#VU120817 Improper locking in Linux kernel - CVE-2023-54180
Published: December 30, 2025 / Updated: December 30, 2025
Vulnerability identifier: #VU120817
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-54180
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the repair_io_failure() function in fs/btrfs/extent_io.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/53e9d6851b56626885476a2966194ba994f8bb4b
- https://git.kernel.org/stable/c/a7018b40b49c37fb55736499f790ec0d2b381ae4
- https://git.kernel.org/stable/c/d73a27b86fc722c28a26ec64002e3a7dc86d1c07
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2