SB20240717105 - Resource management error in Linux kernel btrfs
Published: July 17, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240717105
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-2022-48833)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the free_log_tree() function in fs/btrfs/tree-log.c, within the btrfs_put_block_group() and btrfs_free_block_groups() functions in fs/btrfs/block-group.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/4c5d94990fa2fd609360ecd0f7e183212a7d115c
- https://git.kernel.org/stable/c/44557a8f539a822c91238c1f95a95f98a5093d82
- https://git.kernel.org/stable/c/40cdc509877bacb438213b83c7541c5e24a1d9ec
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.31
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17