#VU106679 NULL pointer dereference in Linux kernel - CVE-2025-21982
Published: April 2, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106679
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-2025-21982
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 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.
External links
- 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