RHSA-2026:21696 - Security Advisory

标题

Red Hat OpenShift Container Platform release 4.12.91 is now available with updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container Platform 4.12.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

描述

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 4.12.91. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHBA-2026:21694

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/4.12/html/release_notes

解决方案

For OpenShift Container Platform 4.12 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/4.12/html/release_notes

You may download the oc tool and use it to inspect release image metadata for x86_64 architecture. The image digest may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.

The sha value for the release is as follows:

(For x86_64 architecture)
The image digest is sha256:3701cb0c9cd5c3123709a9ec33af15b4c6fe414f62b316a27cbbc07f5857a869

All OpenShift Container Platform 4.12 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/4.12/html-single/updating_clusters/index#updating-cluster-within-minor.

受影响的产品

• Red Hat OpenShift Container Platform

修复

• BZ - 2445356
• BZ - 2449833
• OCPBUGS-77469 - [openshift-4.12] openshift-enterprise-hyperkube can't be built hermetically
• BZ - 2445356
• BZ - 2449833
• OCPBUGS-77469 - [openshift-4.12] openshift-enterprise-hyperkube can't be built hermetically

CVE

• CVE-2026-25679
• CVE-2026-33186

参考

• https://access.redhat.com/security/updates/classification/