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Red Hat OpenShift 4.11.28 RHSA-2023:0774-01 Important: DoS Impact

red hat
Calendar Grey February 22, 2023
Scroller Redhat
Red Hat OpenShift Container Platform 4.11.29 enhances system stability and security. New software packages and container images are provided.
Red Hat OpenShift Container Platform release 4.11.28 is now available with updates to packages and images that fix several bugs and add enhancements

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.redhat.com/en/documentation/openshift_container_platform/4.11/html/release_notes/ocp-4-11-release-notes

You can download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests can 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 sha256:85238bc3eddb88e958535597dbe8ec6f2aa88aa1713c2e1ee7faf88d1fefdac0

(For s390x architecture) The image digest is sha256:96528500690870b001c214ed0b142b5b375494ddfd99de274285ae6eacd318bb

(For ppc64le architecture) The image digest is sha256:0821035d379a4cab1147669bac5f42139b9839e780394e8586e29800e79789bd

(For aarch64 architecture) The image digest is sha256:a5c6196590d47b5ca8578e35c23da47cb103947271ab5deb21c8d258de62a777

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.redhat.com/en/documentation/openshift_container_platform/4.11/html/updating_clusters/updating-cluster-cli

Summary

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 4.11.28. See the following advisory for the RPM packages for this release:
https://access.redhat.com/errata/RHBA-2023:0773
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.redhat.com/en/documentation/openshift_container_platform/4.11/html/release_notes/ocp-4-11-release-notes
Security Fix(es):
* goutils: RandomAlphaNumeric and CryptoRandomAlphaNumeric are not as random as they should be (CVE-2021-4238)
* golang: out-of-bounds read in golang.org/x/text/language leads to DoS (CVE-2021-38561)
* 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 4.11 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.redhat.com/en/documentation/openshift_container_platform/4.11/html/updating_clusters/updating-cluster-cli

Topics%20covered

Topics Covered

security advisory security update Red Hat DoS important software enhancement OpenShift

References

https://access.redhat.com/security/cve/CVE-2021-4238 https://access.redhat.com/security/cve/CVE-2021-38561 https://access.redhat.com/security/cve/CVE-2022-2879 https://access.redhat.com/security/cve/CVE-2022-2880 https://access.redhat.com/security/cve/CVE-2022-4337 https://access.redhat.com/security/cve/CVE-2022-4338 https://access.redhat.com/security/cve/CVE-2022-23521 https://access.redhat.com/security/cve/CVE-2022-41715 https://access.redhat.com/security/cve/CVE-2022-41717 https://access.redhat.com/security/cve/CVE-2022-41903 https://access.redhat.com/security/updates/classification/#important https://docs.redhat.com/en/documentation/openshift_container_platform/4.11/html/release_notes/ocp-4-11-release-notes

Package List


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:0774-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0774
Issue date: 2023-02-21

Topic

Red Hat OpenShift Container Platform release 4.11.28 is now available withupdates to packages and images that fix several bugs and add enhancements.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat DoS important software enhancement OpenShift

Relevant Releases Architectures

Bugs Fixed

2100495 - CVE-2021-38561 golang: out-of-bounds read in golang.org/x/text/language leads to DoS

2156729 - CVE-2021-4238 goutils: RandomAlphaNumeric and CryptoRandomAlphaNumeric are not as random as they should be

2161274 - CVE-2022-41717 golang: net/http: An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests

5. JIRA issues fixed (https://redhat.atlassian.net/jira/projects):

OCPBUGS-3942 - Whereabouts CNI timesout while iterating exclude range [backport 4.11]

OCPBUGS-5245 - [release-4.11] OVNK: NAT issue for packets exceeding check_pkt_larger() for NodePort services that route to hostNetworked pods

OCPBUGS-6492 - Inconsistent user expeience for creating new projects after persmissions have been revoked

OCPBUGS-6851 - admin ack test nondeterministically does a check post-upgrade

OCPBUGS-7010 - [release-4.11] Egress FW ACL rules are invalid in dualstack mode

OCPBUGS-7319 - [4.11] [OVNK] Add support for service session affinity timeout

OCPBUGS-7330 - When setting allowedRegistries urls the openshift-samples operator is degraded

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