US 12,307,232 B2
Granular lockdown of operating system based firmware updates
Mukund P. Khatri, Austin, TX (US); and William C. Munger, Round Rock, TX (US)
Assigned to Dell Products L.P., Round Rock, TX (US)
Filed by Dell Products L.P., Round Rock, TX (US)
Filed on Sep. 15, 2022, as Appl. No. 17/945,347.
Prior Publication US 2024/0095009 A1, Mar. 21, 2024
Int. Cl. G06F 9/44 (2018.01); G06F 8/65 (2018.01)
CPC G06F 8/65 (2013.01) 16 Claims
OG exemplary drawing
 
1. An information handling system comprising:
a protected memory to store identifiers of locked down devices; and
a hardware processor to:
receive a firmware update package for a device within the information handling system, wherein the firmware update package includes a firmware update for the device;
call input/output system (BIOS) code, wherein the BIOS code to scan the identifiers of the locked down devices to create a list of locked down devices;
determine whether an identifier for the device is located within the protected memory; and
in response to the identifier for the device being located within the protected memory, the hardware processor further to prevent the firmware update for the device.