CVE-2024-31420 MEDIUM

CVE-2024-31420: Cnv: dos through repeatedly calling vm-dump-metrics until virt handler crashes

Vendor Red Hat
Product Red Hat OpenShift Virtualization 4
Weakness CWE-476
Published April 3, 2024
Last update November 20, 2025
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

A NULL pointer dereference flaw was found in KubeVirt. This flaw allows an attacker who has access to a virtual machine guest on a node with DownwardMetrics enabled to cause a denial of service by issuing a high number of calls to vm-dump-metrics --virtio and then deleting the virtual machine.

Key dates

02Disclosure timeline

April 3, 2024 CVE published
November 20, 2025 Record updated