Short for Unified Extensible Firmware Interface, UEFI is the low-level and complex chain of firmware responsible for booting up virtually every modern computer.
The flaws reside in functions related to IPv6, the successor to the IPv4 Internet Protocol network address system. They can be exploited in what’s known as the PXE, or Preboot Execution Environment, when it’s configured to use IPv6.
… UEFI (Unified Extensible Firmware Interface) replaces the BIOS (Basic Input Output Software) which was present in the boot ROM (Read Only Memory) of all personal computers …