#VU116309 Buffer overflow in Linux kernel - CVE-2023-53496
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116309
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-2023-53496
CWE-ID: CWE-119
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 memory corruption within the build_socket_tables() function in arch/x86/kernel/apic/x2apic_uv_x.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.