SB2025040261 - NULL pointer dereference in Linux kernel pinctrl nuvoton driver
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025040261
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-2025-21982)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the npcm8xx_gpio_fw() function in drivers/pinctrl/nuvoton/pinctrl-npcm8xx.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/6a08a86e5aff8e65368ccd463348fdda26100821
- https://git.kernel.org/stable/c/a585f6ea42ec259a9a57e3e2580fa527c92187d0
- https://git.kernel.org/stable/c/acf40ab42799e4ae1397ee6f5c5941092d66f999
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.20
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14