A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty. This can be used to permanently brick the TPM in multiple ways, as well as to non-permanently DoS the system.
[
{
"product": "EDK II",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "edk2-stable202105, edk2-stable202102, edk2-stable202011, edk2-stable202008, edk2-stable202005, edk2-stable202002, edk2-stable201911, edk2-stable201908, edk2-stable201905, edk2-stable201903, edk2-stable201811, edk2-stable201808"
}
]
}
]