(RHSA-2021:2977) Moderate: OpenShift Container Platform 4.7.23 security update

Red Hat OpenShift Container Platform is Red Hat’s cloud computing
Kubernetes application platform solution designed for on-premise or private
cloud deployments.

Security Fix(es):

• gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation (CVE-2021-3121)

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.

You may download the oc tool and use it to inspect release image metadata
as follows:

(For x86_64 architecture)

$ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.7.23-x86_64

The image digest is
sha256:fb00f5e16a2092c3f15113ad8de0d2e841abdb43c9c39794522fc79784a3efb0

(For s390x architecture)

$ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.7.23-s390x

The image digest is
sha256:5e633adb1d47cd2c0a000caa02d937074cab4e3b601b99d71368604c3109c632

(For ppc64le architecture)

$ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.7.23-ppc64le

The image digest is
sha256:7adfc7d4513763ac62700f3d5eb7fd9050b925de8e9ccc5b2bb6dee593522c5a

All OpenShift Container Platform 4.7 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/4.7/updating/updating-cluster
-between-minor.html#understanding-upgrade-channels_updating-cluster-between
-minor