SB20251008127 - Resource management error in Linux kernel btrfs
Published: October 8, 2025 Updated: October 26, 2025
Security Bulletin ID
SB20251008127
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) Resource management error (CVE-ID: CVE-2023-53672)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the lookup_inline_extent_backref() function in fs/btrfs/extent-tree.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/28062cd6eda04035d8f6ded2001292ac8b496149
- https://git.kernel.org/stable/c/376b41524b71e494514720bd6114325b0a2ed19c
- https://git.kernel.org/stable/c/400e08a16604b534fdd82c5a288fa150d04f5f79
- https://git.kernel.org/stable/c/6994f806c6d1ae8b59344d3700358547f3b3fe1d
- https://git.kernel.org/stable/c/7afbfde45d665953b4d5a42a721e15bf0315d89b
- https://git.kernel.org/stable/c/7f72f50547b7af4ddf985b07fc56600a4deba281
- https://git.kernel.org/stable/c/b7c3cf2f6c42e6688b1c37215a0b1663f982f915
- https://git.kernel.org/stable/c/e70ba449b04b40584bdabb383d10455397cbf177
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.5