#VU119745 Improper locking in Linux kernel - CVE-2023-53841
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119745
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-2023-53841
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 devlink_notify_unregister() function in net/devlink/leftover.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/21b9e0efb38eac1fe7bed369e96980cad45aa9c7
- https://git.kernel.org/stable/c/2864cc9a1fd13666ed7fd9064dc3f2c51a85de32
- https://git.kernel.org/stable/c/408d40c729cbe3a918a381405df769491a472122
- https://git.kernel.org/stable/c/7552020e3aa8283b215ca6b3840e6f9281ee4664
- https://git.kernel.org/stable/c/970c7035f4b03c7be9f49c403ccf6fb0b70039a1
- https://git.kernel.org/stable/c/a52305a81d6bb74b90b400dfa56455d37872fe4b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.188
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.150
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.251
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.42
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5