CVE-2026-53313

kernel: drm/amd/display: Avoid NULL dereference in dc_dmub_srv error paths

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · June 26, 2026

Updated · August 1, 2026

Description

A flaw was found in the Linux kernel's drm/amd/display module. This vulnerability allows for a denial of service (DoS) due to a NULL pointer dereference. Specifically, the dc_dmub_srv_log_diagnostic_data() and dc_dmub_srv_enable_dpia_trace() functions do not correctly handle a NULL dc_dmub_srv pointer before attempting to log an error, which can lead to a system crash.

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-476 · NULL Pointer Dereference