A flaw was found in CRI-O in the way it set kernel options for a pod. This issue allows anyone with rights to deploy a pod on a Kubernetes cluster that uses the CRI-O runtime to achieve a container escape and arbitrary code execution as root on the cluster node, where the malicious pod was deployed.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade cri-o | Aug 8, 2025 | Mar 16, 2022 |
| Oracle_linux | — | Upgrade cri-o | Mar 18, 2022 | Mar 16, 2022 |
| Redhat Openshift | — | Upgrade cri-o | Mar 17, 2022 | Mar 17, 2022 |
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