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:
Dec. 19, 2023
Filed:
Nov. 30, 2020
Applicant:
Red Hat, Inc., Raleigh, NC (US);
Inventors:
Michael Tsirkin, Lexington, MA (US);
Amnon Ilan, Ra'anana, IL;
Assignee:
Red Hat, Inc., Raleigh, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/57 (2013.01); G06F 21/64 (2013.01); G06F 21/71 (2013.01);
U.S. Cl.
CPC ...
G06F 21/572 (2013.01); G06F 21/577 (2013.01); G06F 21/64 (2013.01); G06F 21/71 (2013.01); G06F 2221/033 (2013.01);
Abstract
A method includes detecting a change in control of a peripheral device from a first security domain to a second security domain of a computer system and in response to detecting the change in control of the peripheral device, reading a current firmware version of the peripheral device and determining whether the current firmware version of the peripheral device is trusted by the computer system. The method further includes in response to determining that the current firmware version is trusted by the computer system, providing control of the peripheral device to the second security domain.