Red Hat Product Errata RHBA-2026:17921 - Bug Fix Advisory
Issued:
2026-05-20
Updated:
2026-05-20

RHBA-2026:17921 - Bug Fix Advisory

Synopsis

Red Hat build of MicroShift 4.20.23 bug fix and enhancement update

Type/Severity

Bug Fix Advisory

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Red Hat build of MicroShift release 4.20.23 is now available with updates to packages and images that fix several bugs.

Description

Red Hat build of MicroShift is Red Hat's light-weight Kubernetes orchestration solution designed for edge device deployments and is built from the edge capabilities of Red Hat OpenShift. MicroShift is an application that is deployed on top of Red Hat Enterprise Linux devices at the edge, providing an efficient way to operate single-node clusters in these low-resource environments.

This advisory contains the RPM packages for Red Hat build of MicroShift 4.20.23. Read the following advisory for the container images for this release:

https://access.redhat.com/errata/RHSA-2026:17468

All of the bug fixes may not be documented in this advisory. Read the following release notes documentation for details about these changes:

https://docs.redhat.com/en/documentation/red_hat_build_of_microshift/4.20/html/red_hat_build_of_microshift_release_notes/index

All Red Hat build of MicroShift 4.20 users are advised to use these updated packages and images when they are available in the RPM repository.

Solution

For MicroShift 4.20.23, read the following documentation for important instructions on how to install the latest RPMs and fully apply this asynchronous errata update:

https://docs.redhat.com/en/documentation/red_hat_build_of_microshift/4.20/html/red_hat_build_of_microshift_release_notes/index

Affected Products

  • Red Hat OpenShift Container Platform 4.20 for RHEL 9 x86_64
  • Red Hat OpenShift Container Platform for Power 4.20 for RHEL 9 ppc64le
  • Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.20 for RHEL 9 s390x
  • Red Hat OpenShift Container Platform for ARM 64 4.20 for RHEL 9 aarch64

Fixes

(none)

CVEs

(none)

References

(none)

Red Hat OpenShift Container Platform 4.20 for RHEL 9

SRPM
microshift-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.src.rpm SHA-256: a40954f28707c2370c20bda22d0bc84057508263dfc74fe4b6f9209ff56185b8
x86_64
microshift-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.x86_64.rpm SHA-256: 6ed1b2dcd30dbce37338ab57d6e7c6edaf2b03712bde938728a003f659bd3bd4
microshift-ai-model-serving-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.x86_64.rpm SHA-256: 2da3a658baddf4daf29794ec62603da10ceb95dfe8303d941745acb255c98817
microshift-ai-model-serving-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: a6dc16a1f9a66723d3fdf0d37f351925ac5022f2526e44182e13594a8247256d
microshift-cert-manager-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.x86_64.rpm SHA-256: 741cfbc86198d1dbb308f476e62b6c3b46e0e1706a11e9c39b60ef1b11da4f64
microshift-cert-manager-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 49c48c357ee0f2603cd71759cb0b4f0bcc33d24fafb4039381b494627b3df7fe
microshift-gateway-api-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.x86_64.rpm SHA-256: fbaee34d4f21414debc53a902cece95895745c942b3055958e5d93d54b9ce0d3
microshift-gateway-api-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: b799d8441c28effa61e2421c8bd71a789b66e27394ed429bbf32d34002c20105
microshift-greenboot-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 44824dd2485c5f12e71818bc4e1944edc93289233183b8f8310ed4d165c4789c
microshift-low-latency-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 8961812aa44a3dd047e3c2d3682c189e422f9dc7f24cd8da6c4992d03fdea659
microshift-multus-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.x86_64.rpm SHA-256: 8591b29d649402c897baaf59c0ef984eb821630931843b14645a1271b4712dc4
microshift-multus-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 8a5351e52b7d57f2beaf085e8e96b75f5a782da1351d3e3fdc4b7d849624f47a
microshift-networking-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.x86_64.rpm SHA-256: b97509c79001d35a70a4889c02b89e33722715eee6c1638d331318bf4ab2ca02
microshift-observability-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 02198f24350cb7a24931dca9f8fdf5648a2f0ccd24dad3cda3cbda53e326c075
microshift-olm-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.x86_64.rpm SHA-256: 22ffe46e82abff33f02acd8f6086bcc8b7bdc2133239eb944c9086fef5c4770e
microshift-olm-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 9c296bc1107d0c6b74a087f2352af75a8553ebb696f081a00d1d6d02987db443
microshift-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 942ee0402aa362c8fcfe5613bd0b8373033995ee68e62c8eb1df00b710b40c1c
microshift-selinux-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 6522e4fa275e9119e7c5fc12de22ae5da52713d2134e9166eea925734f0dc1ca

