RHSA-2021:3262 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.7.28 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.

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

https://access.redhat.com/errata/RHBA-2021:3263

Space precludes documenting all of the container images in this advisory.
See the following Release Notes documentation 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.

Bug Fix(es):

• Machine Config Operator degrades during cluster update with failed to

convert Ignition config spec v2 to v3 (BZ#1956462)

• OCP IPI Publish Internal - GCP: Load Balancer service with External

Traffic Policy as Local is not working (BZ#1971669)

• [4.7] Unable to attach Vsphere volume shows the error "failed to get

canonical path" (BZ#1973766)

• oc logs doesn't work with piepeline builds (BZ#1974264)
• "provisioned registration errors" cannot be reported (BZ#1976924)
• AWS Elastic IP permissions are incorrectly required (BZ#1981553)
• Memory consumption (container_memory_rss) steadily growing for

/system.slice/kubelet.service when FIPS enabled [ocp 4.7] (BZ#1981580)

• Problematic Deployment creates infinite number Replicasets causing etcd

to reach quota limit (BZ#1981775)

• Size of the hostname was preventing proper DNS resolution of the worker

node names (BZ#1983695)

• (release-4.7) Insights status card shows nothing when 0 issues found

(BZ#1986724)

• drop-icmp pod blocks direct SSH access to cluster nodes (BZ#1988426)
• Editing a Deployment drops annotations (BZ#1989642)
• [Kuryr][4.7] Duplicated egress rule for service network in knp object

(BZ#1990175)

• Update failed - ovn-nbctl: duplicate nexthop for the same ECMP route

(BZ#1991445)

• Unable to install a zVM hosted OCP 4.7.24 on Z Cluster based on new RHCOS

47 RHEL 8.4 based build (BZ#1992240)

• alerts: SystemMemoryExceedsReservation triggers too quickly (BZ#1992687)
• failed to start cri-o service due to /usr/libexec/crio/conmon is missing

(BZ#1993386)

• Thanos build failure: vendor/ ignored (BZ#1994123)
• Ipv6 IP addresses are not accepted for whitelisting (BZ#1994645)
• upgrade from 4.6 to 4.7 to 4.8 with mcp worker "paused=true", crio

report "panic: close of closed channel" which lead to a master Node go into
Restart loop (BZ#1994729)

• linuxptp-daemon crash on 4.8 (BZ#1995579)
• long living clusters may fail to upgrade because of an invalid conmon

path (BZ#1995810)

For more details about the security issue(s), 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:4.7.28-x86_64

The image digest is
sha256:b3f38d58057a12b0477bf28971390db3e3391ce1af8ac06e35d0aa9e8d8e5966

(For s390x architecture)

$ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.7.28-s390x

The image digest is
sha256:30c2011f6d84b16960b981a07558f96a55e59a281449d25c5ccc778aaeb2f970

(For ppc64le architecture)

$ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.7.28-ppc64le

The image digest is
sha256:52ebf0db5a36434357c24a64863025730d2159a94997333f15fbe1444fa88f4f

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

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-release-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

Affected Products

• Red Hat OpenShift Container Platform 4.7 for RHEL 8 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

Fixes

• BZ - 1863446 - [Assisted-4.5-M2] clean all does not remove ConfigMaps and PVC
• BZ - 1921650 - CVE-2021-3121 gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation
• BZ - 1956462 - Machine Config Operator degrades during cluster update with failed to convert Ignition config spec v2 to v3
• BZ - 1971669 - OCP IPI Publish Internal - GCP: Load Balancer service with External Traffic Policy as Local is not working
• BZ - 1973766 - [4.7] Unable to attach Vsphere volume shows the error "failed to get canonical path"
• BZ - 1974264 - oc logs doesn't work with piepeline builds
• BZ - 1976924 - "provisioned registration errors" cannot be reported
• BZ - 1981553 - AWS Elastic IP permissions are incorrectly required
• BZ - 1981775 - Problematic Deployment creates infinite number Replicasets causing etcd to reach quota limit
• BZ - 1983695 - Size of the hostname was preventing proper DNS resolution of the worker node names
• BZ - 1986724 - (release-4.7) Insights status card shows nothing when 0 issues found
• BZ - 1988426 - drop-icmp pod blocks direct SSH access to cluster nodes
• BZ - 1989642 - Editing a Deployment drops annotations
• BZ - 1990175 - [Kuryr][4.7] Duplicated egress rule for service network in knp object
• BZ - 1991445 - Update failed - ovn-nbctl: duplicate nexthop for the same ECMP route
• BZ - 1992240 - Unable to install a zVM hosted OCP 4.7.24 on Z Cluster based on new RHCOS 47 RHEL 8.4 based build
• BZ - 1992687 - alerts: SystemMemoryExceedsReservation triggers too quickly
• BZ - 1993386 - failed to start cri-o service due to /usr/libexec/crio/conmon is missing
• BZ - 1994123 - Thanos build failure: vendor/ ignored
• BZ - 1994645 - Ipv6 IP addresses are not accepted for whitelisting
• BZ - 1994729 - upgrade from 4.6 to 4.7 to 4.8 with mcp worker "paused=true", crio report "panic: close of closed channel" which lead to a master Node go into Restart loop
• BZ - 1995810 - long living clusters may fail to upgrade because of an invalid conmon path
• BZ - 1998112 - Networking issue with vSphere clusters running HW14 and later

CVEs

• CVE-2021-3121
• CVE-2021-3609
• CVE-2021-22543
• CVE-2021-22555
• CVE-2021-27218

References

• https://access.redhat.com/security/updates/classification/#important