SB20251230260 - Improper locking in Linux kernel btrfs
Published: December 30, 2025 Updated: December 30, 2025
Security Bulletin ID
SB20251230260
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-2023-54224)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __btrfs_run_delayed_items() function in fs/btrfs/delayed-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/126d5a99e583e2d387ee4ea7b796c8fec4483244
- https://git.kernel.org/stable/c/32247b9526bfdaeef85f7339d9b4f913c7370f92
- https://git.kernel.org/stable/c/36d918da3f1bf749178c7daf471a3be1730ed3ca
- https://git.kernel.org/stable/c/3d379dd109f80c8f3b9aaa2d15681b37803aa4c0
- https://git.kernel.org/stable/c/50abe4b37f58a25214b732212926d35e6fabd6c3
- https://git.kernel.org/stable/c/779c3cf2749c7a7bad6f839cb2954a25ba92f4d6
- https://git.kernel.org/stable/c/a70c6e57316b677c83e0e53569c555057b5813c4
- https://git.kernel.org/stable/c/e110f8911ddb93e6f55da14ccbbe705397b30d0b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.326
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.295
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.197
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.133
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.257
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.55
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6