SB20251028108 - NULL pointer dereference in Linux kernel pinctrl driver
Published: October 28, 2025
Security Bulletin ID
SB20251028108
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2025-40030)
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 website.
References
- 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