QID 239212

Red Hat OpenShift Container Platform is Red Hat's cloud computingKubernetes application platform solution designed for on-premise or privatecloud deployments.This advisory contains the RPM packages for Red Hat OpenShift ContainerPlatform 4.7.5. See the following advisory for the container images forthis release:https://access.redhat.com/errata/RHSA-2021:1005 All OpenShift Container Platform 4.7 users are advised to upgrade to theseupdated packages and images when they are available in the appropriaterelease channel. To check for available updates, use the OpenShift Consoleor the CLI oc command. Instructions for upgrading a cluster are availableathttps://docs.openshift.com/container-platform/4.7/updating/updating-cluster-between-minor.html#understanding-upgrade-channels_updating-cluster-between-minor

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

Affected Products:

Red Hat OpenShift Container Platform 4.7 for RHEL 8 x86_64
Red Hat OpenShift Container Platform 4.7 for RHEL 7 x86_64
Red Hat OpenShift Container Platform for Power 4.7 for RHEL 8 ppc64le
Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.7 for RHEL 8 s390x

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.