CVE-2025-64435

KubeVirt VMI Denial-of-Service (DoS) Using Pod Impersonation

CVE-2025-64435 is fixed in 2 products on 1 platform, first by SUSE-SU-2026:0479-1, released February 12, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.3

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0041

35th percentile

This update for kubevirt, virt-api-container, virt-controller-container, virt-exportproxy-container, virt-exportserver-container, virt-handler-container, virt-launcher-container, virt-libguestfs-tools-container, virt-operator-container, virt-pr-helper-container, virt-synchronization-controller-container fixes the following issues: Update to version 1.7.0. (bsc#1257128) Release notes https://github.com/kubevirt/kubevirt/releases/tag/v1.7.0 - CVE-2025-64435: Fixes logic flaw in the virt-controller can lead to incorrect status updates and potentially causing a DoS (bsc#1253189 ) - CVE-2024-45310: Fixes kubevirt vendored github.com/opencontainers/runc/libcontainer/utils: runc can be tricked into creating empty files/directories on host bsc#1257422 - Upstream now uses stateless firmware for CoCo VMs.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
govulncheck-vulndb · opensuse-leap 16.0	0.0.20260723T184607-160000.1.1	OPENSUSE-SU-2026:21483-1	Jul 30, 2026
kubevirt · sles 15.7	1.7.0-150700.3.16.2	SUSE-SU-2026:0479-1	Feb 12, 2026

Details

Published
December 6, 2025
Weakness
Improper Check or Handling of Exceptional Conditions
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64435

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