#VU68515 Incomplete cleanup in Linux kernel - CVE-2022-0171

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Main Vulnerability Database Vulnerabilities #VU68515

#VU68515 Incomplete cleanup in Linux kernel - CVE-2022-0171

Published: October 19, 2022


Vulnerability identifier: #VU68515
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-2022-0171
CWE-ID: CWE-459
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 incomplete cleanup in KVM SEV API. A local non-root (host) user-level application can crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization (SEV).


Remediation

Install updates from vendor's website.

External links