x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.18.5 by commit bc4d37b2338a32a6668d94803feebc9cbc85572e. For more details please see the references link.