Denial of service in Red Hat OpenShift Virtualization

Published: 2022-05-23 | Updated: 2022-06-01
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-21698
Exploitation vector Network
Public exploit N/A
Vulnerable software
kubevirt (Red Hat package)
Operating systems & Components / Operating system package or component

OpenShift Virtualization
Server applications / Virtualization software

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU61599

Risk: Medium


CVE-ID: CVE-2022-21698

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within method label cardinality. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Install updates from vendor's website.

Vulnerable software versions

kubevirt (Red Hat package): 4.8.3-251.el7 - 4.8.5-278.el8

OpenShift Virtualization: 4.10.0

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?