#VU115938 Improper error handling in Linux kernel - CVE-2023-53438
Published: September 19, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115938
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-2023-53438
CWE-ID: CWE-388
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 error handling within the arch/x86/kernel/cpu/mce/internal.h. 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/2e01bdf7203c383e9d8489d9f963c52d6c81e4db
- https://git.kernel.org/stable/c/4240e2ebe67941ce2c4f5c866c3af4b5ac7a0c67
- https://git.kernel.org/stable/c/6eac3965901489ae114a664a78cd2d1415d1af5c
- https://git.kernel.org/stable/c/e6e6a5f50f58fadec397b23064b7e4830292863d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.53