#VU117740 NULL pointer dereference in Linux kernel - CVE-2025-40030
Published: October 28, 2025
Vulnerability identifier: #VU117740
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-2025-40030
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 pinmux_func_name_to_selector() function in drivers/pinctrl/pinmux.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/1a2ea887a5cd7d47bab599f733d89444df018b1a
- https://git.kernel.org/stable/c/4002ee98c022d671ecc1e4a84029e9ae7d8a5603
- https://git.kernel.org/stable/c/688c688e0bf55824f4a38f8c2180046f089a3e3b
- https://git.kernel.org/stable/c/b7e0535060a60cc99eafc19cc665d979714cd73a
- https://git.kernel.org/stable/c/ba7f7c2b2b3261e7def67018c38c69b626e0e66e
- https://git.kernel.org/stable/c/d77ef2f621cd1d605372c4c6ce667c496f6990c3