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Red Hat Advanced Cluster Security for Kubernetes 3.69 | Release notes | Red Hat Advanced Cluster Security for Kubernetes 3.69
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Red Hat Advanced Cluster Security for Kubernetes 3.69

Red Hat Advanced Cluster Security for Kubernetes (RHACS) 3.69 includes feature enhancements, bug fixes, scale improvements, and other changes.

  • 3.69.0 Release date: March 21, 2022

  • 3.69.1 Release date: April 6, 2022

  • 3.69.2 Release date: June 22, 2022

Because of an unexpected schema change in an upstream vulnerability feed on 20 October 2022, Red Hat published a corrupted CVE data file to https://definitions.stackrox.io, and many Central instances downloaded the corrupted file. As a result, when Central processes the corrupted feed data, it fails and enters a CrashLoopBackOff state. Although Red Hat has already taken steps to fix the corrupted CVE data file, already affected Central instances do not automatically get out of the CrashLoopBackOff state. To get Central back to working condition, follow the instructions at Central in CrashLoopBackOff - 2022-10-20 Incident.

New features

Released in version 3.69.1

Release date: April 6, 2022

Scanning of the integrated OpenShift Container Registry

Red Hat Advanced Cluster Security for Kubernetes 3.69.1 includes a lightweight version of Scanner delivered as part of the secured cluster services on OpenShift Container Platform to more effectively scan the OpenShift Container Registry. For OpenShift Container Platform users who do not use the Red Hat Advanced Cluster Security for Kubernetes Operator, Red Hat advises you to update your helm charts to take advantage of these new capabilities.

Improved detection of Spring vulnerabilities

RHACS 3.69.1 includes enhancements in Scanner to identify vulnerabilities in packages that follow the Spring naming conventions. Scanner now detects Spring packages impacted by the newly discovered critical vulnerabilities CVE-2022-22963 and CVE-2022-22965 (Spring4Shell).

Released in version 3.69.0

Release date: March 21, 2022

New policies to manage operational deployment readiness

With Red Hat Advanced Cluster Security for Kubernetes 3.69, you can now set policies to define the operational readiness of a deployment. New policies include checks for liveness and readiness probes and predefined replica counts.

Inactive software component identification

You can now quickly identify if a software package inside a container image is inactive. You can use this information to consider removing the inactive software package as a hardening step or for vulnerability remediation.

Vulnerability scanning enhancements

Scanner includes the following new capabilities:

  • Support for Alpine 3.15

  • Scanner now identifies busybox as a base operating system.

  • Ubuntu vulnerability reference links now point to the updated address https://ubuntu.com/security/.

Important bug fixes

Resolved in version 3.69.2

Release date: June 22, 2022

ROX-11489: CVE-2022-1902: Previously, improper sanitization allowed authenticated users to retrieve Notifier secrets from the GraphQL API. This flaw has been fixed.

Resolved in version 3.69.0

Release date: March 21, 2022

  • ROX-9587: Previously, emailed vulnerability reports were incompatible with some e-mail clients. This issue has been fixed.

  • ROX-9166: Previously, snoozed CVEs that were unsnoozed were not reported in CI when scanning images. This issue has been fixed.

  • ROX-9400: Previously, RHACS did not remove the related service accounts when you deleted a cluster. This issue has been fixed.

  • ROX-9483: Previously, certain search conditions using a process name could sometimes cause Central to stop responding. This issue has been fixed.

Important system changes

  • Red Hat has changed the default grpcPort in Scanner’s configuration map to 8443.

  • Red Hat is deprecating the following API endpoints:

    • /v1/clusters-env/kernel-support-available: Use /v1/cluster-defaults instead.

    • /v1/helm/cluster/add: Use the helm charts directly.

    • Empty values for role.access_scope_id is deprecated in the RoleService_CreateRole and RoleService_UpdateRole methods for the /v1/roles/ endpoint. It is now set to the unrestricted access scope ID io.stackrox.authz.accessscope.unrestricted.

Redesigned policy creation workflow

Red Hat Advanced Cluster Security for Kubernetes 3.69 includes more intuitive and easier-to-use policy creation and editing workflows.

Enhancements to sorting and filtering image vulnerabilities

Red Hat Advanced Cluster Security for Kubernetes 3.69 includes new fields for vulnerabilities contained within an image that you use to sort and filter the vulnerabilities list.

Enhanced compatibility with UEFI secure boot

Collector is incompatible with UEFI secure boot when collecting runtime data using kernel modules. In Red Hat Advanced Cluster Security for Kubernetes 3.69, when Collector detects that the host is using UEFI secure boot, it automatically fails over to use EBPF probes to prevent service disruption.

Scanner memory limit increases

Red Hat has increased the default Scanner memory limit from 3000 MiB to 4 GiB.

Known issues

  • ROX-9750: The FROM instruction in the DISALLOWED DOCKERFILE LINE policy field is not recognized by RHACS. For example, creating a policy that disallows FROM:unwanted.example.com in the Dockerfile does not generate a policy violation.

Deprecation notice

Red Hat is deprecating some of the features in Red Hat Advanced Cluster Security for Kubernetes 3.69. Red Hat will remove these deprecated features in the following release:

  • Red Hat Advanced Cluster Security for Kubernetes 3.71.0:

    • External authorization plug-in for scoped access control. Use the existing in-product scoped access control.

    • Anchore, Tenable, and Docker Trusted Registry integrations. The RHACS scanner supersedes these integrations.

    • Alerts and Process Comments.

  • Red Hat Advanced Cluster Security for Kubernetes 3.70.0:

    • Red Hat Advanced Cluster Security for Kubernetes will not allow deleting default policies. So rather than deleting, you can disable default policies that you do not need.

    • The /v1/policies API endpoint response will not return the field response body parameter.

  • In RHACS 3.70, Red Hat will remove the support for security policies that do not have a policyVersion. Therefore, if you have externally stored older policies (without policyVersion or version prior to 1.1), you must convert them to use policyVersion 1.1. To do this, import the old policies into RHACS and then export them again. You can check the policyVersion field for your stored policies to identify if they need conversion.

For any questions, please contact the Red Hat support team at support@redhat.com.

Image versions

Image Description Current version

Main

Includes Central, Sensor, Admission Controller, and Compliance. Also includes roxctl for use in continuous integration (CI) systems.

registry.redhat.io/advanced-cluster-security/rhacs-main-rhel8:3.69.2

Scanner

Scans images and nodes.

registry.redhat.io/advanced-cluster-security/rhacs-scanner-rhel8:3.69.2

Scanner DB

Stores image scan results and vulnerability definitions.

registry.redhat.io/advanced-cluster-security/rhacs-scanner-db-rhel8:3.69.2

Collector

Collects runtime activity in Kubernetes or OpenShift Container Platform clusters.

registry.redhat.io/advanced-cluster-security/rhacs-collector-rhel8:3.69.2 registry.redhat.io/advanced-cluster-security/rhacs-collector-slim-rhel8:3.69.2