SB20240608155 - Improper locking in Linux kernel f2fs
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608155
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-2023-52770)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __set_extent_info() and __may_extent_tree() functions in fs/f2fs/extent_cache.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/9de787139b0258a5dd1f498780c26d76b61d2958
- https://git.kernel.org/stable/c/d83309e7e006cee8afca83523559017c824fbf7a
- https://git.kernel.org/stable/c/f803982190f0265fd36cf84670aa6daefc2b0768
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7