Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for the double decrement of the dirty clusters count during shutdown. The fstests test for generic/388 occasionally produces a warning in ext4putsuper, associated with the count of dirty clusters: WARNING: CPU: 7; PID:...

CVE-2026-66808

A flaw was found in hypershift-addon-operator. A hub-cluster administrator with write access to the hypershift-operator-install-flags ConfigMap can inject malicious command-line arguments into the privileged install Job. This vulnerability, known as argument injection, allows the attacker to pull...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.12.95 bug fix and security update

Red Hat OpenShift Container Platform release 4.12.95 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 4.12. Red Hat Product Security has rated this update as having a...

CVE-2026-44945

A privilege escalation vulnerability exists in Rancher's impersonation middleware pkg/auth/requests/impersonate.go. An authenticated Rancher user with the default user global role can gain full administrative access to the Rancher control plane and transitively to all downstream clusters it...

CVE-2026-44945 Cross-Cluster Impersonation Confused-Deputy Privilege Escalation

A privilege escalation vulnerability exists in Rancher's impersonation middleware pkg/auth/requests/impersonate.go. An authenticated Rancher user with the default user global role can gain full administrative access to the Rancher control plane and transitively to all downstream clusters it...

EUVD-2026-53298

A privilege escalation vulnerability exists in Rancher's impersonation middleware pkg/auth/requests/impersonate.go. An authenticated Rancher user with the default user global role can gain full administrative access to the Rancher control plane and transitively to all downstream clusters it...

CVE-2026-44945

CVE-2026-44945 is a privilege escalation in Rancher’s impersonation middleware (pkg/auth/requests/impersonate.go). An authenticated user with the default global role can obtain full admin access to the Rancher control plane and downstream clusters. Affected: Rancher 2.11.0–2.11.15, 2.12.0–2.12.11...

CVE-2026-55998

The endpoint /v3/import/tokenclusterId.yaml retrieves the cluster object before validating the token. When a valid cluster ID references a cluster that has private registry secrets configured, a nil pointer dereference in pkg/systemtemplate/privateregistry.go causes the request to return HTTP 502...

EUVD-2026-53258

The endpoint /v3/import/tokenclusterId.yaml retrieves the cluster object before validating the token. When a valid cluster ID references a cluster that has private registry secrets configured, a nil pointer dereference in pkg/systemtemplate/privateregistry.go causes the request to return HTTP 502...

Critical: Red Hat Security Advisory: multicluster engine for Kubernetes v2.17.1 security update

Red Hat multicluster engine for Kubernetes v2.17 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 Critical. A Common Vulnerability Scoring System CVSS base scor...

Critical: Red Hat Security Advisory: multicluster engine for Kubernetes v2.6.13 security update

Red Hat multicluster engine for Kubernetes v2.6 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 Critical. A Common Vulnerability Scoring System CVSS base score...

UBUNTU-CVE-2026-64415

In the Linux kernel, the following vulnerability has been resolved: mm/swap: add condresched in swapreclaimfullclusters to prevent softlockup We hit a real softlockup in an internal stress test environment. The workload was LTP memory/swap stress on a large arm64 machine, with 320 CPUs, about 1TB...

EUVD-2026-48959

In the Linux kernel, the following vulnerability has been resolved: mm/swap: add condresched in swapreclaimfullclusters to prevent softlockup We hit a real softlockup in an internal stress test environment. The workload was LTP memory/swap stress on a large arm64 machine, with 320 CPUs, about 1TB...

CVE-2026-64415

In the Linux kernel, the following vulnerability has been resolved: mm/swap: add condresched in swapreclaimfullclusters to prevent softlockup We hit a real softlockup in an internal stress test environment. The workload was LTP memory/swap stress on a large arm64 machine, with 320 CPUs, about 1TB...

CVE-2026-64415

CVE-2026-64415 is a Linux kernel vulnerability resolved by inserting periodic cond_resched() calls in mm/swap/swapon_reclaim_full_clusters to prevent softlockups. The issue manifested as a long-running softlockup under heavy memory/swap stress on large arm64 systems (e.g., 320 CPUs, ~1 TB RAM, ~8...

CVE-2026-64415 mm/swap: add cond_resched() in swap_reclaim_full_clusters to prevent softlockup

In the Linux kernel, the following vulnerability has been resolved: mm/swap: add condresched in swapreclaimfullclusters to prevent softlockup We hit a real softlockup in an internal stress test environment. The workload was LTP memory/swap stress on a large arm64 machine, with 320 CPUs, about 1TB...

CVE-2026-17107

A flaw was found in the cluster-proxy service-proxy component used in Red Hat Advanced Cluster Management for Kubernetes RHACM and multicluster-engine MCE. The service-proxy appends impersonation group headers to proxied requests without first removing caller-supplied values, and the spoke...

CVE-2026-17107

A flaw was found in the cluster-proxy service-proxy component used in Red Hat Advanced Cluster Management for Kubernetes RHACM and multicluster-engine MCE. The service-proxy appends impersonation group headers to proxied requests without first removing caller-supplied values, and the spoke...

Important: Red Hat Security Advisory: Red Hat Developer Hub 1.9.7 release.

Red Hat Developer Hub 1.9.7 has been released. Red Hat Developer Hub RHDH is Red Hat's enterprise-grade, self-managed, customizable developer portal based on Backstage.io. RHDH is supported on OpenShift and other major Kubernetes clusters AKS, EKS, GKE. The core features of RHDH include a single...

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...