RHBA-2025:19901 - Bug Fix Advisory

Topic

Red Hat OpenShift Container Platform release 4.16.52 is now available with updates to packages and images that fix several bugs.

Description

Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.

This advisory contains the container images for Red Hat OpenShift Container Platform 4.16.52. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHBA-2025:19899

Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/release_notes/

Solution

For OpenShift Container Platform 4.16 see the following documentation, which will be updated shortly for this release, for important instructions
on how to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/release_notes/

You can download the oc tool and use it to inspect release image metadata
for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests
can be found at
https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.

The sha values for the release are as follows:

(For x86_64 architecture)
The image digest is sha256:a47cb53955e7d4c656a07315f847ee24c41308b42f50df3b7262934e7d8b4aa2

(For s390x architecture)
The image digest is sha256:f19b9dbbb633c0d0fdb2abc98962a9e96eaed147df2d64fd66de8f640be1f45f

(For ppc64le architecture)
The image digest is sha256:c58c9e512f52a2fd6438121bc1bc9917781c3acb98a4d2962c7ed3ea77a140f1

(For aarch64 architecture)
The image digest is sha256:f2b81058a6836f51cc9f614be786c08a99da678fedd6576b473cee40de6605e2

All OpenShift Container Platform 4.16 users are advised to upgrade to these updated packages and images when they are available in the appropriate
release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html-single/updating_clusters/index#updating-cluster-cli.

Fixes

• OCPBUGS-57423 - machine-config ClusterOperator stays Upgradeable=True as new nodes are added
• OCPBUGS-63140 - The master node in MC cluster report insufficent memory due to MAPI controller used too much memory
• OCPBUGS-63230 - [release-4.16] DNS Egress firewall should remove address_set entries after some time
• OCPBUGS-63235 - TestImageRegistryPods test failing in CMO end-to-end test suite
• OCPBUGS-63394 - 'oc delete istag/$ISTAG --dry-run=server' is unexpectedly deleting the object from the server
• OCPBUGS-63395 - 'oc delete istag/$ISTAG --dry-run=server' is unexpectedly deleting the object from the server
• OCPBUGS-63417 - ironic-inspector can't write on the shared volume
• OCPBUGS-63553 - Need to label born in < 4.12 masters as control-plane

CVEs

(none)

References

(none)