SB2025091885 - Improper error handling in Linux kernel btrfs
Published: September 18, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091885
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 error handling (CVE-ID: CVE-2023-53339)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the btrfs_cancel_balance() function in fs/btrfs/volumes.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/29eefa6d0d07e185f7bfe9576f91e6dba98189c2
- https://git.kernel.org/stable/c/7c93b89cd46636b5e74c12fa21dd86167bc6ea8d
- https://git.kernel.org/stable/c/a0a462a0f20926918d6009f0b4b25673e883fc98
- https://git.kernel.org/stable/c/ae81329f7de3aa6f34ecdfa5412e72161a30e9ce
- https://git.kernel.org/stable/c/b966e9e1e250dfdb41a7f41775faea4a37af923c
- https://git.kernel.org/stable/c/bd7bef82ce0e929ef4cf63a34990545aaca28077
- https://git.kernel.org/stable/c/ceb9ba8e30833a4823e2dc73f80ebcdf2498d01a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.47