SB20250226544 - Improper locking in Linux kernel f2fs
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226544
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) Improper locking (CVE-ID: CVE-2022-49169)
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.
References
- 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