ASA-2019-00309 – HP: Processor Registers Left Unlocked When TPM is Disabled

HP has identified a security vulnerability with some versions of Workstation BIOS (UEFI Firmware) where the runtime BIOS code could be tampered with if the TPM is disabled. The impacted Workstations ship with TPM enabled by default, except in certain geographic regions where TPM is required to be disabled.