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

Synopsis:          Important: OpenShift Container Platform 3.11.524 security and bug fix update
Advisory ID:       RHSA-2021:3646-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3646
Issue date:        2021-09-30
CVE Names:         CVE-2021-25741 
=====================================================================

1. Summary:

Red Hat OpenShift Container Platform release 3.11.524 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 Important. 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. Relevant releases/architectures:

Red Hat OpenShift Container Platform 3.11 - noarch, ppc64le, x86_64

3. 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 RPM packages for Red Hat OpenShift Container
Platform. See the following advisory for the container images for
this release:

https://access.redhat.com/errata/RHBA-2021:3647

All OpenShift Container Platform 3.11 users are advised to upgrade to these
updated packages and images.

Security Fix(es):

* kubernetes: Symlink exchange can allow host filesystem access
(CVE-2021-25741)

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.

4. Solution:

See the following documentation, which will be updated shortly for release
3.11.524, for important instructions on how to upgrade your cluster and
fully
apply this asynchronous errata update:

https://docs.openshift.com/container-platform/3.11/release_notes/ocp_3_11_r
elease_notes.html

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258.

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

1993749 - CVE-2021-25741 kubernetes: Symlink exchange can allow host filesystem access

6. Package List:

Red Hat OpenShift Container Platform 3.11:

Source:
atomic-enterprise-service-catalog-3.11.524-1.git.2e6be86.el7.src.rpm
atomic-openshift-3.11.524-1.git.0.2dffce7.el7.src.rpm
atomic-openshift-cluster-autoscaler-3.11.524-1.git.99b2acf.el7.src.rpm
atomic-openshift-descheduler-3.11.524-1.git.d435537.el7.src.rpm
atomic-openshift-dockerregistry-3.11.524-1.git.3571208.el7.src.rpm
atomic-openshift-metrics-server-3.11.524-1.git.f8bf728.el7.src.rpm
atomic-openshift-node-problem-detector-3.11.524-1.git.c8f26da.el7.src.rpm
atomic-openshift-service-idler-3.11.524-1.git.39cfc66.el7.src.rpm
atomic-openshift-web-console-3.11.524-1.git.56ad978.el7.src.rpm
golang-github-openshift-oauth-proxy-3.11.524-1.git.edebe84.el7.src.rpm
golang-github-prometheus-alertmanager-3.11.524-1.git.13de638.el7.src.rpm
golang-github-prometheus-node_exporter-3.11.524-1.git.609cd20.el7.src.rpm
golang-github-prometheus-prometheus-3.11.524-1.git.99aae51.el7.src.rpm
openshift-ansible-3.11.524-1.git.0.150f8a9.el7.src.rpm
openshift-enterprise-autoheal-3.11.524-1.git.f2f435d.el7.src.rpm
openshift-enterprise-cluster-capacity-3.11.524-1.git.22be164.el7.src.rpm
openshift-kuryr-3.11.524-1.git.b234b49.el7.src.rpm

noarch:
atomic-openshift-docker-excluder-3.11.524-1.git.0.2dffce7.el7.noarch.rpm
atomic-openshift-excluder-3.11.524-1.git.0.2dffce7.el7.noarch.rpm
openshift-ansible-3.11.524-1.git.0.150f8a9.el7.noarch.rpm
openshift-ansible-docs-3.11.524-1.git.0.150f8a9.el7.noarch.rpm
openshift-ansible-playbooks-3.11.524-1.git.0.150f8a9.el7.noarch.rpm
openshift-ansible-roles-3.11.524-1.git.0.150f8a9.el7.noarch.rpm
openshift-ansible-test-3.11.524-1.git.0.150f8a9.el7.noarch.rpm
openshift-kuryr-cni-3.11.524-1.git.b234b49.el7.noarch.rpm
openshift-kuryr-common-3.11.524-1.git.b234b49.el7.noarch.rpm
openshift-kuryr-controller-3.11.524-1.git.b234b49.el7.noarch.rpm
python2-kuryr-kubernetes-3.11.524-1.git.b234b49.el7.noarch.rpm

