Topic: Virtualization

Security Advisory — CVE-2026-53359 ("Januscape"): KVM Guest-to-Host Escape

CVE-2026-53359 (“Januscape”) is a KVM guest-to-host escape affecting all current Talos kernels. Cozystack clusters that run VMs or tenant Kubernetes should disable nested virtualization now.

Article types:

Announcement

Topics:

Security
Virtualization

Cozystack 1.3: Storage-Aware Scheduling, LINSTOR GUI, and VM Default Images

Cozystack 1.3 brings storage-aware pod scheduling, a managed LINSTOR GUI, a curated VM image catalog, application-level observability, and cross-namespace VM backup restore.

Article types:

Release

Topics:

Platform
Storage
Virtualization
Observability

All Topics