AI synthesis A 16-year-old use-after-free flaw in Linux KVM's shadow MMU (CVE-2026-53359) lets guest VMs escape to the host on Intel and AMD x86 systems.
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A use-after-free bug in Linux's KVM hypervisor can be triggered from a guest virtual machine to corrupt the shadow-page state of the host kernel that runs it. Dubbed 'Januscape' and tracked as CVE-2026-53359, the flaw sits in the shadow MMU code that KVM shares across both Int...
Januscape: A 16-year-old Linux KVM flaw lets cloud VM tenants crash hosts and potentially escape guests. It affects Intel and AMD systems. Security researcher Hyunwoo Kim has published details of a use-after-free vulnerability in Linux’s KVM hypervisor that allows code running...
The 16-year-old Januscape flaw affects Linux's KVM hypervisor, allowing attackers to escape virtual machines and potentially execute code on the underlying host. The post Linux Kernel Vulnerability Allows VM Escape on Intel and AMD Systems appeared first on SecurityWeek.