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Solution
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Workaround
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Tue, 29 Sep 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in KubeVirt. An authenticated user with permission to create Virtual Machine Instances (VMIs) can cause a Denial of Service (DoS) by submitting a virtual machine definition with an empty ephemeral volume. The virt-controller component fails to properly validate the volume configuration, leading to an unhandled exception and application crash during processing. Because the malformed definition persists in the cluster, the controller enters a continuous crash loop, disrupting virtual machine lifecycle operations across the entire environment. | |
| Title | Kubevirt: kubevirt: virt-controller nil-pointer dereference via malformed ephemeral volume | |
| First Time appeared |
Redhat
Redhat container Native Virtualization |
|
| Weaknesses | CWE-476 | |
| CPEs | cpe:/a:redhat:container_native_virtualization:4 | |
| Vendors & Products |
Redhat
Redhat container Native Virtualization |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-09-29T17:06:07.937Z
Reserved: 2026-09-29T14:35:37.210Z
Link: CVE-2026-102623
No data.
Status : Received
Published: 2026-09-29T17:17:06.843
Modified: 2026-09-29T17:17:06.843
Link: CVE-2026-102623
No data.
OpenCVE Enrichment
No data.