#VU104575 NULL pointer dereference in Linux kernel - CVE-2022-49449
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104575
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-2022-49449
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 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.
External links
- 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