Unrated severityOSV Advisory· Published Jan 3, 2022· Updated Nov 3, 2025
CVE-2021-38576
CVE-2021-38576
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.
Affected products
1Patches
Vulnerability mechanics
References
1- bugzilla.tianocore.org/show_bug.cgimitrex_refsource_MISC
News mentions
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