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

Synopsis:          Moderate: OpenShift Container Platform 4.9.22 security update
Advisory ID:       RHSA-2022:0561-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:0561
Issue date:        2022-02-23
CVE Names:         CVE-2021-29923 CVE-2021-36221 
=====================================================================

1. Summary:

Red Hat OpenShift Container Platform release 4.9.22 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.

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 4.9.22. See the following advisory for the RPM packages for this
release:

https://access.redhat.com/errata/RHSA-2022:0557

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/4.9/release_notes/ocp-4-9-release-notes.html

Security Fix(es):

* golang: net: incorrect parsing of extraneous zero characters at the
beginning of an IP address octet (CVE-2021-29923)

* golang: net/http/httputil: panic due to racy read of persistConn after
handler panic (CVE-2021-36221)

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:4.6.20-x86_64

The image digest is
sha256:912e4b9986f690b894fcb740881e780600e12ab22f128f6f873bc4e1fcda8d13

(For s390x architecture)

  $ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.6.20-s390x

The image digest is
sha256:fa19f34390bc50968af736bdedb193b36d5d832b1090bf215e1fe279f05d6c94

(For ppc64le architecture)

  $ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.6.20-ppc64le

The image digest is
sha256:857cab82eba0ad370669258da450b89d8c6e5cea25c61ee930f9e30bfcd515dd

All OpenShift Container Platform 4.9 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/4.9/updating/updating-cluster-cli.html

3. Solution:

For OpenShift Container Platform 4.9 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/4.9/release_notes/ocp-4-9-release-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.9/updating/updating-cluster-cli.html

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

1992006 - CVE-2021-29923 golang: net: incorrect parsing of extraneous zero characters at the beginning of an IP address octet
1995656 - CVE-2021-36221 golang: net/http/httputil: panic due to racy read of persistConn after handler panic
2015706 - Placeholder bug for OCP 4.9.0 image release
2022158 - t is not a function error navigating to details page
2023339 - Broken Argo CD link image on GitOps Details Page
2026553 - Incorrect result return when user filter data by name on search page
2028250 - Multiple CatalogSources causing higher CPU use than necessary
2028812 - [ipv6dualstack] SVC conversion from single stack only to RequireDualStack does not work node in OVN dualstack environments
2029867 - [4.9] Missing netFilter to the list of parameters when platform is OpenStack
2032985 - The containerruntimeconfig controller has wrong assumption regarding the number of containerruntimeconfigs
2033274 - Updation of task is getting failed (tekton hub integration)
2033672 - [4.9z] Some pods not able to reach k8s api svc IP 198.223.0.1
2038252 - [4.9] Azure drop ICMP need to frag FRAG when using OVN: openshift-apiserver becomes False after env runs some time due to communication between one master to pods on another master fails with "Unable to connect to the server"
2042444 - Build is not recognizing the USER group from an s2i image
2042494 - [4.9] BACKPORT Delete Stale container interfaces on hard reboot
2042677 - Not able to deploy an existing image from private image registry using developer console
2043650 - The port 50936 used by haproxy is occupied by kube-apiserver
2043807 - No way to verify if IPs with leading zeros are still valid in the apiserver
2046476 - 1 of 3 ovnkube-master pods stuck in clbo after ipi bm deployment - dualstack  (Intermittent)
2047350 - Clicking on an Application which has a Helm Release in it causes an error
2048173 - [OVN] Multicast between pods within the same project but on different nodes fails
2049774 - 4.9 backport: shiftstack: SRIOV nic reported as not supported
2050311 - ContainerCreateError when trying to launch large (>500) numbers of pods across nodes
2051523 - Project admin cannot access image vulnerabilities view
2052063 - Intermittent incorrect build to run correlation, leading to run status updates applied to wrong build, builds stuck in non-terminal phases
2052549 - Two features required for customer to successfully implement MetalLB in their environment
2052850 - [UI] Refreshing web console from the pop-up is taking to Install Operator page
2053222 - ImagePull fails with error  "unable to pull manifest from example.com/busy.box:v5  invalid reference format"
2053496 - Observe dashboard doesn't react on time-range changes after browser reload when perspective is changed in another tab

5. References:

https://access.redhat.com/security/cve/CVE-2021-29923
https://access.redhat.com/security/cve/CVE-2021-36221
https://access.redhat.com/security/updates/classification/#moderate

6. Contact:

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

Copyright 2022 Red Hat, Inc.
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