Tag: hypervisor
Xen patches a pair of guest escapes with no mitigation in sight
Two Xen hypervisor flaws let one guest reach into another's memory, and releases between 4.6 and 4.16 get no patch…
Tenants cannot see the boundary that keeps their clouds apart
The Xen escape disclosed this week is a reminder that multi-tenant isolation depends entirely on an operator's patch cadence, not…
Zapscape KVM bug lets nested guests run code on the host
Zapscape, tracked as CVE-2026-64561, lets a nested KVM guest with kernel privileges escape to the host.