Home / mailings [RHSA-2023:0565-01] Important: OpenShift Container Platform 4.11.26 security update
Posted on 07 February 2023
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: OpenShift Container Platform 4.11.26 security update
Advisory ID: RHSA-2023:0565-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0565
Issue date: 2023-02-07
CVE Names: CVE-2021-4238
=====================================================================
1. Summary:
Red Hat OpenShift Container Platform release 4.11.26 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. 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 4.11.26. See the following advisory for the RPM packages for this
release:
https://access.redhat.com/errata/RHBA-2023:0564
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/4.11/release_notes/ocp-4-11-release-notes.html
Security Fix(es):
* goutils: RandomAlphaNumeric and CryptoRandomAlphaNumeric are not as
random as they should be (CVE-2021-4238)
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):
* Topology & Add page breaks on 'default' Project -- No Items In Project
(BZ#2084287)
* kube-controller-manager needs to stop watching all events (BZ#2117679)
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 4.11 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/4.11/updating/updating-cluster-cli.html
3. Solution:
For OpenShift Container Platform 4.11 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/4.11/release_notes/ocp-4-11-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
sha256:1c3913a65b0a10b4a0650f54e545fe928360a94767acea64c0bd10faa52c945a
(For s390x architecture)
The image digest is
sha256:557d3de48b63debd1b3e527628e80c088d2e9e97f7cb58546bacea75404103c2
(For ppc64le architecture)
The image digest is
sha256:3d2fd2d62dfa5a34d50034d896d23e968b7e7dc8c3754be9c176cb682166a90b
(For aarch64 architecture)
The image digest is
sha256:2c3cf3d59faf88f9ba60388aee76184aa7cb371b9e5934be988fb73f81f5e030
All OpenShift Container Platform 4.11 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/4.11/updating/updating-cluster-cli.html.
4. Bugs fixed (https://bugzilla.redhat.com/):
2084287 - Topology & Add page breaks on 'default' Project -- No Items In Project
2117679 - kube-controller-manager needs to stop watching all events
2156729 - CVE-2021-4238 goutils: RandomAlphaNumeric and CryptoRandomAlphaNumeric are not as random as they should be
5. JIRA issues fixed (https://issues.jboss.org/):
OCPBUGS-1991 - kube-controller-manager resource quota controller needs to stop watching all events
OCPBUGS-2938 - Duplicate prometheus rules for API SLOs after upgrade
OCPBUGS-3380 - [release-4.11] CephCluster and StorageCluster resources use the same paths
OCPBUGS-4607 - Implement LIST call chunking in openshift-sdn
OCPBUGS-5349 - [release-4.11] Clusteroperator Available condition is updated every 2 mins when operator is disabled
OCPBUGS-5766 - [4.11] unit test data race with egress ip tests
OCPBUGS-5778 - OCP on OSP - Image registry is deployed with cinder instead of swift storage backend
OCPBUGS-5876 - wal: max entry size limit exceeded
OCPBUGS-5882 - Upgradeability check is throttled too much and with unnecessary non-determinism
OCPBUGS-5928 - [4.11] nodeport not reachable port connection timeout
OCPBUGS-6025 - [release-4.11] gather default ingress controller definition
OCPBUGS-6046 - Sync stable branch for CPO release-1.24 into release-4.11
OCPBUGS-6487 - MetalLB tries to process a service with loadbalancer class set
OCPBUGS-6622 - The MCO can generate a rendered config with old KubeletConfig contents, blocking upgrades
OCPBUGS-6689 - OLM details page crashes on incomplete ClusterServiceVersion resource
OCPBUGS-763 - oc-mirror does not mirror arm64 OCP release payload
6. References:
https://access.redhat.com/security/cve/CVE-2021-4238
https://access.redhat.com/security/updates/classification/#important
7. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
