Important: Red Hat Security Advisory: Multicluster Global Hub 1.5.6 security update

Multicluster Global Hub v1.5.6 general availability release images, which provide security fixes, bug fixes, and updated container images. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a...

CVE-2026-15226

A sandbox confinement bypass vulnerability exists in Canonical snapd within its internal execution environment compiler snap-confine. The default seccomp security templates generated by the engine to restrict system calls do not filter or reject process operations capable of creating or...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.22.6 bug fix and security update

Red Hat OpenShift Container Platform release 4.22.6 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.22. Red Hat Product Security has rated this update as having a...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.20.30 bug fix and security update

Red Hat OpenShift Container Platform release 4.20.30 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.20. Red Hat Product Security has rated this update as having a...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.25 bug fix and security update

Red Hat OpenShift Container Platform release 4.21.25 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a...

kubevirt1.8-container-disk-1.8.4-2.1 on GA media (moderate)

kubevirt1.8-container-disk-1.8.4-2.1 on GA media Announcement ID: openSUSE-SU-2026:11314-1 Rating: moderate Cross-References: CVE-2026-27136 CVE-2026-33814 CVE-2026-39821 CVE-2026-39827 CVE-2026-39828 CVE-2026-39832 CVE-2026-42508 CVSS scores: CVE-2026-27136 SUSE : 6.1...

CVE-2026-15788

BuildKit's cache mount source= selector on Windows Container on Windows WCOW workers does not detect NTFS directory junctions placed inside the cache root. A build authored by an untrusted user on a WCOW-configured BuildKit daemon can read arbitrary host files reachable to the BuildKit daemon...

CVE-2026-15788

The CVE describes a vulnerability in BuildKit’s Windows WCOW workflow: the cache mount source= selector on WCOW workers fails to detect NTFS directory junctions inside the cache root. This allows a build authored by an untrusted user on a WCOW-configured BuildKit daemon to read arbitrary host fil...

CVE-2026-15788 WCOW cache mount source selector resolves NTFS junctions outside of cache root

BuildKit's cache mount source= selector on Windows Container on Windows WCOW workers does not detect NTFS directory junctions placed inside the cache root. A build authored by an untrusted user on a WCOW-configured BuildKit daemon can read arbitrary host files reachable to the BuildKit daemon...

Important: Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.5 Container Release Update

An update is now available for Red Hat Ansible Automation Platform 2.5 Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT Managers can provide top-down guidelines on how automation is applied to individual teams,...

Important: Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.7 Container Release Update

An update is now available for Red Hat Ansible Automation Platform 2.7 Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT Managers can provide top-down guidelines on how automation is applied to individual teams,...

Important: Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.6 Container Release Update

An update is now available for Red Hat Ansible Automation Platform 2.6 Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT Managers can provide top-down guidelines on how automation is applied to individual teams,...

Important: Red Hat Security Advisory: RHTAS 1.3.6 - Red Hat Trusted Artifact Signer Release

The 1.3.6 release of Red Hat Trusted Artifact Signer OpenShift Operator. For more details please visit the product documentation at https://access.redhat.com/documentation/en-us/redhattrustedartifactsigner/1.3 The RHTAS Operator can be used with OpenShift Container Platform 4.16, 4.17, 4.18, 4.19...

USN-8569-1: Linux kernel (HWE) vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 It was discovered that some AMD Zen 2 processors did not properly isolate shared...

USN-8569-1 linux-hwe-7.0 vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 It was discovered that some AMD Zen 2 processors did not properly isolate shared...

CVE-2026-16254

CVE-2026-16254 affects claircore’s apk package scanner, where malformed package-database data in a container layer can trigger an out-of-bounds access that panics the scanner. If the panic is not recovered, the Clair indexer process can crash, resulting in a denial of service. The available docum...

EUVD-2026-45900

A flaw was found in claircore's apk package scanner. Malformed package-database data in a container layer can cause an out-of-bounds access that panics the scanner. If that panic is not recovered, the Clair indexer process can crash, leading to a denial of service...

CVE-2026-16254

A flaw was found in claircore's apk package scanner. Malformed package-database data in a container layer can cause an out-of-bounds access that panics the scanner. If that panic is not recovered, the Clair indexer process can crash, leading to a denial of service. Mitigation Limit image...

Important: Red Hat Security Advisory: Red Hat Migration Toolkit for Containers

A new version of Migration Toolkit for Containers MTC is now available. The Migration Toolkit for Containers MTC enables you to migrate Kubernetes resources, persistent volume data, and internal container images between OpenShift Container Platform clusters, using the MTC web console or the...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.14.69 bug fix and security update

Red Hat OpenShift Container Platform release 4.14.69 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.14. Red Hat Product Security has rated this update as having a...