SB2024082667 - Improper locking in Linux kernel btrfs
Published: August 26, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082667
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-2024-43885)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the btrfs_release_log_ctx_extents() function in fs/btrfs/file.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/1a607d22dea4f60438747705495ec4d0af2ec451
- https://git.kernel.org/stable/c/8bd4c9220416111500c275546c69c63d42185793
- https://git.kernel.org/stable/c/7ba27f14161fc20c4fc0051658a22ddd832eb0aa
- https://git.kernel.org/stable/c/d924a0be2f218501588cf463d70f1c71afea06d9
- https://git.kernel.org/stable/c/e0391e92f9ab4fb3dbdeb139c967dcfa7ac4b115
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.165
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.105
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.46