Vulnerability · Published Mar 16, 2022 · Assigned by redhat

CVE-2022-0811

High 8.8

In plain English

A high-severity code injection in CRI-O. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 19.0% (higher than 97% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)19.0%top 2.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.21cri-o1.23.2-r0ALPINE-CVE-2022-0811
Alpine:v3.22cri-o1.23.2-r0ALPINE-CVE-2022-0811
Alpine:v3.23cri-o1.23.2-r0ALPINE-CVE-2022-0811
Alpine:v3.24cri-o1.23.2-r0ALPINE-CVE-2022-0811
Gogithub.com/cri-o/cri-o1.19.6GHSA-6x2m-w449-qwx7
Gogithub.com/cri-o/cri-o1.20.7GHSA-6x2m-w449-qwx7
Gogithub.com/cri-o/cri-o1.21.6GHSA-6x2m-w449-qwx7
Gogithub.com/cri-o/cri-o1.22.3GHSA-6x2m-w449-qwx7
Gogithub.com/cri-o/cri-o1.23.2GHSA-6x2m-w449-qwx7
Gogithub.com/cri-o/cri-o1.19.6, 1.20.7, 1.21.6, 1.22.3, 1.23.2GO-2022-0354

Affected products (as reported)

VendorProductVersions
n/a CRI-O cri-o 1.24.0, cri-o 1.23.2, cri-o 1.22.3, cri-o 1.21.6, cri-o 1.20.7, cri-o 1.19.6

Weakness: CWE-94

References