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CVE-2025-14525— Kubevirt: kubevirt: vm administration denial of service via guest agent

Quick assessment

Affected
Red Hat Red Hat OpenShift Virtualization 4
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存在安全漏洞，该漏洞源于虚拟机用户可导致代理报告过多网络接口，可能阻塞虚拟机配置更新，导致管理操作被拒绝服务。

CVSS 6.4 · Medium EPSS 0.29% · P19
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I. Basic Information for CVE-2025-14525

Vulnerability Information
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Vulnerability Title
Kubevirt: kubevirt: vm administration denial of service via guest agent
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in kubevirt. A user within a virtual machine (VM), if the guest agent is active, can exploit this by causing the agent to report an excessive number of network interfaces. This action can overwhelm the system's ability to store VM configuration updates, effectively blocking changes to the Virtual Machine Instance (VMI). This allows the VM user to restrict the VM administrator's ability to manage the VM, leading to a denial of service for administrative operations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
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存在安全漏洞，该漏洞源于虚拟机用户可导致代理报告过多网络接口，可能阻塞虚拟机配置更新，导致管理操作被拒绝服务。
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
Red Hat Red Hat OpenShift Virtualization 4 - cpe:/a:redhat:container_native_virtualization:4

II. Public POCs for CVE-2025-14525

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III. Intelligence Information for CVE-2025-14525

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Same Patch Batch · Red Hat · 2026-01-26 · 5 CVEs total

CVE-2025-14459 8.5 HIGH Virt-cdi-controller: unauthorized pvc cloning via dataimportcron
CVE-2025-14969 4.3 MEDIUM Hibernate-reactive-core: hibernate reactive: denial of service due to connection leak on h
CVE-2026-1190 3.1 LOW Org.keycloak/keycloak-services: keycloak saml brokering: response delay due to unchecked n
CVE-2025-9615 Networkmanager: networkmanager file access

IV. Related Vulnerabilities

Same product: Red Hat OpenShift Virtualization 4
Same vendor: Red Hat
Same weakness: CWE-770

V. Comments for CVE-2025-14525

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