- Issued:
- 2026-08-11
- Updated:
- 2026-08-14
RHSA-2026:53728 - 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/libguestfs-tools-rhel9@sha256:4bf86c788191a8d81cf0659752510469c999c676fad359ef790c8c5ad9add216 |
| registry.redhat.io/container-native-virtualization/passt-network-binding-plugin-cni-rhel9@sha256:2e9f6b38bbf4e6a48c4b936b4b5eb116be237f507f017345e1f7ca79ebdc7a15 |
| registry.redhat.io/container-native-virtualization/passt-network-binding-plugin-sidecar-rhel9@sha256:1ec852eb243c7ce9244887ecce91f42801f88efd91f314de1524ed89f601f9fe |
| registry.redhat.io/container-native-virtualization/pr-helper-rhel9@sha256:98187476f1fa8fa9c91663ccb64995d77e880c47d44d3930ab642a71baed3923 |
| registry.redhat.io/container-native-virtualization/sidecar-shim-rhel9@sha256:a915d646b8b62d50b00ad020ccc0f108bd0d7ffa25bcd61df28b1afa1c4728df |
| registry.redhat.io/container-native-virtualization/virt-api-rhel9@sha256:867646b237904d2808d847f56c66917ba796c6095c1a28a0272df1c084695ea7 |
| registry.redhat.io/container-native-virtualization/virt-artifacts-server-rhel9@sha256:8af23e4ed67b50a6232d3a4276226e2a9bc957e067a96047fcfcaf6df017a0ef |
| registry.redhat.io/container-native-virtualization/virt-controller-rhel9@sha256:32fb284469021d61a0c9161ad272c7e1a7b7d855f559ceafbc9f2015e5f1b9fa |
| registry.redhat.io/container-native-virtualization/virt-exportproxy-rhel9@sha256:bdc0ee85eaf2ce54ff4933086306350dc52aa39eb3a3b5bbda52d0dab04441ad |
| registry.redhat.io/container-native-virtualization/virt-exportserver-rhel9@sha256:1eef40bdfc3b353816016f9c2047313a16f566cd6be51cd613123147981317f0 |
| registry.redhat.io/container-native-virtualization/virt-handler-rhel9@sha256:4bc826cd918ef240ef3d295f7d9c4b3eb853a9df476397b861417a1a217cd0d2 |
| registry.redhat.io/container-native-virtualization/virt-launcher-rhel9@sha256:6a30771dad664d0a2d35a5596fcbaca37591397aadf85538dde84c9d80bf37c1 |
| registry.redhat.io/container-native-virtualization/virt-operator-rhel9@sha256:2e46c6e7a3634b1203117fa2b74aa7bc4049f352d5cf2fbcd9cb8fd44e9d6408 |
| registry.redhat.io/container-native-virtualization/virt-synchronization-controller-rhel9@sha256:719fd22a5a06fbbf42363ee4af91585d04b984657c51554c4f803a2d977d1d68 |
arm64
| registry.redhat.io/container-native-virtualization/libguestfs-tools-rhel9@sha256:da35e3474aefdd42b58d4e9498df8a348162c682804d5d61ac8e50aeaa3b2b98 |
| registry.redhat.io/container-native-virtualization/passt-network-binding-plugin-cni-rhel9@sha256:2d575188efd31a74486322d84e84e62c0dd6a2ee542db8cd3ad8c99b7cd9f7d3 |
| registry.redhat.io/container-native-virtualization/passt-network-binding-plugin-sidecar-rhel9@sha256:1446ba7d65f480a5036e528dad8ae7126b604423ea1cb6fb626ceab4d21a644b |
| registry.redhat.io/container-native-virtualization/pr-helper-rhel9@sha256:581e2109e7a5953761984290f10e84a478bd75bc73b5d900b5956ddc319ef315 |
| registry.redhat.io/container-native-virtualization/sidecar-shim-rhel9@sha256:36a8ac5f07d563a8e3fe8ab1499e7e3966c4ae352981dc0e857cbf6a880f579f |
| registry.redhat.io/container-native-virtualization/virt-api-rhel9@sha256:43f112bebd52d117d69a03a343ff4eeeca46e02371523b87eb710740a1d5c47e |
| registry.redhat.io/container-native-virtualization/virt-artifacts-server-rhel9@sha256:98f9b5b0ee258e562a751f27bb68b7edb49e50f9e9febe3297a1892331264ffb |
