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.
Published: 2022-03-29
CrowdStrike discloses container escape vulnerability affecting CRI-O for Kubernetes. Here’s how Tenable.cs can help you detect vulnerable pods.
https://bugzilla.redhat.com/show_bug.cgi?id=2059475
https://github.com/cri-o/cri-o/security/advisories/GHSA-6x2m-w449-qwx7