The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 2025
Filed:
Apr. 20, 2021
Applicant:
Assured Information Security, Inc., Rome, NY (US);
Inventors:
Rian Quinn, Highlands Ranch, CO (US);
Connor James Davis, Denver, CO (US);
Assignee:
Assured Information Security, Inc., Rome, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/02 (2006.01); G06F 9/455 (2018.01);
U.S. Cl.
CPC ...
G06F 12/0292 (2013.01); G06F 9/45558 (2013.01); G06F 2009/45583 (2013.01); G06F 2212/152 (2013.01);
Abstract
Memory access control in a virtualization environment is provided. Sets of page tables are maintained, with each set corresponding to a given hypervisor application and guest virtual machine (VM), and each set including mappings to a subset of the guest VM memory to thereby limit an amount of the quest VM memory that is accessible Presentation of these sets is controlled to present just one of the sets at any given time for hypervisor processing to access guest VM memory.