CVE-2022-0811

CRI-O: Arbitrary code execution in cri-o via abusing “kernel.core_pattern” kernel parameter

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se ha encontrado un fallo en CRI-O en la forma de establecer las opciones del kernel para un pod. Este problema permite a cualquier persona con derechos desplegar un pod en un clúster Kubernetes que usa el tiempo de ejecución de CRI-O para lograr un escape del contenedor y la ejecución de código arbitrario como root en el nodo del clúster, donde fue desplegado el pod malicioso

Red Hat Advanced Cluster Management for Kubernetes 2.4.3 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which provide some security fixes and bug fixes. Issues addressed include an information leakage vulnerability.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-03-01 CVE Reserved
2022-03-16 CVE Published
2024-08-02 CVE Updated
2024-08-12 First Exploit
2025-05-15 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-94: Improper Control of Generation of Code ('Code Injection')

CAPEC

References (4)

URL	Tag	Source
https://github.com/cri-o/cri-o/security/advisories/GHSA-6x2m-w449-qwx7	Third Party Advisory

URL	Date	SRC
https://github.com/spiarh/webhook-cve-2022-0811	2024-08-12

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=2059475	2022-03-22
https://access.redhat.com/security/cve/CVE-2022-0811	2022-03-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Kubernetes Search vendor "Kubernetes"		Cri-o Search vendor "Kubernetes" for product "Cri-o"				>= 1.19.0 < 1.19.6 Search vendor "Kubernetes" for product "Cri-o" and version " >= 1.19.0 < 1.19.6"		-		Affected
Kubernetes Search vendor "Kubernetes"		Cri-o Search vendor "Kubernetes" for product "Cri-o"				>= 1.20.0 < 1.20.7 Search vendor "Kubernetes" for product "Cri-o" and version " >= 1.20.0 < 1.20.7"		-		Affected
Kubernetes Search vendor "Kubernetes"		Cri-o Search vendor "Kubernetes" for product "Cri-o"				>= 1.21.0 < 1.21.6 Search vendor "Kubernetes" for product "Cri-o" and version " >= 1.21.0 < 1.21.6"		-		Affected
Kubernetes Search vendor "Kubernetes"		Cri-o Search vendor "Kubernetes" for product "Cri-o"				>= 1.22.0 < 1.22.3 Search vendor "Kubernetes" for product "Cri-o" and version " >= 1.22.0 < 1.22.3"		-		Affected
Kubernetes Search vendor "Kubernetes"		Cri-o Search vendor "Kubernetes" for product "Cri-o"				>= 1.23.0 < 1.23.2 Search vendor "Kubernetes" for product "Cri-o" and version " >= 1.23.0 < 1.23.2"		-		Affected