Kubevirt: virt-handler-rhel9: kubevirt: virt-handler notify server trusts vmi identity from unauthenticated grpc request body
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions |
|---|---|---|---|
| Red Hat | Red Hat OpenShift Virtualization 4 | affected | — |
| Red Hat | Red Hat OpenShift Virtualization 4 | affected | — |
Configuration 1 [-]
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No data.
| Vendor | Product | Versions | ||||||||
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| Redhat | Openshift Virtualization |
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Vendor Workaround
Organizations can reduce exposure by: (1) restricting pods/exec permission on virt-launcher pods via admission policies (e.g., Gatekeeper or Kyverno rules denying exec on pods with the kubevirt.io launcher label), (2) using node affinity or dedicated node pools to isolate high-security tenant workloads from untrusted tenants, and (3) monitoring for unexpected VMI state transitions via cluster alerting.
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.126% probability within 30 days)
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ssvc
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| First Time appeared |
Redhat openshift Virtualization
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| Vendors & Products |
Redhat openshift Virtualization
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threat_severity
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threat_severity
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| Description | A flaw was found in KubeVirt's virt-handler domain notify server. The gRPC handlers for HandleDomainEvent and HandleK8SEvent derive the VMI identity (namespace/name) solely from the request body without validating it against the connection's origin. Each virt-launcher pod connects through a per-VMI pipe socket, but no identity tag is propagated from the pipe path to the server handlers. This allows a compromised virt-launcher process to send forged domain lifecycle events for any other VMI scheduled on the same node, causing virt-handler to erroneously update that VMI's state and disrupt its lifecycle management. | |
| Title | Kubevirt: virt-handler-rhel9: kubevirt: virt-handler notify server trusts vmi identity from unauthenticated grpc request body | |
| First Time appeared |
Redhat
Redhat container Native Virtualization |
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| Weaknesses | CWE-287 | |
| CPEs | cpe:/a:redhat:container_native_virtualization:4 | |
| Vendors & Products |
Redhat
Redhat container Native Virtualization |
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| References |
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| Metrics |
cvssV3_1
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