RHSA-2025:22257 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.20.6 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 4.20.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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 4.20.6. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/156635

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/4.20/html/release_notes/

Security Fix(es):

• helm.sh/helm/v3: Helm Chart JSON Schema Denial of Service (CVE-2025-55199)
• helm.sh/helm/v3: Helm YAML Parsing Panic Vulnerability (CVE-2025-55198)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

All OpenShift Container Platform 4.20 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/4.20/html-single/updating_clusters/index#updating-cluster-cli.

Solution

For OpenShift Container Platform 4.20 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/4.20/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:a29bcbc9f286d68b394ffa0288c5de7e487c90077c06cbaf7a4cadeb0398ce28

(For s390x architecture)
The image digest is sha256:724ea94541fa32defeae6a782fb2f1194e5bd7221ec33d7bcc6c4dc1e53cabc3

(For ppc64le architecture)
The image digest is sha256:125ba716fa99fd8dbf33a8407030ad06704cd394dfc4898f7d6fb69e1bc9a8cd

(For aarch64 architecture)
The image digest is sha256:38a6732d5a3485f145657156e3c0625c21aa0af16c49959dd97eec75bfb1706e

All OpenShift Container Platform 4.20 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/4.20/html-single/updating_clusters/index#updating-cluster-cli.

Affected Products

• Red Hat OpenShift Container Platform

Fixes

• BZ - 2388449
• BZ - 2388451
• OCPBUGS-58398 - Hypershift network clusteroperator is failing deployment
• OCPBUGS-63690 - CloudFront Distribution not deleted by ccoctl aws delete
• OCPBUGS-64702 - Lack Chinese/Japanese/Korean translations for 'On/Off' switch button on editor setting modal of yaml page.
• OCPBUGS-64850 - [4.20] Handle HTTP 400 and 409 race condition in Redfish power operations
• OCPBUGS-65516 - Restore FRR rpm in Dockerfile
• OCPBUGS-65519 - [4.20] Test advertised ip reachability before assigning it
• OCPBUGS-65660 - [release-4.20] The archive may contain file names that could cause errors during processing
• OCPBUGS-65708 - CentralUSEAUP worker machine creation fails with error on platformUpdateDomainCount
• OCPBUGS-65715 - Update the OCP version for Konflux builds to 4.20.4
• OCPBUGS-65781 - RUN --mount directives breaking MCO image builds

CVEs

• CVE-2025-55198
• CVE-2025-55199

References

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