#VU116284 Incorrect calculation in Linux kernel - CVE-2023-53484
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116284
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-2023-53484
CWE-ID: CWE-682
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 incorrect calculation within the free_irq_cpu_rmap(), irq_cpu_rmap_release() and irq_cpu_rmap_add() functions in lib/cpu_rmap.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/4e0473f1060aa49621d40a113afde24818101d37
- https://git.kernel.org/stable/c/67bca5f1d644f4e79b694abd8052a177de81c37f
- https://git.kernel.org/stable/c/981f339d2905b6a92ef59358158b326493aecac5
- https://git.kernel.org/stable/c/c6ed54dd90698dc0744d669524cc1c122ded8a16
- https://git.kernel.org/stable/c/c9115f49cf260d24d8b5f2d9a4b63cb31a627bb4
- https://git.kernel.org/stable/c/cc2d2b3dbfb0ba57bc027fb7e1121250c50e4000
- https://git.kernel.org/stable/c/d1308bd0b24cb1d78fa2747d5fa3e055cc628a48
- https://git.kernel.org/stable/c/f748e15253833b771acbede14ea98f50831ac289
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.181