SB2024060357 - Improper locking in Linux kernel btrfs
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024060357
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-2024-35784)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the fiemap_process_hole(), extent_fiemap(), btrfs_free_path() and emit_last_fiemap_cache() functions in fs/btrfs/extent_io.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/ded566b4637f1b6b4c9ba74e7d0b8493e93f19cf
- https://git.kernel.org/stable/c/89bca7fe6382d61e88c67a0b0e7bce315986fb8b
- https://git.kernel.org/stable/c/b0ad381fa7690244802aed119b478b4bdafc31dd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8