| registry.redhat.io/container-native-virtualization/virt-controller-rhel9@sha256:ecc15205fcb67e4ed55401617cd3a310880c0220fb347891c7f74a764f2968c4 |
| registry.redhat.io/container-native-virtualization/virt-exportproxy-rhel9@sha256:5f97f71d3c8654e6728203276d1e348cc3ab38c85ad1f8f971afb3882cc2509c |
| registry.redhat.io/container-native-virtualization/virt-exportserver-rhel9@sha256:4ef6cfdb1d3e85bd7579dc7874e03882b638de56fffd9eecd2cb33b854ee89c1 |
| registry.redhat.io/container-native-virtualization/virt-handler-rhel9@sha256:10156cf12af87b139f80acb9c08ac4e7b5b03552fa96c4ae9599d542481d1eb3 |
| registry.redhat.io/container-native-virtualization/virt-launcher-rhel9@sha256:050c639907111c3b317159a5aa49e1a0fd4c967cc61b02aa3141629d31c803b0 |
| registry.redhat.io/container-native-virtualization/virt-operator-rhel9@sha256:a7239dc7dd37fc8fd37d62bcbd8e2181a5d56daae0fd7417287c55b5b82c2ba0 |
| registry.redhat.io/container-native-virtualization/virt-synchronization-controller-rhel9@sha256:f720e2dc90a9bff3f7ea5b270462c84466c2feb6830d26d15b41b09755c0f0d8 |
s390x
| registry.redhat.io/container-native-virtualization/libguestfs-tools-rhel9@sha256:f9f4560f8c8b7461ccdffc712ab05ac7accd0222e32cbf322030f7efacdd0752 |
| registry.redhat.io/container-native-virtualization/passt-network-binding-plugin-cni-rhel9@sha256:9044ead847df9b0a56d0f4aeaa6d9052c0d69e57f20555aa0981605752aee375 |
| registry.redhat.io/container-native-virtualization/passt-network-binding-plugin-sidecar-rhel9@sha256:279df5ddd149cd31ca26dae46e154410ba3394b3e72488de19e1112c9bf84e70 |
| registry.redhat.io/container-native-virtualization/pr-helper-rhel9@sha256:769969f04a3c4bdd964720db6784a86402305c58d16aea45d11294b388eea32a |
| registry.redhat.io/container-native-virtualization/sidecar-shim-rhel9@sha256:3c9095ca3261e747f5735ba2bd50e19e3c638ed22e01aa6310d993ef13c7c39a |
| registry.redhat.io/container-native-virtualization/virt-api-rhel9@sha256:f5d6ec45cba17236c5d9b14bb0de46fd3970020bd4d3cc9529017379a7d7b867 |
| registry.redhat.io/container-native-virtualization/virt-artifacts-server-rhel9@sha256:8517080f3b37b9ac0eca41f7c2298a7ac273c6ade123a54edd38ed2956b58480 |
| registry.redhat.io/container-native-virtualization/virt-controller-rhel9@sha256:c98085fbcc4fb39353b662a5ac3b641b0dcf4c224fc90d01060fc67097b7d855 |
| registry.redhat.io/container-native-virtualization/virt-exportproxy-rhel9@sha256:8968223352116fe4e3c01301eaa399303746a2ca052c06e3680ddf6452a4326a |
| registry.redhat.io/container-native-virtualization/virt-exportserver-rhel9@sha256:55c543a425b3c6d4253ed8da84186613942f1a2d4c6a92baebe7af4969232687 |
| registry.redhat.io/container-native-virtualization/virt-handler-rhel9@sha256:fd278c9564c15739424f80677c46983e453922763165cb581e86bc822edcbb1e |
| registry.redhat.io/container-native-virtualization/virt-launcher-rhel9@sha256:adb71cc21725b24648f22d3d458e26ff749cee8d1ce9ecbff3c75f8a30fcd602 |
| registry.redhat.io/container-native-virtualization/virt-operator-rhel9@sha256:9d174f69c1dbb2a5f728e40412adca0cb22c8c807b4a0fc9b6a45acfa9bc1b87 |
| registry.redhat.io/container-native-virtualization/virt-synchronization-controller-rhel9@sha256:c7ba1f288436120dcd436a00a0d5359fc6848895be937ac0c768dd15467b136d |
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
