logo

For the Inventor, By the Inventor

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.:

US 11726922 B1

PDFFull Text
Date of Patent:
Aug. 15, 2023

Filed:

Feb. 25, 2020

Memory protection in hypervisor environments

Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Akshar Kaul, Bangalore, IN;

Krishnasuri Narayanam, Bangalore, IN;

Ken Kumar, Meerut, IN;

Pankaj S. Dayama, Bangalore, IN;

Assignee:

International Business Machines Corporation, Armonk, NY (US);

Attorney:

Ryan, Mason & Lewis, LLP

Primary Examiner:

David Yi

Assistant Examiner:

Zubair Ahmed

Int. Cl.
CPC ...
G06F 12/1018 (2016.01); G06F 12/14 (2006.01); G06F 21/64 (2013.01); G06F 21/79 (2013.01); H04L 9/06 (2006.01); G06F 9/455 (2018.01); G06F 9/445 (2018.01); G06F 9/38 (2018.01); G06F 9/4401 (2018.01); G06F 12/0811 (2016.01); H04L 9/00 (2022.01);
U.S. Cl.
CPC ...
G06F 12/1018 (2013.01); G06F 9/3861 (2013.01); G06F 9/4401 (2013.01); G06F 9/44521 (2013.01); G06F 9/4555 (2013.01); G06F 9/45545 (2013.01); G06F 9/45558 (2013.01); G06F 12/0811 (2013.01); G06F 12/1408 (2013.01); G06F 21/64 (2013.01); G06F 21/79 (2013.01); H04L 9/0637 (2013.01); H04L 9/0643 (2013.01); G06F 2009/45583 (2013.01); H04L 9/50 (2022.05);
Abstract

Methods, systems, and computer program products for memory protection in hypervisor environments are provided herein. A method includes maintaining, by a memory management layer of a hypervisor environment, a blockchain-based hash chain associated with a page table of the memory management layer, the page table corresponding to a plurality of memory pages; and verifying, by the first memory management layer, content obtained in connection with a read operation for a given one of the plurality of memory pages based at least in part on hashes maintained for the given memory page in the blockchain-based hash chain.

Find Patent Forward Citations

Kaul, Akshar. (2023). Memory protection in hypervisor environments (U.S. Patent No. 11726922). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11726922

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…