SB20240608234 - Improper locking in Linux kernel btrfs
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608234
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-2024-26644)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the create_snapshot() function in fs/btrfs/ioctl.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/2bdf872bcfe629a6202ffd6641615a8ed00e8464
- https://git.kernel.org/stable/c/0877497dc97834728e1b528ddf1e1c484292c29c
- https://git.kernel.org/stable/c/6e6bca99e8d88d989a7cde4c064abea552d5219b
- https://git.kernel.org/stable/c/ec794a7528199e1be6d47bec03f4755aa75df256
- https://git.kernel.org/stable/c/d8680b722f0ff6d7a01ddacc1844e0d52354d6ff
- https://git.kernel.org/stable/c/7081929ab2572920e94d70be3d332e5c9f97095a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.210
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.149
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.76
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8