#VU116830 Input validation error in Linux kernel - CVE-2023-53656
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116830
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-2023-53656
CWE-ID: CWE-20
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 input validation within the hisi_pcie_pmu_offline_cpu() function in drivers/perf/hisilicon/hisi_pcie_pmu.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/7a6a9f1c5a0a875a421db798d4b2ee022dc1ee1a
- https://git.kernel.org/stable/c/b64569897d86b611befbb895d815280fea94e1ed
- https://git.kernel.org/stable/c/be9c8c9c84b6d25a7b7d39954030aba6f759feb6
- https://git.kernel.org/stable/c/f564e543a43d0f1cabac791672c8a6fc78ce12d0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.13