Security
New Zapscape KVM Flaw Could Let Privileged L1 Guest Code Escape to Linux Hosts
The Hacker News·August 6, 2026·1 min read
A new Linux kernel vulnerability, tracked as CVE-2026-64561, could allow an attacker with kernel privileges inside an L1 guest VM to escape KVM isolation and execute code on the host. The flaw affects KVM/x86's shadow memory management unit (MMU) and applies when nested virtualization is exposed to untrusted guests.
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