- Issued:
- 2026-10-05
- Updated:
- 2026-10-05
RHSA-2026:75863 - Security Advisory
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:
Affected Products
- Red Hat Container Native Virtualization
Fixes
(none)amd64
| registry.redhat.io/container-native-virtualization/bridge-marker-rhel9@sha256:dcd7b445ec0a8693f33e336addafcba436c82011165a495296241b10cc8714ec |
| registry.redhat.io/container-native-virtualization/cluster-network-addons-operator-rhel9@sha256:01dc819fcfae78c6ea3c44e7ff0c9c3ab38ed24119f41f18e4a528cbd87262f9 |
| registry.redhat.io/container-native-virtualization/cnv-containernetworking-plugins-rhel9@sha256:d00702511d7f582777c1890ff4ec3f1e1c782204a773928dc6c385b097264085 |
| registry.redhat.io/container-native-virtualization/kubemacpool-rhel9@sha256:be1e2df68637ef725f7c80ae044084dac7d372dbda1eb7f2dec641ec154ed605 |
| registry.redhat.io/container-native-virtualization/kubesecondarydns-rhel9@sha256:817065e36eeccf973563db7ea3da2ec89137ac83dd0a18dd7a440983fc345c6c |
| registry.redhat.io/container-native-virtualization/kubevirt-ipam-controller-rhel9@sha256:97f8d2acea6e635435a232059f548decabc5fd25d6a8d7da1679c80c465bfe25 |
| registry.redhat.io/container-native-virtualization/multus-dynamic-networks-rhel9@sha256:b6157908f9157d61aabc040aff7a96657ecc8032187b79891939a758cb55f0d2 |
| registry.redhat.io/container-native-virtualization/ovs-cni-plugin-rhel9@sha256:c004d91e36cb0b4617cfe94b159bbf2cb98cc9909766db13e43ec1204ae71f3a |
arm64
| registry.redhat.io/container-native-virtualization/bridge-marker-rhel9@sha256:ed9e5f4e984c32d57929d11c36951b748f592f3835f7ad09eb36a711cc6bb6ed |
| registry.redhat.io/container-native-virtualization/cluster-network-addons-operator-rhel9@sha256:f10ae3ba63026b57dd5198dad29ef9f08e3c9adeacc78231de0f80ea3b060ddc |
| registry.redhat.io/container-native-virtualization/cnv-containernetworking-plugins-rhel9@sha256:314c0ed7a5c55b6f56d264c549bda8d1cb54179bd663bcb3792a53435a3ee141 |
| registry.redhat.io/container-native-virtualization/kubemacpool-rhel9@sha256:7bd5c3ff62e13e78a2c1d7488e24a90f4a4b7fb1d337715ff4e6ba72016ef961 |
| registry.redhat.io/container-native-virtualization/kubesecondarydns-rhel9@sha256:3ce3f57d4feb087e70745825de888277519787146f588fc8fbd9b5b6233414c3 |
| registry.redhat.io/container-native-virtualization/kubevirt-ipam-controller-rhel9@sha256:7a23f1cb7041bd1997ae8472a38abf8bd30582197a03aafb0be245e9ed60dd23 |
| registry.redhat.io/container-native-virtualization/multus-dynamic-networks-rhel9@sha256:51fbc68be727bf57307e301cca11222ffa908c24c69e7b53018292eb0b8d4795 |
| registry.redhat.io/container-native-virtualization/ovs-cni-plugin-rhel9@sha256:f85adf0feca29be7a45f6c3e07cd8a941f1d9b25f02291bfadfd9e1abd073e83 |
s390x
| registry.redhat.io/container-native-virtualization/bridge-marker-rhel9@sha256:e4354752da52e03df90a3248ced8d133aba40346de60ff6b96df954f867e331c |
| registry.redhat.io/container-native-virtualization/cluster-network-addons-operator-rhel9@sha256:46a9eabc2c546068bf2c9279bcfe84519875c8f4f8799c1afbf02b67027d5043 |
| registry.redhat.io/container-native-virtualization/cnv-containernetworking-plugins-rhel9@sha256:7b44934f0b358883f5e787d8d7416c799da094172c491fac1597f0f2c65b7a67 |
| registry.redhat.io/container-native-virtualization/kubemacpool-rhel9@sha256:15e7ae611cb75c2a46886eb2dcb2f3906d7149d9d4226292e9395523e8358769 |
| registry.redhat.io/container-native-virtualization/kubesecondarydns-rhel9@sha256:738dfa0ab874d4ac1217e966fbd179ebc953a2a71f9ec4959734a84c2cbc2b5c |
| registry.redhat.io/container-native-virtualization/kubevirt-ipam-controller-rhel9@sha256:f4e26869b26202a6399afd493b3eaa25df9b11a44f1df63d43718218289a8209 |
| registry.redhat.io/container-native-virtualization/multus-dynamic-networks-rhel9@sha256:80a3f2469d90ab3dfc6f6f60947e4f2e5e6b6b2029cc4d9e8f10defb2d19f4f8 |
| registry.redhat.io/container-native-virtualization/ovs-cni-plugin-rhel9@sha256:cc85585d2a7b7e192c7528acd02412976eb4f8a4f86f8db56f325dccd044870e |
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
