RHSA-2026:56968: Red Hat OpenShift Data Foundation 4.21.11 security, enhancement & bug fix update

Published Aug 19, 2026
·
Updated

Red Hat OpenShift Data Foundation 4.21.11 security, enhancement & bug fix updateFIXED BUGS:==========DFBUGS-9563: [Backport to odf-4.21.10] Race condition may allow multiple CephCluster reconciles in parallelDFBUGS-8999: [odf-4.21] - [GSS] Red Hat Virtualization VMs in Paused State - "VMI was paused, low-level IO error detected" w/rbd Volumes Impacted and Clients BlocklistedDFBUGS-8997: [4.21] CLONE - The console pod in openshift console is continuously restartingDFBUGS-8957: RHODF 4.21.11 releaseDFBUGS-8200: [Backport to odf-4.21.z] - [GSS] Red Hat Virtualization VMs in Paused State - "VMI was paused, low-level IO error detected" w/rbd Volumes Impacted and Clients BlocklistedDFBUGS-7048: Hide data replication separation option from UI in 4.21 as its not supportedDFBUGS-7003: [Backport to odf-4.21.z] [GSS][Disconnected env] ODF is upgraded itself from ODF v4.20.2 to ODF v4.20.7 without Manual Approval when upgrdaing OCP v4.20.5 to OCP v4.20.16DFBUGS-6995: [Backport to odf-4.21.z] [GSS][ODF] Noobaa DBCLEANER not honoring set valueDFBUGS-6938: [4.21.z] Integrate ibm-storage-odf-operator 1.9.0DFBUGS-6813: release-4.21 - ODF must-gather missing CR storageclusterpeer.yamlDFBUGS-6510: CLONE 4.21 - Object Browser sends unnecessary getObject API callsDFBUGS-6471: CLONE - In storage cluster UI page , tick mark background colour changed from green to black in 4.22DFBUGS-5965: [OLS]: RAG content image is using ODF 4.20 documentation when deployed on OCP/ODF 4.21DFBUGS-4988: ocs-metrics-exporter does not provide metrics during cache refresh

Affected Software

1 affected component
Red Hat OpenShift Data Foundation=4.21.11

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Red Hat OpenShift Data Foundation to a version that resolves this vulnerability.

    Fixed in 4.21.11

Event History

Aug 19, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

Which environments should be prioritized for this update?

The advisory identifies a race condition involving CephCluster reconciliation, where multiple reconciles may run in parallel. It does not specify any additional configuration prerequisites or affected deployment patterns.

2

Which release includes the fix?

The update is identified as Red Hat OpenShift Data Foundation 4.21.11.

3

Is a workaround or detection method provided?

The provided advisory information does not list a workaround, mitigation, or steps to determine whether parallel CephCluster reconciles have already occurred.

Contact

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