CVE-2021-38576
N/A
N/A
Summary
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
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | EDK II | edk2-stable202105, edk2-stable202102, edk2-stable202011, edk2-stable202008, edk2-stable202005, edk2-stable202002, edk2-stable201911, edk2-stable201908, edk2-stable201905, edk2-stable201903, edk2-stable201811, edk2-stable201808 | affected |
Weaknesses
- Security Feature Bypass
ADP Enrichment
CVE Program Container
Additional References
- https://bugzilla.tianocore.org/show_bug.cgi?id=3499
- https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html
References
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.