SB20251226254 - Improper locking in Linux kernel btrfs
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226254
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-2023-54032)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the btrfs_quota_disable() function in fs/btrfs/qgroup.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/365f318da7384cbac5de6b9c098914888a4d63e7
- https://git.kernel.org/stable/c/679c34821ab7cd93c8ccb96fbf57fc44848a78bc
- https://git.kernel.org/stable/c/6819bb0b8552dcc5f82ca606c8911b8c67e0628f
- https://git.kernel.org/stable/c/6da229754099518cfa27cbfcd0fd042618785fad
- https://git.kernel.org/stable/c/7ba0da31dd4a8fd24d416016c538a95a5664ff02
- https://git.kernel.org/stable/c/a53d78d9a8551e72c46ded23e8b0a56e55d32032
- https://git.kernel.org/stable/c/a5cdc4012efa808e07d073c11dc2f366b5394ad3
- https://git.kernel.org/stable/c/b31cb5a6eb7a48b0a7bfdf06832b1fd5088d8c79
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.322
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.291
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.188
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.121
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.251
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.39
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5