RHSA-2023:0899 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.10.53 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 4.10.

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 RPM packages for Red Hat OpenShift Container Platform 4.10.53. See the following advisory for the container images for this release:

https://access.redhat.com/errata/RHBA-2023:0898

Security Fix(es):

• goutils: RandomAlphaNumeric and CryptoRandomAlphaNumeric are not as random as they should be (CVE-2021-4238)
• go-yaml: Improve heuristics preventing CPU/memory abuse by parsing malicious or large YAML documents (CVE-2022-3064)
• 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 4.10 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/4.10/updating/updating-cluster-cli.html

Solution

For OpenShift Container Platform 4.10 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/4.10/release_notes/ocp-4-10-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 sha256:0f683cf611bd6f2d3ab045b52df0fcda8adefa086e6ee80c5551275e5692cd8c

(For s390x architecture)
The image digest is sha256:1b9f19ab333e2b8d5d86e03dbfdbdfa731174fc07469e89bf1d009f9c07fab0e

(For ppc64le architecture)
The image digest is sha256:78a9d2dc1ed7bdfc844018f5c9fbe95659e6650353ea81cd628ee6d485b4c509

(For aarch64 architecture)
The image digest is sha256:aaaffe6fde419d0b75c85742ba4adc1aa1698d0f4bad1149241a92ad5290f543

All OpenShift Container Platform 4.10 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/4.10/updating/updating-cluster-cli.html

Affected Products

• Red Hat OpenShift Container Platform 4.10 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.10 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.10 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.10 aarch64

Fixes

• BZ - 2092895 - Incorrect updating of EgressACLs using direction "from-lport"
• 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
• BZ - 2163037 - CVE-2022-3064 go-yaml: Improve heuristics preventing CPU/memory abuse by parsing malicious or large YAML documents
• OCPBUGS-2013 - 4.10: When adding nodes, the overlapped node-subnet can be allocated.
• OCPBUGS-2731 - OpenStack UPI scripts do not create server group for Computes
• OCPBUGS-3656 - [release-4.10] DUALSTACK Intermittent service reach-ability failures on OVN-K amid allow from same namespace networkpolicy
• OCPBUGS-3943 - Whereabouts CNI timesout while iterating exclude range [backport 4.10]
• OCPBUGS-5974 - OCP on OSP - Image registry is deployed with cinder instead of swift storage backend
• OCPBUGS-6697 - Uninstall fails with Observed a panic: runtime.boundsError
• OCPBUGS-6911 - NMstate removes egressip in OpenShift cluster with SDN plugin
• OCPBUGS-6933 - Update OWNERS_ALIASES in release-4.10 branch
• OCPBUGS-6972 - Image registry Operator does not use Proxy when connecting to openstack
• OCPBUGS-7012 - [release-4.10] Egress FW ACL rules are invalid in dualstack mode
• OCPBUGS-7315 - Manifests lint issue
• OCPBUGS-7533 - [4.10] coreos-installer output not available in the logs

CVEs

• CVE-2021-4238
• CVE-2022-3064
• CVE-2022-4337
• CVE-2022-4338
• CVE-2022-41717

References

• https://access.redhat.com/security/updates/classification/#important
• https://docs.openshift.com/container-platform/4.10/release_notes/ocp-4-10-release-notes.html