RHBA-2026:7874 - Bug Fix Advisory

Topic

Submariner v0.23 General Availability release images, which provide enhancements, security fixes, and updated container images.
Red Hat Advanced Cluster Management for Kubernetes v2.16

Description

Submariner is a Kubernetes operator that enables cross-cluster connectivity for services and pods, implementing KEP-1645 (Multi-Cluster Services API). After deploying the Submariner operator, it can enable direct networking between pods and services across different Kubernetes clusters.

For more information about Submariner, see the Submariner open source community website at: https://submariner.io/.

Solution

For release note details, see the upstream Submariner release notes:

https://submariner.io/community/releases/

Downstream-specific issues resolved:

• ACM-29865
• ACM-30202
• ACM-30240
• ACM-30970
• ACM-31480

For more details, see the Red Hat Advanced Cluster Management for Kubernetes documentation:

https://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.16/

Affected Products

• Red Hat Advanced Cluster Management for Kubernetes

Fixes

• https://issues.redhat.com/browse/ACM-29865 - Update the cpe labels on Submariner images
• https://issues.redhat.com/browse/ACM-30202 - Submariner connection degraded The connection between clusters is not established (status=connecting)
• https://issues.redhat.com/browse/ACM-30240 - Annotations for using custom VPC in RHOS Cloud Prepare
• https://issues.redhat.com/browse/ACM-30970 - Add in prequsites section : Avoid port 4500 for openstack
• https://issues.redhat.com/browse/ACM-31480 - HCP Ingress operator fails after all the ingress pods restart

CVEs

(none)

References

(none)