| Package | Affected versions | Patched versions |
|---|---|---|
| edk2 | = 201808= 201811= 201903= 201905= 201908= 201911= 202002= 202005= 202008= 202011= 202102= 202105 |
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.
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