NULL pointer dereference in Linux kernel - CVE-2025-40073

 

NULL pointer dereference in Linux kernel - CVE-2025-40073

Published: October 28, 2025


Vulnerability identifier: #VU117728
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-40073
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the dpu_plane_is_multirect_capable() and dpu_plane_try_multirect_shared() functions in drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c. A local user can perform a denial of service (DoS) attack.


How to mitigate CVE-2025-40073

Install update from vendor's repository.

Sources