#VU104711 Improper locking in Linux kernel - CVE-2022-49169
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104711
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-2022-49169
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 LIST_HEAD(), stat_show() and f2fs_build_stats() functions in fs/f2fs/debug.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/2eff60346e7ae1a24cd868b8fdcf58e946e7dde1
- https://git.kernel.org/stable/c/738886004bd2885ac2db0bc63b4874aa471ca87e
- https://git.kernel.org/stable/c/98237fcda4a24e67b0a4498c17d5aa4ad4537bc7
- https://git.kernel.org/stable/c/ec4187d45cc1c2d69fffeee5fa6aa4cb62477cfb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2