cve-2021-38576
Vulnerability from cvelistv5
Published
2022-01-03 21:07
Modified
2024-08-04 01:44
Severity ?
EPSS score ?
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.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| infosec@edk2.groups.io | https://bugzilla.tianocore.org/show_bug.cgi?id=3499 | Issue Tracking, Permissions Required, Third Party Advisory |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.