#VU52034 Infinite loop in Linux kernel - CVE-2020-27152

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Main Vulnerability Database Vulnerabilities #VU52034

#VU52034 Infinite loop in Linux kernel - CVE-2020-27152

Published: April 12, 2021


Vulnerability identifier: #VU52034
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-2020-27152
CWE-ID: CWE-835
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 infinite loop ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel. A local user can consume all available system resources and cause denial of service conditions.


Remediation

Install updates from vendor's website.

External links