RHSA-2026:40768 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.22.6 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 4.22.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

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

https://access.redhat.com/errata/RHBA-2026:40763

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/4.22/html/release_notes/

Solution

For OpenShift Container Platform 4.22 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/4.22/html/release_notes/

You may download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests may 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 sha256:4b439fabd9a53e37a7fa436e349837283d04513bc8209e643171d1b86d31b845

(For s390x architecture)
The image digest is sha256:c5de4bf75d24ce7ad29ef1c340bcf162c5a7342cfe02792d4a957f5c78aed00e

(For ppc64le architecture)
The image digest is sha256:9c842e45cc643645313d721ba669dba4c66a97db63482dfee14e224de5e140d2

(For aarch64 architecture)
The image digest is sha256:60f35f63c8d87642bae7d49ff9b8953d429aa6bba7e510dcde317ddf48f30edd

All OpenShift Container Platform 4.22 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/4.22/html-single/updating_clusters/index#updating-cluster-cli.

Affected Products

• Red Hat OpenShift Container Platform

Fixes

• BZ -
• BZ -
• BZ -
• BZ -
• BZ -
• BZ -
• https://redhat.atlassian.net/browse/OCPBUGS-76855 - Prevent power state sync from interfering with firmware updates
• https://redhat.atlassian.net/browse/OCPBUGS-87153 - Refactor OVS affinity tests into shared helpers and add new workload-partitioning and control-plane reboot test cases
• https://redhat.atlassian.net/browse/OCPBUGS-87812 - CLONE - vSphere failure domain validation silently skips invalid vCenter server reference when multiple failure domains are configured
• https://redhat.atlassian.net/browse/OCPBUGS-87814 - CLONE - VSphere and Nutanix MachinePool optional slice fields missing omitempty JSON tag
• https://redhat.atlassian.net/browse/OCPBUGS-88703 - T-BC CLOCK_REALTIME stuck at FREERUN due to dual-publisher conflict in ParseTBCLogs and extractRegularMetrics
• https://redhat.atlassian.net/browse/OCPBUGS-91947 - [4.22] maxOpenShiftVersion should be bumped to 5.0
• https://redhat.atlassian.net/browse/OCPBUGS-92190 - CLONE[4.22] - vSphere-CSI Provisioning fails when new ESXi hosts in Maintenance Mode lack Datastore access
• https://redhat.atlassian.net/browse/OCPBUGS-94186 - [release-4.22] clusteroperator/console blips Degraded=True during CI job run
• https://redhat.atlassian.net/browse/OCPBUGS-95580 - Unnecessary error message upon visiting node Terminal tab
• https://redhat.atlassian.net/browse/OCPBUGS-97563 - Alert cluster-admin when OLM subscription is abandoned after noOLM migration
• https://redhat.atlassian.net/browse/OCPBUGS-97904 - machine-config-controller boot image controller requires proxy support for outbound OVA downloads
• https://redhat.atlassian.net/browse/OCPBUGS-97943 - Update OWNERS for release-4.22: add karampok, remove zshi-redhat and mlguerrero12
• https://redhat.atlassian.net/browse/OCPBUGS-97946 - oc-mirror fails mirroring "multi" architecture on Mirror To Disk strateegy
• https://redhat.atlassian.net/browse/OCPBUGS-98222 - Kube-controller-manager panic due to unrecognized serviceAccountToken volume type during login
• https://redhat.atlassian.net/browse/OCPBUGS-98226 - Backport appliance test fixes for OVE
• https://redhat.atlassian.net/browse/OCPBUGS-98572 - 4.22 CVO fails to load 5.0 payload manifests using unknown template fields, blocking major upgrades
• https://redhat.atlassian.net/browse/OCPBUGS-98629 - Update Konflux release version

CVEs

• CVE-2026-40895
• CVE-2026-42151
• CVE-2026-44487
• CVE-2026-44488
• CVE-2026-44495
• CVE-2026-45736

References

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