Important: OpenShift Container Platform 4.12.2 security update

Topic

Red Hat OpenShift Container Platform release 4.12.2 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 4.12.2. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHBA-2023:0568

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/4.12/release_notes/ocp-4-12-release-notes.html

Security Fix(es):

• goutils: RandomAlphaNumeric and CryptoRandomAlphaNumeric are not as random as they should be (CVE-2021-4238)
• go-yaml: Denial of Service in go-yaml (CVE-2021-4235)

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.

All OpenShift Container Platform 4.12 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 CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.12/updating/updating-cluster-cli.html

Solution

For OpenShift Container Platform 4.12 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/4.12/release_notes/ocp-4-12-release-notes.html

You may download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.

The sha values for the release are:

(For x86_64 architecture)
The image digest is sha256:31c7741fc7bb73ff752ba43f5acf014b8fadd69196fc522241302de918066cb1

(For s390x architecture)
The image digest is sha256:a3eff5b631aab76c1e66b88fd6fbfc75dcef31a2ced76786b53a1c6afadecb12

(For ppc64le architecture)
The image digest is sha256:78b979f9f93d636d2a1650ae0f38e758c5bb2bccd9e0485cd4adc9a7acc5a38a

(For aarch64 architecture)
The image digest is sha256:d237aca1231b23e4c4ffa8d9d4c0fd429be7c1ed7b685681ae50fb2588c0f223

All OpenShift Container Platform 4.12 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 CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.12/updating/updating-cluster-cli.html.

Affected Products

• Red Hat OpenShift Container Platform 4.12 for RHEL 9 x86_64
• Red Hat OpenShift Container Platform 4.12 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.12 for RHEL 9 ppc64le
• Red Hat OpenShift Container Platform for Power 4.12 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.12 for RHEL 9 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.12 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.12 for RHEL 9 aarch64
• Red Hat OpenShift Container Platform for ARM 64 4.12 for RHEL 8 aarch64

Fixes

• BZ - 2156727 - CVE-2021-4235 go-yaml: Denial of Service in go-yaml
• BZ - 2156729 - CVE-2021-4238 goutils: RandomAlphaNumeric and CryptoRandomAlphaNumeric are not as random as they should be
• OCPBUGS-2174 - AWS resource metadata tags are not supported for C2S region(us-iso-x).
• OCPBUGS-4678 - Image registry panics while deploying OCP in ap-south-2 AWS region
• OCPBUGS-5493 - CI "[Feature:bond] should create a pod with bond interface" fails for MTU migration jobs
• OCPBUGS-5509 - Report topology usage in vSphere environment via telemetry
• OCPBUGS-5743 - apiserver pods cannot reach etcd on single node IPv6 cluster: transport: authentication handshake failed: x509: certificate is valid for ::1, 127.0.0.1, ::1, fd69::2, not 2620:52:0:198::10"
• OCPBUGS-5745 - [4.12]Improve Pod Admission failure for restricted-v2 denials that pass with restricted
• OCPBUGS-5976 - [release-4.12] gather default ingress controller definition
• OCPBUGS-6052 - [azure] Fail to create master node with vm size in family ECIADSv5 and ECIASv5
• OCPBUGS-6179 - The MCO can generate a rendered config with old KubeletConfig contents, blocking upgrades
• OCPBUGS-6489 - metallb 4.12.0-202301042354 (OCP 4.12) refers to external image
• OCPBUGS-6493 - Update 4.13 ose-alibaba-cloud-csi-driver image to be consistent with ART
• OCPBUGS-6517 - Image registry Operator does not use Proxy when connecting to openstack
• OCPBUGS-6600 - openshift-client package has wrong version of kubectl bundled
• OCPBUGS-6678 - `availableUpdates: null` results in run-time error on Cluster Settings page
• OCPBUGS-6743 - React warning (missing key) when inspecting browser log
• OCPBUGS-6755 - Branch name should sanitised to match actual github branch name in repository plr list
• OCPBUGS-6822 - Update NTO images to be consistent with ART
• OCPBUGS-6836 - Add rpm-build to DTK image

CVEs

• CVE-2021-4235
• CVE-2021-4238

References

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