SB2024060383 - Improper locking in Linux kernel btrfs
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024060383
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-2024-26794)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the emit_fiemap_extent() function 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/d43f8e58f10a44df8c08e7f7076f3288352cd168
- https://git.kernel.org/stable/c/31d07a757c6d3430e03cc22799921569999b9a12
- https://git.kernel.org/stable/c/a1a4a9ca77f143c00fce69c1239887ff8b813bec
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8