{"action":"Upgrade edk2 to 2021.11-1 or later.","affected":[{"fixed":"2021.11-1","introduced":"0"}],"component":"edk2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2021.11-1"],"id":"tcs_01M5NFX82ZPX7YKMCZKMG4D81E","modified_at":"2026-10-23T18:03:50.357492385Z","published_at":"2022-01-03T22:15:09.903Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-38576","https://security-tracker.debian.org/tracker/CVE-2021-38576"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-38576#Debian:13/edk2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-38576"}],"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 sy"}