SYSTEM MANAGEMENT MODE RUNTIME RESILIENCY MANAGER

Registre Brevet USPTO
Numéro d'application 17703050
Statut En instance
Date de dépôt 2022-03-24
Date de la première publication 2023-01-19
Date de publication 2023-01-19
Propriétaire Intel Corporation (USA)
Inventeur(s)
  • Yao, Jiewen
  • Zimmer, Vincent

Abrégé

A system management mode (SMM) runtime resiliency manager (SRM) augments computing resource protection policies provided by an SMM policy shim The SMM shim protects system resources by deprivileging system management interrupt (SMI) handlers to a lower level of privilege (e.g., ring 3 privilege) and by configuring page tables and register bitmaps (e.g., I/O, MSR, and Save State register bitmaps). SRM capabilities include protecting the SMM shim, updating the SMM shim, protecting a computing system during SMM shim update, detecting SMM attacks, and recovering attacked or faulty SMM components.

Classes IPC  ?

  • G06F 8/65 - Updates
  • G06F 9/445 - Program loading or initiating
  • G06F 21/62 - Protecting access to data via a platform, e.g. using keys or access control rules
  • G06F 9/48 - Program initiating; Program switching, e.g. by interrupt