Tag: linux kvm
3 articles
Linux KVM Flaw Lets Privileged Guests Escape to Host
A newly discovered flaw in Linux KVM, dubbed "Zapscape," allows attackers with kernel privileges inside a virtual machine to break free from isolation and execute code on the host system. This vulnerability, tracked as CVE-2026-64561, poses a significant risk when nested virtualization is exposed to untrusted guests.
OVH Disrupts Januscape Bug with Mass Reboots
To minimize risk to customers, OVH took swift action with mass reboots to disrupt the Januscape bug, opting for decisive action over detailed communication that could have tempted some to test the publicly available exploit. This critical flaw, tracked as CVE-2026-53359, allowed attackers to escape guest VMs and wreak havoc on host systems.
Linux KVM Flaw Lets Guest VMs Escape to Host on Intel, AMD Systems
A newly discovered 16-year-old flaw in Linux's KVM, nicknamed "Januscape," allows guest virtual machines to break free and interact with their host systems on Intel and AMD machines, potentially leading to full host code execution. This vulnerability, tracked as CVE-2026-53359, can cause a host to panic and be exploited for malicious purposes.