#VU104702 Improper locking in Linux kernel - CVE-2022-49092
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104702
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-2022-49092
CWE-ID: CWE-667
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 improper locking within the fib_nh_match() function in net/ipv4/fib_semantics.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/63ea57478aaa3e06a597081a0f537318fc04e49f
- https://git.kernel.org/stable/c/6bf92d70e690b7ff12b24f4bfff5e5434d019b82
- https://git.kernel.org/stable/c/907c97986d6fa77318d17659dd76c94b65dd27c5
- https://git.kernel.org/stable/c/dcd689f9e2640c992f94eae9955b106f71c6825d
- https://git.kernel.org/stable/c/f5064531c23ad646da7be8b938292b00a7e61438
- https://git.kernel.org/stable/c/f8db5743d09523c0bb35f16e13691e3b7eb5dba0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3