CVE-2022-0811
Last modified
CVE-2022-0811 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 18.56% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Kubernetes | Cri-O | >= 1.19.0, < 1.19.6 |
| Kubernetes | Cri-O | >= 1.20.0, < 1.20.7 |
| Kubernetes | Cri-O | >= 1.21.0, < 1.21.6 |
| Kubernetes | Cri-O | >= 1.22.0, < 1.22.3 |
| Kubernetes | Cri-O | >= 1.23.0, < 1.23.2 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2059475Issue Tracking, Third Party Advisory
- https://github.com/cri-o/cri-o/security/advisories/GHSA-6x2m-w449-qwx7Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2059475Issue Tracking, Third Party Advisory
- https://github.com/cri-o/cri-o/security/advisories/GHSA-6x2m-w449-qwx7Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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