SB20250226590 - Improper error handling in Linux kernel btrfs
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226590
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-2022-49167)
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_submit_data_bio() and bio_endio() functions in fs/btrfs/inode.c, within the btrfs_submit_compressed_read() and kfree() functions in fs/btrfs/compression.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/4a4ceb2b990771c374d85d496a1a45255dde48e3
- https://git.kernel.org/stable/c/987b5df1d10355d377315a26e7fb6c72ded83c9f
- https://git.kernel.org/stable/c/f9f15de85d74e7eef021af059ca53a15f041cdd8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18