/display: Fix dsc eDP issue

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 8, 2026

Updated · October 30, 2026

Description

A flaw was found in the drm/amd/display component of the Linux kernel. A missing function hook check could lead to an unspecified dsc eDP issue. The precise impact of this vulnerability is not fully detailed, but it suggests a potential for system instability or unexpected behavior within the display functionality.

Statement

This vulnerability is rated as having a Low impact because exploitation requires local access and is constrained to systems equipped with specific AMD display hardware utilizing embedded DisplayPort (eDP) configurations. In typical enterprise server environments, graphical display adapters and internal panels are rarely present or active, significantly limiting real-world exposure. An unprivileged local user could potentially trigger a kernel crash, resulting in a denial of service without compromising system confidentiality or integrity.

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-252 · Unchecked Return Value