#VU120804 Improper locking in Linux kernel - CVE-2023-54316
Published: December 30, 2025 / Updated: December 30, 2025
Vulnerability identifier: #VU120804
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-2023-54316
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 ref_scale_init() function in kernel/rcu/refscale.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/066fbd8bc981cf49923bf828b7b4092894df577f
- https://git.kernel.org/stable/c/70a2856fd1d0a040c876ba9e3f89b949ae92e4dd
- https://git.kernel.org/stable/c/e0322a255a2242dbe4686b6176b3c83dea490529
- https://git.kernel.org/stable/c/e5de968a9032366198720eac4f368ed7e690b3ef
- https://git.kernel.org/stable/c/ec9d118ad99dc6f1bc674c1e649c25533d89b9ba
- https://git.kernel.org/stable/c/f5063e8948dad7f31adb007284a5d5038ae31bb8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.195
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.132
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.53
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6