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CVE-2025-64435— KubeVirt VMI Denial-of-Service (DoS) Using Pod Impersonation

Quick assessment

Affected
kubevirt kubevirt
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Kubevirt是KubeVirt开源的一款虚拟机管理器。 Kubevirt 1.7.0-beta.0之前版本存在安全漏洞，该漏洞源于virt-controller存在逻辑缺陷，可能导致拒绝服务攻击。

CVSS 5.3 · Medium EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2025-64435

Vulnerability Information
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Vulnerability Title
KubeVirt VMI Denial-of-Service (DoS) Using Pod Impersonation
Source: CVE Program / CVE List V5
Vulnerability Description
KubeVirt is a virtual machine management add-on for Kubernetes. Prior to 1.7.0-beta.0, a logic flaw in the virt-controller allows an attacker to disrupt the control over a running VMI by creating a pod with the same labels as the legitimate virt-launcher pod associated with the VMI. This can mislead the virt-controller into associating the fake pod with the VMI, resulting in incorrect status updates and potentially causing a DoS (Denial-of-Service). This vulnerability is fixed in 1.7.0-beta.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对异常条件检查或处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Kubevirt 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kubevirt是KubeVirt开源的一款虚拟机管理器。 Kubevirt 1.7.0-beta.0之前版本存在安全漏洞，该漏洞源于virt-controller存在逻辑缺陷，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
kubevirt kubevirt < 1.7.0-beta.0 -

II. Public POCs for CVE-2025-64435

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III. Intelligence Information for CVE-2025-64435

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Vendor Advisories for CVE-2025-64435 (1)

Same Patch Batch · kubevirt · 2025-11-07 · 6 CVEs total

CVE-2025-64433 6.5 MEDIUM KubeVirt Arbitrary Container File Read
CVE-2025-64437 5.0 MEDIUM KubeVirt Isolation Detection Flaw Allows Arbitrary File Permission Changes
CVE-2025-64432 4.7 MEDIUM KubeVirt Affected by an Authentication Bypass in Kubernetes Aggregation Layer
CVE-2025-64434 4.7 MEDIUM KubeVirt Improper TLS Certificate Management Handling Allows API Identity Spoofing
CVE-2025-64436 KubeVirt Excessive Role Permissions Could Enable Unauthorized VMI Migrations Between Nodes

IV. Related Vulnerabilities

Same product: kubevirt
Same vendor: kubevirt
Same weakness: CWE-703

V. Comments for CVE-2025-64435

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