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Vulnerability record · CVE-2022-0811 · published 16 March 2022

CVE-2022-0811: Kubernetes cri-o code injection vulnerability

Kubernetes · Cri O

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.

8.8 CVSS 3.1 High EPSS 19% · top 2.8% CWE-94 · Code injection
8.8CVSS 3.1 base score, v2 9.0
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=2059475 Issue TrackingThird Party Advisory
https://github.com/cri-o/cri-o/security/advisories/GHSA-6x2m-w449-qwx7 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2059475 Issue TrackingThird Party Advisory
https://github.com/cri-o/cri-o/security/advisories/GHSA-6x2m-w449-qwx7 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2018-1000400Kubernetes cri-o improper privilege management vulnerabilityKubernetes CRI-O version prior to 1.9 contains a Privilege Context Switching Error (CWE-270) vulnerability in the handling of ambient capabilities th…EPSS 2.0%8.1CVE-2024-5154Kubernetes cri-o path traversal vulnerabilityA flaw was found in cri-o. A malicious container can create a symbolic link to arbitrary files on the host via directory traversal (“../“). This flaw…EPSS 1.2%7.8CVE-2022-4318Kubernetes cri-o improper control of dynamically-managed code vulnerabilityA vulnerability was found in cri-o. This issue allows the addition of arbitrary lines into /etc/passwd by use of a specially crafted environment vari…EPSS 0.29%7.5CVE-2022-1708Kubernetes cri-o uncontrolled resource consumption vulnerabilityA vulnerability was found in CRI-O that causes memory or disk space exhaustion on the node for anyone with access to the Kube API. The ExecSync reque…EPSS 3.1%7.1CVE-2022-2995Kubernetes cri-o improper access control vulnerabilityIncorrect handling of the supplementary groups in the CRI-O container engine might lead to sensitive information disclosure or possible data modifica…EPSS 0.39%5.3CVE-2022-3466Kubernetes cri-o incorrect default permissions vulnerabilityThe version of cri-o as released for Red Hat OpenShift Container Platform 4.9.48, 4.10.31, and 4.11.6 via RHBA-2022:6316, RHBA-2022:6257, and RHBA-20…EPSS 0.21%5.3CVE-2022-27652Kubernetes cri-o incorrect default permissions vulnerabilityA flaw was found in cri-o, where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker En…EPSS 0.25%5.0CVE-2019-14891Kubernetes cri-o vulnerabilityA flaw was found in cri-o, as a result of all pod-related processes being placed in the same memory cgroup. This can result in container management (…EPSS 0.80%

Source: NIST National Vulnerability Database (record CVE-2022-0811), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.