RHSA-2026:68538: High severity Red Hat Red Hat OpenShift Container Platform vulnerability
Published Sep 22, 2026
·Updated
Important: OpenShift Container Platform 4.21.34 packages and security update
Affected Software
4 affected components
Red Hat Red Hat OpenShift Container Platform
Red Hat Red Hat OpenShift Container Platform for ARM 64
Red Hat Red Hat OpenShift Container Platform for Power
Red Hat Red Hat OpenShift Container Platform for IBM Z and LinuxONE
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
OpenShift Container Platformto a version that resolves this vulnerability.Fixed in 4.21.34
Event History
Sep 22, 2026
Advisory Published
via Red Hat·08:20 AM
Data Sourced
via Red Hat·08:20 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which OpenShift Container Platform deployments are covered?
The update covers Red Hat OpenShift Container Platform and its ARM 64, Power, and IBM Z and LinuxONE variants.
2
Does the available advisory data identify specific CVEs, affected package versions, or temporary mitigations?
No. The provided information does not include CVE identifiers, package build details, affected-version ranges, or mitigation guidance for systems that cannot yet be updated.