SB2024081996 - Improper locking in Linux kernel btrfs
Published: August 19, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024081996
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 locking (CVE-ID: CVE-2024-42266)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the cow_file_range_inline() and cow_file_range() functions in fs/btrfs/inode.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.