SB2024060391 - Improper locking in Linux kernel btrfs
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024060391
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-2024-26726)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the clear_extent_uptodate() function in fs/btrfs/inode.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/02f2b95b00bf57d20320ee168b30fb7f3db8e555
- https://git.kernel.org/stable/c/7bddf18f474f166c19f91b2baf67bf7c5eda03f7
- https://git.kernel.org/stable/c/a4b7741c8302e28073bfc6dd1c2e73598e5e535e
- https://git.kernel.org/stable/c/5571e41ec6e56e35f34ae9f5b3a335ef510e0ade
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.79
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8