Red Hat OpenShift Container Platform for Power 4.20 for RHEL 9

SRPM
microshift-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.src.rpm SHA-256: a40954f28707c2370c20bda22d0bc84057508263dfc74fe4b6f9209ff56185b8
ppc64le
microshift-ai-model-serving-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: a6dc16a1f9a66723d3fdf0d37f351925ac5022f2526e44182e13594a8247256d
microshift-cert-manager-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 49c48c357ee0f2603cd71759cb0b4f0bcc33d24fafb4039381b494627b3df7fe
microshift-gateway-api-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: b799d8441c28effa61e2421c8bd71a789b66e27394ed429bbf32d34002c20105
microshift-greenboot-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 44824dd2485c5f12e71818bc4e1944edc93289233183b8f8310ed4d165c4789c
microshift-low-latency-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 8961812aa44a3dd047e3c2d3682c189e422f9dc7f24cd8da6c4992d03fdea659
microshift-multus-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 8a5351e52b7d57f2beaf085e8e96b75f5a782da1351d3e3fdc4b7d849624f47a
microshift-observability-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 02198f24350cb7a24931dca9f8fdf5648a2f0ccd24dad3cda3cbda53e326c075
microshift-olm-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 9c296bc1107d0c6b74a087f2352af75a8553ebb696f081a00d1d6d02987db443
microshift-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 942ee0402aa362c8fcfe5613bd0b8373033995ee68e62c8eb1df00b710b40c1c
microshift-selinux-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 6522e4fa275e9119e7c5fc12de22ae5da52713d2134e9166eea925734f0dc1ca

Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.20 for RHEL 9

SRPM
microshift-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.src.rpm SHA-256: a40954f28707c2370c20bda22d0bc84057508263dfc74fe4b6f9209ff56185b8
s390x
microshift-ai-model-serving-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: a6dc16a1f9a66723d3fdf0d37f351925ac5022f2526e44182e13594a8247256d
microshift-cert-manager-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 49c48c357ee0f2603cd71759cb0b4f0bcc33d24fafb4039381b494627b3df7fe
microshift-gateway-api-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: b799d8441c28effa61e2421c8bd71a789b66e27394ed429bbf32d34002c20105
microshift-greenboot-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 44824dd2485c5f12e71818bc4e1944edc93289233183b8f8310ed4d165c4789c
microshift-low-latency-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 8961812aa44a3dd047e3c2d3682c189e422f9dc7f24cd8da6c4992d03fdea659
microshift-multus-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 8a5351e52b7d57f2beaf085e8e96b75f5a782da1351d3e3fdc4b7d849624f47a
microshift-observability-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 02198f24350cb7a24931dca9f8fdf5648a2f0ccd24dad3cda3cbda53e326c075
microshift-olm-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 9c296bc1107d0c6b74a087f2352af75a8553ebb696f081a00d1d6d02987db443
microshift-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 942ee0402aa362c8fcfe5613bd0b8373033995ee68e62c8eb1df00b710b40c1c
microshift-selinux-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 6522e4fa275e9119e7c5fc12de22ae5da52713d2134e9166eea925734f0dc1ca

Red Hat OpenShift Container Platform for ARM 64 4.20 for RHEL 9

SRPM
microshift-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.src.rpm SHA-256: a40954f28707c2370c20bda22d0bc84057508263dfc74fe4b6f9209ff56185b8
aarch64
microshift-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.aarch64.rpm SHA-256: 3975f9915a20db26ec390d2c51d2513e57207dfa4de98863b796fe9e080acf15
microshift-ai-model-serving-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: a6dc16a1f9a66723d3fdf0d37f351925ac5022f2526e44182e13594a8247256d
microshift-cert-manager-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.aarch64.rpm SHA-256: d093c00628bcf4aecf97ea31967adb355ddb03ecc2a0669b783b09c7c0f1293b
microshift-cert-manager-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 49c48c357ee0f2603cd71759cb0b4f0bcc33d24fafb4039381b494627b3df7fe
microshift-gateway-api-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.aarch64.rpm SHA-256: 24df554a8c16c73814949c904fd224017dfb92dc9e746b17ee6b42ff08dfbb31
microshift-gateway-api-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: b799d8441c28effa61e2421c8bd71a789b66e27394ed429bbf32d34002c20105
microshift-greenboot-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 44824dd2485c5f12e71818bc4e1944edc93289233183b8f8310ed4d165c4789c
microshift-low-latency-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 8961812aa44a3dd047e3c2d3682c189e422f9dc7f24cd8da6c4992d03fdea659
microshift-multus-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.aarch64.rpm SHA-256: 678e108d5605c80f338b6c88aadb6f7603ee616f1ba8eb2d9597b0a40ea692ff
microshift-multus-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 8a5351e52b7d57f2beaf085e8e96b75f5a782da1351d3e3fdc4b7d849624f47a
microshift-networking-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.aarch64.rpm SHA-256: b797b606ba0547865579b2cab9ec9eb01c4ae1e144a735424bd9a923faaa5d0e
microshift-observability-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 02198f24350cb7a24931dca9f8fdf5648a2f0ccd24dad3cda3cbda53e326c075
microshift-olm-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.aarch64.rpm SHA-256: 8f546ae83e7aaa967de7924852d8ad421d7b0688422a4c6e8e9cce09f9fd3779
microshift-olm-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 9c296bc1107d0c6b74a087f2352af75a8553ebb696f081a00d1d6d02987db443
microshift-release-info-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 942ee0402aa362c8fcfe5613bd0b8373033995ee68e62c8eb1df00b710b40c1c
microshift-selinux-4.20.23-202605152314.p0.gc72ec5b.assembly.4.20.23.el9.noarch.rpm SHA-256: 6522e4fa275e9119e7c5fc12de22ae5da52713d2134e9166eea925734f0dc1ca

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