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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: OpenShift Container Platform 4.7.29 bug fix and security update
Advisory ID:       RHSA-2021:3303-04
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3303
Issue date:        2021-09-08
CVE Names:         CVE-2021-3121 
=====================================================================

1. Summary:

Red Hat OpenShift Container Platform release 4.7.29 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 4.7.

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.

2. 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 4.7.29. See the following advisory for the RPM packages for this
release:

https://access.redhat.com/errata/RHBA-2021:3304

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.openshift.com/container-platform/4.7/release_notes/ocp-4-7-rel
ease-notes.html

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:4.7.29-x86_64

The image digest is
sha256:b10034bedb4bf08a393462caf4c3fac8f9e4646d3b49d05915850dce0145cf15

(For s390x architecture)

  $ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.7.29-s390x

The image digest is
sha256:19794cea3ec0e319223b38926e9a5356f0daa1594238ea620d83f6689777b11f

(For ppc64le architecture)

  $ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.7.29-ppc64le

The image digest is
sha256:38484e753414060210bddef0e0d771ac5fe89f50272c9a959547195ac1615c05

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

3. Solution:

For OpenShift Container Platform 4.7 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/4.7/release_notes/ocp-4-7-rel
ease-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.7/updating/updating-cluster
- -cli.html

4. Bugs fixed (https://bugzilla.redhat.com/):

1921650 - CVE-2021-3121 gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation
1960103 - SR-IOV obliviously reboot the node
1967359 - [ocp_4][4.7][apiserver-auth] OAuth API servers are not ready - PreconditionNotReady
1972430 - Adopt failure can trigger deprovisioning
1976242 - [4.7.z backport] Upgrade from Openshift 4.5 -> 4.6 Results in Orphaned Address sets
1994601 - OLM dependencies not fixing version
1995199 - After unexpected power outage some nodes could not start anything via crio
1995579 - linuxptp-daemon crash on 4.8
1995910 - Backport ovnkube-trace requires iproute to be installed in the pod to 4.7.z
1996698 - Placeholder bug for OCP 4.7.0 metadata release
1996846 - Apiserver liveness probe is marking it as unhealthy during normal shutdown
1997104 - [OVN] EgressIP no longer worked after a cluster upgrade
1998996 - Placeholder bug for OCP 4.7.0 rpm release
1998997 - Placeholder bug for OCP 4.7.0 extras release
1998998 - Placeholder bug for OCP 4.7.0 metadata release

5. References:

https://access.redhat.com/security/cve/CVE-2021-3121
https://access.redhat.com/security/updates/classification/#moderate

6. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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