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CVE-2021-38576
Published: Jan 3, 2022
Modified: Nov 3, 2025
PUBLISHED
Description
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | EDK II | affected edk2-stable202105, edk2-stable202102, edk2-stable202011, edk2-stable202008, edk2-stable202005, edk2-stable202002, edk2-stable201911, edk2-stable201908, edk2-stable201905, edk2-stable201903, edk2-stable201811, edk2-stable201808 |
References
https://bugzilla.tianocore.org/show_bug.cgi?id=3499
x_refsource_MISC
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