• Boot Guard TOCTOU Vulnerability Mitigation
• Background
• Platform Guidance for the Mitigation Changes Provided
• High-Level Migration Required
• Code Migration
• PEI Convert Pointer PPI
• PEIM-to-PEIM Interfaces (PPIs) and PEI Notifications
• Reset Callbacks and Status Code Callbacks
• Data Migration
• Verifying Migration
• Catching Invalid Accesses
• Debug Print Messages
• PPI and PEI Notification Migration Messages
• FV and FV HOB Migration Messages
• GDT, IDT, and FIT Migration Messages