Create a VM: Use QEMU/KVM commands or tools like virt-manager to create and configure your first VM. Managing Virtual Machines with KVM and QEMU Basic Commands: Learn commands for starting, stopping, ...

If you're using an earlier version of Xen, upgrade and apply the patch. VM hypervisors that aren't based on QEMU, such as VMware, Microsoft Hyper-V, and Bochs hypervisors, are immune to Venom attacks.

The bug has existed since 2004, when the virtual FDC code was added to QEMU. Both Xen and QEMU have produced patches for the vulnerability and most of the large cloud providers have addressed the bug.