Published: 03/01/2022 Updated: 13/01/2022

CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 694

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
tianocore edk2 201808
tianocore edk2 201811
tianocore edk2 201903
tianocore edk2 201905
tianocore edk2 201908
tianocore edk2 201911
tianocore edk2 202002
tianocore edk2 202005
tianocore edk2 202008
tianocore edk2 202011
tianocore edk2 202102
tianocore edk2 202105

Debian Bug report logs - #1014468 edk2: CVE-2021-38576 CVE-2021-38577 CVE-2021-38578 Package: src:edk2; Maintainer for src:edk2 is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Moritz Mühlenhoff <jmm@inutilorg> Date: Wed, 6 Jul 2022 15:21:02 UTC Severity: normal Tags: security, upstream ...

NVD-CWE-noinfo https://bugzilla.tianocore.org/show_bug.cgi?id=3499 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1014468 https://nvd.nist.gov

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CVE-2021-38576

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