ppc64le:
atomic-enterprise-service-catalog-3.11.524-1.git.2e6be86.el7.ppc64le.rpm
atomic-enterprise-service-catalog-svcat-3.11.524-1.git.2e6be86.el7.ppc64le.rpm
atomic-openshift-3.11.524-1.git.0.2dffce7.el7.ppc64le.rpm
atomic-openshift-clients-3.11.524-1.git.0.2dffce7.el7.ppc64le.rpm
atomic-openshift-cluster-autoscaler-3.11.524-1.git.99b2acf.el7.ppc64le.rpm
atomic-openshift-descheduler-3.11.524-1.git.d435537.el7.ppc64le.rpm
atomic-openshift-hyperkube-3.11.524-1.git.0.2dffce7.el7.ppc64le.rpm
atomic-openshift-hypershift-3.11.524-1.git.0.2dffce7.el7.ppc64le.rpm
atomic-openshift-master-3.11.524-1.git.0.2dffce7.el7.ppc64le.rpm
atomic-openshift-metrics-server-3.11.524-1.git.f8bf728.el7.ppc64le.rpm
atomic-openshift-node-3.11.524-1.git.0.2dffce7.el7.ppc64le.rpm
atomic-openshift-node-problem-detector-3.11.524-1.git.c8f26da.el7.ppc64le.rpm
atomic-openshift-pod-3.11.524-1.git.0.2dffce7.el7.ppc64le.rpm
atomic-openshift-sdn-ovs-3.11.524-1.git.0.2dffce7.el7.ppc64le.rpm
atomic-openshift-service-idler-3.11.524-1.git.39cfc66.el7.ppc64le.rpm
atomic-openshift-template-service-broker-3.11.524-1.git.0.2dffce7.el7.ppc64le.rpm
atomic-openshift-tests-3.11.524-1.git.0.2dffce7.el7.ppc64le.rpm
atomic-openshift-web-console-3.11.524-1.git.56ad978.el7.ppc64le.rpm
golang-github-openshift-oauth-proxy-3.11.524-1.git.edebe84.el7.ppc64le.rpm
openshift-enterprise-autoheal-3.11.524-1.git.f2f435d.el7.ppc64le.rpm
openshift-enterprise-cluster-capacity-3.11.524-1.git.22be164.el7.ppc64le.rpm
prometheus-3.11.524-1.git.99aae51.el7.ppc64le.rpm
prometheus-alertmanager-3.11.524-1.git.13de638.el7.ppc64le.rpm
prometheus-node-exporter-3.11.524-1.git.609cd20.el7.ppc64le.rpm

x86_64:
atomic-enterprise-service-catalog-3.11.524-1.git.2e6be86.el7.x86_64.rpm
atomic-enterprise-service-catalog-svcat-3.11.524-1.git.2e6be86.el7.x86_64.rpm
atomic-openshift-3.11.524-1.git.0.2dffce7.el7.x86_64.rpm
atomic-openshift-clients-3.11.524-1.git.0.2dffce7.el7.x86_64.rpm
atomic-openshift-clients-redistributable-3.11.524-1.git.0.2dffce7.el7.x86_64.rpm
atomic-openshift-cluster-autoscaler-3.11.524-1.git.99b2acf.el7.x86_64.rpm
atomic-openshift-descheduler-3.11.524-1.git.d435537.el7.x86_64.rpm
atomic-openshift-dockerregistry-3.11.524-1.git.3571208.el7.x86_64.rpm
atomic-openshift-hyperkube-3.11.524-1.git.0.2dffce7.el7.x86_64.rpm
atomic-openshift-hypershift-3.11.524-1.git.0.2dffce7.el7.x86_64.rpm
atomic-openshift-master-3.11.524-1.git.0.2dffce7.el7.x86_64.rpm
atomic-openshift-metrics-server-3.11.524-1.git.f8bf728.el7.x86_64.rpm
atomic-openshift-node-3.11.524-1.git.0.2dffce7.el7.x86_64.rpm
atomic-openshift-node-problem-detector-3.11.524-1.git.c8f26da.el7.x86_64.rpm
atomic-openshift-pod-3.11.524-1.git.0.2dffce7.el7.x86_64.rpm
atomic-openshift-sdn-ovs-3.11.524-1.git.0.2dffce7.el7.x86_64.rpm
atomic-openshift-service-idler-3.11.524-1.git.39cfc66.el7.x86_64.rpm
atomic-openshift-template-service-broker-3.11.524-1.git.0.2dffce7.el7.x86_64.rpm
atomic-openshift-tests-3.11.524-1.git.0.2dffce7.el7.x86_64.rpm
atomic-openshift-web-console-3.11.524-1.git.56ad978.el7.x86_64.rpm
golang-github-openshift-oauth-proxy-3.11.524-1.git.edebe84.el7.x86_64.rpm
openshift-enterprise-autoheal-3.11.524-1.git.f2f435d.el7.x86_64.rpm
openshift-enterprise-cluster-capacity-3.11.524-1.git.22be164.el7.x86_64.rpm
prometheus-3.11.524-1.git.99aae51.el7.x86_64.rpm
prometheus-alertmanager-3.11.524-1.git.13de638.el7.x86_64.rpm
prometheus-node-exporter-3.11.524-1.git.609cd20.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2021-25741
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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