SB2025022790 - NULL pointer dereference in Linux kernel gpio driver
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022790
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-2025-21783)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the gpiochip_get_ngpios() function in drivers/gpio/gpiolib.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/189fb76215e479c10731baabb50f1a352d2078f5
- https://git.kernel.org/stable/c/4d9b2b62e1136d10f661ec4c0c268140b6f74f4f
- https://git.kernel.org/stable/c/7b4aebeecbbd5b5fe73e35fad3f62ed21aa7ef44
- https://git.kernel.org/stable/c/a7052afa9eae2239e25943baa8817a6a56e8aa68
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.16