Browsing Tag
KVM
1 post
Linux Kernel-based Virtual Machine coverage, including hypervisor security, virtualization operations, and cloud isolation issues.
Januscape KVM Flaw Turns Nested Virtualization Into a Host-Escape Risk
CVE-2026-53359, dubbed Januscape, is a 16-year-old Linux KVM shadow MMU flaw that can let a guest VM crash, and potentially escape to, an x86 host when nested virtualization is exposed. Operators should treat it as a hypervisor-boundary patch event, not a routine kernel update.
