SB2023030132 - Incorrect permission assignment for critical resource in Red Hat OpenShift on IBM Cloud



SB2023030132 - Incorrect permission assignment for critical resource in Red Hat OpenShift on IBM Cloud

Published: March 1, 2023

Security Bulletin ID SB2023030132
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Incorrect permission assignment for critical resource (CVE-ID: CVE-2022-0532)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect sysctls validation in CRI-O. The sysctls from the list of "safe" sysctls specified for the cluster will be applied to the host if an attacker is able to create a pod with a hostIPC and hostNetwork kernel namespace.


Remediation

Install update from vendor's website.