Vulnerabilities · InfosecFeed Brief

New Zapscape KVM Flaw Could Let Privileged L1 Guest Code Escape to Linux Hosts

What you need to know

Zapscape, a new Linux kernel vulnerability, could allow an attacker with kernel privileges inside an L1 guest virtual machine (VM) to escape KVM isolation and execute code on the host. The risk applies when nested virtualization is exposed to untrusted guests. The flaw is tracked as CVE-2026-64561 and affects KVM/x86's shadow memory management unit (MMU)…

Source transparency

This is an InfosecFeed curated brief based on reporting from The Hacker News. InfosecFeed does not claim ownership of the original reporting.

Read the original report at The Hacker News ↗