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

Fixes logic flaw in the virt-controller can lead to incorrect status updates and potentially causing a DoS (bsc#1253189 )

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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