CVE-2022-0811
Published:March 16, 2022
Updated:April 21, 2026
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
github.com/cri-o/cri-o (GO):
Affected version(s) >=v1.20.0 <v1.20.7Fix Suggestion:
Update to version v1.20.7github.com/cri-o/cri-o (GO):
Affected version(s) >=v1.21.0 <v1.21.6Fix Suggestion:
Update to version v1.21.6github.com/cri-o/cri-o (GO):
Affected version(s) >=v1.23.0 <v1.23.2Fix Suggestion:
Update to version v1.23.2github.com/cri-o/cri-o (GO):
Affected version(s) >=v1.19.0 <v1.19.6Fix Suggestion:
Update to version v1.19.6github.com/cri-o/cri-o (GO):
Affected version(s) >=v1.22.0 <v1.22.3Fix Suggestion:
Update to version v1.22.3Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
9
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Weakness Type (CWE)
Improper Control of Generation of Code ('Code Injection')
EPSS
Base Score:
21.34
