Important: OpenShift Container Platform 4.12.3 security update

Topic

Red Hat OpenShift Container Platform release 4.12.3 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 4.12.

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

https://access.redhat.com/errata/RHSA-2023:0727

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)
• golang: net/http: An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests (CVE-2022-41717)

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 sha256:382f271581b9b907484d552bd145e9a5678e9366330059d31b007f4445d99e36

(For s390x architecture)
The image digest is sha256:529e7aa3a821892575abeecd4971dff194f48943ce364a01d93c599c27d2ef9c

(For ppc64le architecture)
The image digest is sha256:8db6cb445bdf1534860a1a47f8c50bc73d99dfdd196f06184acbcea5d7bc112f

(For aarch64 architecture)
The image digest is sha256:4657924fc2720f48932dec10380428804e9d82194f8ac748b7329f7c18021ef8

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 - 2156729 - CVE-2021-4238 goutils: RandomAlphaNumeric and CryptoRandomAlphaNumeric are not as random as they should be
• BZ - 2161274 - CVE-2022-41717 golang: net/http: An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests
• OCPBUGS-213 - base image quay.io/operator-framework/ansible-operator. After moving to tag v1.20.0, it breaks the task to update k8s_status in an FIPS enabled cluster
• OCPBUGS-2210 - ZTP with converged flow is too slow
• OCPBUGS-298 - Make ovnkube-trace work on hypershift deployments
• OCPBUGS-3095 - IPI for Power VS: Deploy fails when there is are certain preexisting resources
• OCPBUGS-3399 - ovn-k behaviour for service CIDR that doesn't match existing svc ip+port
• OCPBUGS-3941 - Whereabouts CNI timesout while iterating exclude range [backport 4.12]
• OCPBUGS-4238 - Hosted ovnkubernetes pods are not being spread among workers evenly
• OCPBUGS-4281 - Metrics are not available when running console in development mode
• OCPBUGS-4862 - Deletion of BYOH Windows node hangs in Ready,SchedulingDisabled
• OCPBUGS-5093 - After entering valid git repo url on Import from git page, throwing warning message instead Validated
• OCPBUGS-5841 - [4.12] Modifying node_mgmt_port_netdev_flags on OVN-K node will crash
• OCPBUGS-5960 - [4.12] Bootimage bump tracker
• OCPBUGS-5996 - [vsphere] installation errors out when missing topology in a failure domain
• OCPBUGS-6066 - Released operator versions are disappearing
• OCPBUGS-6076 - AMQ reconnect for 7 minutes floods linuxptp daemon with socket connection error
• OCPBUGS-6085 - Editing Pipeline in the ocp console to get information error
• OCPBUGS-6494 - One old machine stuck in Deleting and many co get degraded when doing master replacement on the cluster with OVN network
• OCPBUGS-6669 - Do not show UpdateInProgress when status is Failing
• OCPBUGS-6703 - oc-mirror heads-only does not work with target name
• OCPBUGS-6758 - `create a project` link not backed by RBAC check
• OCPBUGS-6764 - Add Git Repository form shows empty permission content and non-working help link until a git url is entered
• OCPBUGS-6766 - "Delete dependent objects of this resource" might cause confusions
• OCPBUGS-6805 - MCO reconcile fails if user replace the pull secret to empty one
• OCPBUGS-6823 - [release-4.12] Egress FW ACL rules are invalid in dualstack mode
• OCPBUGS-6850 - admin ack test nondeterministically does a check post-upgrade
• OCPBUGS-6913 - PipelineRun task status overlaps status text
• OCPBUGS-6928 - Update OWNERS_ALIASES in release-4.12 branch
• OCPBUGS-6969 - User Preferences - Applications : Resource type drop-down i18n misses
• OCPBUGS-6997 - Update 4.12 ose-machine-config-operator image to be consistent with ART
• OCPBUGS-7025 - Bundle Unpacker Using "Always" ImagePullPolicy for digests
• OCPBUGS-7103 - Agent ISO does not respect proxy settings

CVEs

• CVE-2021-4238
• CVE-2022-41717

References

• https://access.redhat.com/security/updates/classification/#important
• https://docs.openshift.com/container-platform/4.12/release_notes/ocp-4-12-release-notes.html