SB20250226393 - NULL pointer dereference in Linux kernel pinctrl renesas driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226393
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-2022-49449)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the rzn1_pinctrl_probe() function in drivers/pinctrl/renesas/pinctrl-rzn1.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/01f9e02e0f13df3fd291676dc80054e977be1601
- https://git.kernel.org/stable/c/2f661477c2bb8068194dbba9738d05219f111c6e
- https://git.kernel.org/stable/c/34c719b8fdfbd0c7c54cae56e6b0f16e9f8bf03e
- https://git.kernel.org/stable/c/b646e0cfeb38bf5f1944fd548f1dfa9b129fa00c
- https://git.kernel.org/stable/c/c16b59d445135c8026a04e388d8b2762feaa3b3b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.46