RHSA-2026:63639: High severity Red Hat Red Hat OpenShift Container Platform for Power vulnerability
Published Sep 8, 2026
·Updated
Important: Red Hat build of MicroShift 4.22.13 security update
Affected Software
4 affected components
Red Hat Red Hat OpenShift Container Platform for Power
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 ARM 64
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Red Hat build of MicroShiftto a version that resolves this vulnerability.Fixed in 4.22.13
Event History
Sep 8, 2026
Advisory Published
via Red Hat·12:31 PM
Data Sourced
via Red Hat·12:31 PM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which platform variants are identified in the advisory metadata?
The metadata lists Red Hat OpenShift Container Platform for Power, IBM Z and LinuxONE, ARM 64, and the general Red Hat OpenShift Container Platform entry.
2
Are exploit prerequisites, affected configurations, or temporary mitigations provided?
No. The supplied advisory data does not identify affected configurations, attacker requirements, individual vulnerabilities, or mitigations for systems that cannot be updated immediately.