Moderate: OpenShift Container Platform 4.11.21 bug fix and security update

Topic

Red Hat OpenShift Container Platform release 4.11.21 is now available with updates to packages and images that fix several bugs and add enhancements.

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 4.11.21. There are no RPM packages for this release.

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:

Security Fix(es):

• golang: crash in a golang.org/x/crypto/ssh server (CVE-2022-27191)

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.

Solution

For OpenShift Container Platform 4.11 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.openshift.com/container-platform/4.11/release_notes/ocp-4-11-release-notes.html

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:

(For x86_64 architecture)
The image digest is sha256:860cc37824074671c4cf76e02d224d243e670d2298e6dab8923ee391fbd0ae1c

(For s390x architecture)
The image digest is sha256:c13f2568209ec574f6b7443c013f272e1851f866a0ab38f80805f8bb7e91373b

(For ppc64le architecture)
The image digest is sha256:85a473a3fe31d7906ee17084e6fcf815d2f1e3403b6000e34f27b609da244a7c

(For aarch64 architecture)
The image digest is sha256:0a255cc0a6ef305e41a5808525ec5e7f625b916c3257444e6ad87a0351a99e4c

All OpenShift Container Platform 4.11 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 Console or the CLI oc command. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.11/updating/updating-cluster-cli.html

Affected Products

• Red Hat OpenShift Container Platform 4.11 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.11 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.11 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.11 aarch64

Fixes

• BZ - 2064702 - CVE-2022-27191 golang: crash in a golang.org/x/crypto/ssh server
• BZ - 2067989 - Should not exit with code 1 when only has warning
• OCPBUGS-2123 - [Azure]Availability Set will be created when vmSize is invalid in a region which has zones
• OCPBUGS-2443 - Help popovers cause error on Observe > Alerting pages
• OCPBUGS-3116 - [2117255] Failed to dump flows for flow sync, stderr: "ovs-ofctl: br-ext is not a bridge or a socket"
• OCPBUGS-3614 - [4.11] [perf/scale] libovsdb builds transaction logs but throws them away
• OCPBUGS-3674 - metal3 pod crashloops on OKD in BareMetal IPI or assisted-installer bare metal installations
• OCPBUGS-4103 - Unable to use application credentials for Cinder CSI after OpenStack credentials update
• OCPBUGS-4324 - Backport PodNetworkConnectivityCheck for must-gather
• OCPBUGS-4376 - Grafana tests fail on the release-4.11 branch with Go 1.18 [4.11.z]
• OCPBUGS-4386 - [2107531] Implement upstream fix for kube-proxy: fix duplicate port opening #107413
• OCPBUGS-4405 - Azure UPI installation failed to scale up worker nodes using machinests
• OCPBUGS-4408 - 4.11: When adding nodes, the overlapped node-subnet can be allocated.
• OCPBUGS-4529 - [OSP]Enhancement: suppress the misleading error logs for cloud-network-config-controller pod
• OCPBUGS-4564 - [4.11] Pod stuck in containerCreating state when the node on which it is running is Terminated
• OCPBUGS-4618 - [4.11] OVN silently failing in case of a stuck pod
• OCPBUGS-4640 - Prometheus continuously restarts due to slow WAL replay
• OCPBUGS-4655 - [4.11] ovn-kubernetes ovnkube-master containers crashlooping after 4.11.0-0.okd-2022-10-15-073651 update
• OCPBUGS-4797 - OLM generates invalid component selector labels
• OCPBUGS-4838 - [4.11] Pod LSP missing from PortGroup
• OCPBUGS-4860 - [4.11] Network Policy executes duplicate transactions for every pod update
• OCPBUGS-4887 - [4.11] Pods completed + deleted may leak
• OCPBUGS-4992 - Windows East-West networking test fails for pod to pod communication

CVEs

• CVE-2022-27191

References

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