#VU120805 Improper locking in Linux kernel - CVE-2023-54311
Published: December 30, 2025 / Updated: December 30, 2025
Vulnerability identifier: #VU120805
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-2023-54311
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 ext4_finish_convert_inline_dir() and ext4_convert_inline_data_nolock() functions in fs/ext4/inline.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/0b1c4357bb21d9770451a1bdb8d419ea10bada88
- https://git.kernel.org/stable/c/5f8b55136ad787aed2c184f7cb3e93772ae637a3
- https://git.kernel.org/stable/c/640c8c365999c6f23447ac766437236ad88317c5
- https://git.kernel.org/stable/c/665cc3ba50330049524c1d275bc840a8f28dde73
- https://git.kernel.org/stable/c/804de0c72cd473e186ca4e1f6287d45431b14e5a
- https://git.kernel.org/stable/c/b4fa4768c9acff77245d672d855d2c88294850b1
- https://git.kernel.org/stable/c/f4ce24f54d9cca4f09a395f3eecce20d6bec4663
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.180
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.112
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.243
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.29
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4