proxmox

Proxmox VE virtualization, cluster management, VM/container orchestration, and homelab infrastructure.

cve

Januscape (CVE-2026-53359): KVM Host Escape Vulnerability for Proxmox Operators

A deep-dive on CVE-2026-53359 Januscape: KVM x86 shadow MMU use-after-free enabling guest-to-host escape when nested virtualization is exposed. Includes Proxmox impact, attack chain, and hardening steps for homelab and enterprise operators.

research

GhostLock (CVE-2026-43499): 15-Year-Old Linux Kernel LPE & Container Escape — Deep Dive and Homelab Patching Guide

GhostLock is a 15-year-old use-after-free in the Linux kernel's priority-inheritance futex path that enables container escape from zero capabilities. Technical breakdown of the exploit chain plus patching guidance for Proxmox, Docker, Kubernetes, and CI runner operators.

Januscape (CVE-2026-53359): KVM Host Escape Vulnerability for Proxmox Operators

GhostLock (CVE-2026-43499): 15-Year-Old Linux Kernel LPE &amp; Container Escape — Deep Dive and Homelab Patching Guide

GhostLock (CVE-2026-43499): 15-Year-Old Linux Kernel LPE & Container Escape — Deep Dive and Homelab Patching Guide