SB2024061336 - Improper locking in Linux kernel btrfs
Published: June 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024061336
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-2022-48664)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the close_ctree() function in fs/btrfs/disk-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/6ac5b52e3f352f9cb270c89e6e1d4dadb564ddb8
- https://git.kernel.org/stable/c/d8a76a2e514fbbb315a6dfff2d342de2de833994
- https://git.kernel.org/stable/c/c338bea1fec5504290dc0acf026c9e7dba25004b
- https://git.kernel.org/stable/c/a362bb864b8db4861977d00bd2c3222503ccc34b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.147
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.71
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0