NULL pointer dereference in Linux kernel - CVE-2025-21941
Published: April 2, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106704
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-2025-21941
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
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 resource_build_scaling_params() function in drivers/gpu/drm/amd/display/dc/core/dc_resource.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2025-21941
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/3748fad09d89e9a5290e1738fd6872a79f794743
- https://git.kernel.org/stable/c/374c9faac5a763a05bc3f68ad9f73dab3c6aec90
- https://git.kernel.org/stable/c/3b3c2be58d5275aa59d8b4810a59f173f2f5bac1
- https://git.kernel.org/stable/c/c1e54752dc12e90305eb0475ca908f42f5b369ca
- https://git.kernel.org/stable/c/e0345c3478f185ca840daac7f08a1fcd4ebec3e9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.19