{"containers":{"cna":{"affected":[{"product":"EDK II","vendor":"n/a","versions":[{"status":"affected","version":"edk2-stable202105, edk2-stable202102, edk2-stable202011, edk2-stable202008, edk2-stable202005, edk2-stable202002, edk2-stable201911, edk2-stable201908, edk2-stable201905, edk2-stable201903, edk2-stable201811, edk2-stable201808"}]}],"descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"description":"Security Feature Bypass","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2022-01-03T21:07:45.000Z","orgId":"65518388-201a-4f93-8712-366d21fe8d2c","shortName":"TianoCore"},"references":[{"tags":["x_refsource_MISC"],"url":"https://bugzilla.tianocore.org/show_bug.cgi?id=3499"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"infosec@edk2.groups.io","ID":"CVE-2021-38576","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"EDK II","version":{"version_data":[{"version_value":"edk2-stable202105, edk2-stable202102, edk2-stable202011, edk2-stable202008, edk2-stable202005, edk2-stable202002, edk2-stable201911, edk2-stable201908, edk2-stable201905, edk2-stable201903, edk2-stable201811, edk2-stable201808"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Security Feature Bypass"}]}]},"references":{"reference_data":[{"name":"https://bugzilla.tianocore.org/show_bug.cgi?id=3499","refsource":"MISC","url":"https://bugzilla.tianocore.org/show_bug.cgi?id=3499"}]}}},"adp":[{"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://bugzilla.tianocore.org/show_bug.cgi?id=3499"},{"url":"https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T19:26:14.574Z"}}]},"cveMetadata":{"assignerOrgId":"65518388-201a-4f93-8712-366d21fe8d2c","assignerShortName":"TianoCore","cveId":"CVE-2021-38576","datePublished":"2022-01-03T21:07:45.000Z","dateReserved":"2021-08-11T00:00:00.000Z","dateUpdated":"2025-11-03T19:26:14.574Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"}