US 12,321,499 B2
Software update protection system
Karl B. Leboeuf, LaSalle (CA); Brian Farrell, Troy, MI (US); and Thomas M. Forest, Macomb, MI (US)
Assigned to GM Global Technology Operations LLC, Detroit, MI (US)
Filed by GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Filed on May 30, 2023, as Appl. No. 18/325,242.
Prior Publication US 2024/0403491 A1, Dec. 5, 2024
Int. Cl. G06F 21/64 (2013.01); G06F 21/57 (2013.01)
CPC G06F 21/64 (2013.01) [G06F 21/575 (2013.01); G06F 21/572 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system comprising:
a back office portal operational to generate a signed update mode record;
a vehicle external to the back office portal;
a plurality of devices in the vehicle; and
a component in the vehicle, in communication with the plurality of devices, and operational to:
receive the signed update mode record;
verify that the signed update mode record is from the back office portal and was created for the component;
erase credentials within the component that establish the component as valid to the plurality of devices in response to the verification of the signed update mode record;
perform an irreversible action within the component, wherein one or more functions of the vehicle that rely on the component are disabled after the component performs the irreversible action;
enter a software update mode;
exit the software update mode; and
reject each request from the plurality of devices to the component that relies on the credentials that were erased from the component.