SB20250502238 - Improper error handling in Linux kernel btrfs
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502238
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-2022-49898)
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_free_tree_block() 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/007058eb8292efc4c88f921752194b83269da085
- https://git.kernel.org/stable/c/52b2b65c9eb56fd829dda323786db828627ff7e6
- https://git.kernel.org/stable/c/968b71583130b6104c9f33ba60446d598e327a8b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.78
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1