CVE-2021-38576
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductTianocore Edk2
PublishedJan 3, 2022
First seenJan 3, 2022
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tianocore edk2 | 201808, 201811, 201903, 201905, 201908, 201911, 202002, 202005, 202008, 202011, 202102, 202105 | — |
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