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Red Hat Product Errata RHSA-2026:98924 - Security Advisory
Issued:
2026-11-11
Updated:
2026-11-11

RHSA-2026:98924 - Security Advisory

  • Overview
  • Updated Images

Synopsis

OpenShift Virtualization v4.21 Images

Type/Severity

Security Advisory: Important

Topic

Red Hat OpenShift Virtualization release v4.21 is now available with updates to packages and images that fix several bugs and add enhancements.

Description

OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform.

This advisory contains OpenShift Virtualization v4.21 images.

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Container Native Virtualization

Fixes

(none)

CVEs

  • CVE-2026-56853

References

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

amd64

registry.redhat.io/container-native-virtualization/bridge-marker-rhel9@sha256:b9f5484f65a1ba5fc5c1c7e368382b024c8036f59552d4a9de520dc6ed9ba5ef
registry.redhat.io/container-native-virtualization/cluster-network-addons-operator-rhel9@sha256:5f1c104cf2bf7ed9d2f8e207eefa51f484aa2add62c4995efabcc8eb1cd8b683
registry.redhat.io/container-native-virtualization/cnv-containernetworking-plugins-rhel9@sha256:59f0cc9236c93739931e13c0a0310d30138284a8686d724243499cdb4bda8e67
registry.redhat.io/container-native-virtualization/kubemacpool-rhel9@sha256:c4bf07846af1ece4f4f63f2ef7a555bf018bdda5a224cb27f8f7788504518f17
registry.redhat.io/container-native-virtualization/kubesecondarydns-rhel9@sha256:3ef12ec728a5459f12f3555335d7062a95723d35838404a994747a9e989fed24
registry.redhat.io/container-native-virtualization/kubevirt-ipam-controller-rhel9@sha256:a3acc4d4431712f186bbff2c3730aaa26076532676204eca0a05cc032d902359
registry.redhat.io/container-native-virtualization/multus-dynamic-networks-rhel9@sha256:855f90a62b6332084c5d294ad834fd1b1f730c9cb2b6a2f0bb6dd1557157f2c0
registry.redhat.io/container-native-virtualization/ovs-cni-plugin-rhel9@sha256:8d2b530b298e5bf622704e0b23cda3aff5307f231e7215f5494fc3581976516f

arm64

registry.redhat.io/container-native-virtualization/bridge-marker-rhel9@sha256:c07c1ea6e94110b9aeb023e14e864512d4093b8bb77f4f7ce1b0a7eecf0f7d09
registry.redhat.io/container-native-virtualization/cluster-network-addons-operator-rhel9@sha256:28318b32744215349eea608d171d9df92eeb1b031909eaa527a5591a33a09c05
registry.redhat.io/container-native-virtualization/cnv-containernetworking-plugins-rhel9@sha256:c382e79ddb55e390bf517b0cee99c2e0d26be6da5ec2e4fd9f50c4c65b41a9b5
registry.redhat.io/container-native-virtualization/kubemacpool-rhel9@sha256:3d493fb433a55a457b2f6c050a95d0c9b0a4d2adb7021e62a07f4e2cdcbab75f
registry.redhat.io/container-native-virtualization/kubesecondarydns-rhel9@sha256:de2a5f40aad37a8c165c985338fe4b19ea59316bb8a3124f862a410ac6ac1d39
registry.redhat.io/container-native-virtualization/kubevirt-ipam-controller-rhel9@sha256:12268f4570309d491a96a475a0dceeb4617224c732f0f4dc29bda73a246c2b2e
registry.redhat.io/container-native-virtualization/multus-dynamic-networks-rhel9@sha256:6d0e342826b634b8b1a2d40d6a20e390470348c26fc540c6663f37071c8b5477
registry.redhat.io/container-native-virtualization/ovs-cni-plugin-rhel9@sha256:1429a4a26e7646ac3e17acd6db8116da1201ea47b41a308ef23a34acb9dc55aa

s390x

registry.redhat.io/container-native-virtualization/bridge-marker-rhel9@sha256:b316b2df43e4f15831e025ea0c1159877262fd5a3632039d3a196dd92cb9a627
registry.redhat.io/container-native-virtualization/cluster-network-addons-operator-rhel9@sha256:bb635cef0a0b46850698bc0cd7ae6ba94a666b14f316b92b76bb11e195028475
registry.redhat.io/container-native-virtualization/cnv-containernetworking-plugins-rhel9@sha256:21b78576d055273fc494d112e52c5801cfb5ec16b912475678717767ead45d64
registry.redhat.io/container-native-virtualization/kubemacpool-rhel9@sha256:4dd8b6af1937fc540fb0052ad75bcb125e9f9ee9440aebe9e83a9f7c99d47ec8
registry.redhat.io/container-native-virtualization/kubesecondarydns-rhel9@sha256:f7e5d58573d7afe1899255f07579cae9ad927874cc1b5ae88ebb1dc1199fe121
registry.redhat.io/container-native-virtualization/kubevirt-ipam-controller-rhel9@sha256:9e5056e2c63b2d4eb297957aa1fd6bbabc4d2bc7ebb478c66c149aaba1abd92c
registry.redhat.io/container-native-virtualization/multus-dynamic-networks-rhel9@sha256:0e56088fac57bb967978cdf7cb43006ac1d007780dd82a84e593087b3d60e7df
registry.redhat.io/container-native-virtualization/ovs-cni-plugin-rhel9@sha256:93766548363f7434c146134c58dbe71b8c5dc262a6cc6d269dcdf2f1347dbf59

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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