SB20250227120 - Improper locking in Linux kernel btrfs
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250227120
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-2024-57975)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the can_nocow_file_extent() and run_delalloc_nocow() functions in fs/btrfs/inode.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/2434533f1c963e7317c45880c98287e5bed98325
- https://git.kernel.org/stable/c/5ae72abbf91eb172ce3a838a4dc34be3c9707296
- https://git.kernel.org/stable/c/c2b47df81c8e20a8e8cd94f0d7df211137ae94ed
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14