RHSA-2024:0043 - Security Advisory

Topic

Red Hat build of MicroShift release 4.16.0 is now available with updates to packages and images that include a security update.

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 build of MicroShift is Red Hat's light-weight Kubernetes orchestration solution designed for edge device deployments and is built from the edge capabilities of Red Hat OpenShift Container Platform. MicroShift is an application that is deployed on top of Red Hat Enterprise Linux devices at the edge, providing an efficient way to operate single-node clusters in these low-resource environments.

This advisory contains the RPM packages for Red Hat build of MicroShift 4.16.0. Read the following advisory for the container images for this release:

https://access.redhat.com/errata/RHSA-2024:0041

All Red Hat build of MicroShift 4.16 users are advised to use these updated packages and images when they are available in the RPM repository.

Security Fix(es):

• golang-protobuf: encoding/protojson, internal/encoding/json: infinite

loop in protojson.Unmarshal when unmarshaling certain forms of invalid JSON
(CVE-2024-24786)

• kubernetes: kube-apiserver: bypassing mountable secrets policy imposed by

the ServiceAccount admission plugin (CVE-2024-3177)

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.

Solution

For MicroShift 4.16, read the following documentation, which will be
updated shortly for this release, for important instructions on how to
install the latest RPMs and fully apply this asynchronous errata update:

https://access.redhat.com/documentation/en-us/red_hat_build_of_microshift/4.16/html/release_notes/index

Affected Products

• Red Hat OpenShift Container Platform 4.16 for RHEL 9 x86_64
• Red Hat OpenShift Container Platform for Power 4.16 for RHEL 9 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.16 for RHEL 9 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.16 for RHEL 9 aarch64

Fixes

• BZ - 2268046 - CVE-2024-24786 golang-protobuf: encoding/protojson, internal/encoding/json: infinite loop in protojson.Unmarshal when unmarshaling certain forms of invalid JSON
• BZ - 2274118 - CVE-2024-3177 kubernetes: kube-apiserver: bypassing mountable secrets policy imposed by the ServiceAccount admission plugin
• OCPBUGS-24444 - MicroShift greenboot reports RED when no volume groups exist
• OCPBUGS-24689 - MicroShift's cleanup script should stop and delete all (including user's) Pods
• OCPBUGS-25784 - MicroShift OLM RPM is missing its release info file
• OCPBUGS-21901 - [MicroShift] SERVFAIL due to "[ERROR] plugin/errors: dns: overflowing header size"
• OCPBUGS-23336 - Setting the advertiseAddress in the microshift config.yaml file leads to CrashLoopBackOff for the ovnkube-master pod
• OCPBUGS-25030 - Update 4.16 ovn-kubernetes-microshift-container image to be consistent with ART
• OCPBUGS-27849 - microshift-olm-release-info RPM is missing
• OCPBUGS-29037 - SSL Medium Strength Cipher Suites Supported for kube-controller-manager, kube-scheduler, kubelet
• OCPBUGS-29847 - Pod security of openshift-marketplace namespace is too restrictive (should be "baseline")
• OCPBUGS-30807 - microshift-etcd unclean shutdown can cause start failures
• OCPBUGS-30833 - built-in load balancer conflicts with metallb
• OCPBUGS-31739 - MicroShift OVN pods should not write to the /opt/cni/bin host directory
• OCPBUGS-32946 - After running OCP-73203, host ip on ovn-k8s-mp0 was present in the load balancer ips
• OCPBUGS-30039 - The openssl image used in MicroShift is pulled from an unauthenticated registry
• OCPBUGS-33588 - Upgrade to openvswitch 3.3 for 4.16

CVEs

• CVE-2024-3177
• CVE-2024-24786

References

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