CVE-2021-38576

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-38576
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38576.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-38576
Related
Published
2022-01-03T22:15:09Z
Modified
2025-06-05T20:53:51.735995Z
Downstream
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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

Affected packages

Debian:11 / edk2

Package

Name
edk2
Purl
pkg:deb/debian/edk2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2020.11-2+deb11u3

Affected versions

2020.*

2020.11-2
2020.11-2+deb11u1
2020.11-2+deb11u2

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / edk2

Package

Name
edk2
Purl
pkg:deb/debian/edk2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2021.11-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / edk2

Package

Name
edk2
Purl
pkg:deb/debian/edk2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2021.11-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Git / github.com/tianocore/edk2

Affected versions

Other

edk2-stable201808
edk2-stable201811
edk2-stable201903
edk2-stable201905
edk2-stable201908
edk2-stable201911
edk2-stable202002
edk2-stable202005
edk2-stable202008