CVE-2022-0811

high

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2059475

https://github.com/cri-o/cri-o/security/advisories/GHSA-6x2m-w449-qwx7

Details

Source: MITRE

Published: 2022-03-16

Updated: 2022-03-28

Type: CWE-94

Risk Information

CVSS v2

Base Score: 9

Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 8

Severity: HIGH

CVSS v3

Base Score: 8.8

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

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH