RHSA-2026:89229: High severity Red Hat Red Hat OpenShift Container Platform for ARM 64 vulnerability

Published Oct 27, 2026
·
Updated

Important: OpenShift Container Platform 4.21.40 packages and security update

Affected Software

4 affected components
Red Hat Red Hat OpenShift Container Platform for ARM 64
Red Hat Red Hat OpenShift Container Platform for IBM Z and LinuxONE
Red Hat Red Hat OpenShift Container Platform
Red Hat Red Hat OpenShift Container Platform for Power

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade OpenShift Container Platform to a version that resolves this vulnerability.

    Fixed in 4.21.40

Event History

Oct 27, 2026
Advisory Published
via Red Hat·12:33 AM
Data Sourced
via Red Hat·12:33 AM
DescriptionSeverityAffected Software

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