CVE-2023-3220

kernel: NULL pointer dereference in dpu_crtc_atomic_check() in drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c

Loading…

Severity

Low

Red Hat Product Security

4.7

CVSS 3.1

Review impact separately from score.

Published · June 20, 2023

Updated · November 21, 2025

Description

A NULL pointer dereference flaw was found in the Linux kernel's drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c code in the dpu_crtc_atomic_check function, which fails because it lacks a check of the return value of kzalloc(). This issue could allow a local user to crash the system.

Statement

The related Kernel config param CONFIG_DRM_MSM enabled for Fedora only, so all versions of the Red Hat Enterprise Linux not affected.

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 · 4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference