#VU120335 Memory leak in Linux kernel - CVE-2022-50720

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU120335

#VU120335 Memory leak in Linux kernel - CVE-2022-50720

Published: December 26, 2025 / Updated: December 31, 2025


Vulnerability identifier: #VU120335
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-2022-50720
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the EXPORT_SYMBOL_GPL(), setup_nox2apic(), early_param(), x2apic_disable() and check_x2apic() functions in arch/x86/kernel/apic/apic.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's repository.

External links