Improper locking in Linux kernel - CVE-2023-53214
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115469
CSH Severity: Low
CVSS v4.0: 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-2023-53214
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __update_iostat_latency() function in fs/f2fs/iostat.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-53214
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0dbbf0fb38d5ec5d4138d1aeaeb43d9217b9a592
- https://git.kernel.org/stable/c/20b4f3de0f3932f71b4a8daf0671e517a8d98022
- https://git.kernel.org/stable/c/22ddbbff116ee7dce5431feb1c0f36a507d2d68d
- https://git.kernel.org/stable/c/aa4d726af72a21732ce120484e0b1240674a13b3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.100