#VU117405 NULL pointer dereference in Linux kernel - CVE-2025-40010
Published: October 21, 2025
Vulnerability identifier: #VU117405
Vulnerability risk: Low
CVSSv4.0: 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-2025-40010
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
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 afs_use_server() function in fs/afs/server.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/41782c44bb8431c43043129ae42f2ba614938479
- https://git.kernel.org/stable/c/7b8381f3c405b864a814d747e526e078c3ef4bc2
- https://git.kernel.org/stable/c/9158c6bb245113d4966df9b2ba602197a379412e
- https://git.kernel.org/stable/c/a13dbc5e20c7284b82afe6f08debdecf51d2ca04
- https://git.kernel.org/stable/c/cab278cead49a547ac84c3e185f446f381303eae