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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Edk2 | Tianocore | 201808 (including) | 201808 (including) |
| Edk2 | Tianocore | 201811 (including) | 201811 (including) |
| Edk2 | Tianocore | 201903 (including) | 201903 (including) |
| Edk2 | Tianocore | 201905 (including) | 201905 (including) |
| Edk2 | Tianocore | 201908 (including) | 201908 (including) |
| Edk2 | Tianocore | 201911 (including) | 201911 (including) |
| Edk2 | Tianocore | 202002 (including) | 202002 (including) |
| Edk2 | Tianocore | 202005 (including) | 202005 (including) |
| Edk2 | Tianocore | 202008 (including) | 202008 (including) |
| Edk2 | Tianocore | 202011 (including) | 202011 (including) |
| Edk2 | Tianocore | 202102 (including) | 202102 (including) |
| Edk2 | Tianocore | 202105 (including) | 202105 (including) |
| Edk2 | Ubuntu | bionic | * |
| Edk2 | Ubuntu | esm-apps/bionic | * |
| Edk2 | Ubuntu | esm-infra/focal | * |
| Edk2 | Ubuntu | focal | * |
| Edk2 | Ubuntu | hirsute | * |
| Edk2 | Ubuntu | impish | * |
| Edk2 | Ubuntu | trusty | * |
| Edk2 | Ubuntu | xenial | * |