#VU115692 Improper locking in Linux kernel - CVE-2023-53323
Published: September 17, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115692
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-2023-53323
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 ext2_setsize() function in fs/ext2/inode.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/5cee8bfb8cbd99c97aff85d2bf066b6a496e13ab
- https://git.kernel.org/stable/c/9e54fd14bd143c261e52fde74355e85e9526c58c
- https://git.kernel.org/stable/c/fcced95b6ba2a507a83b8b3e0358a8ac16b13e35
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.40
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5