CVE-2021-38576

NameCVE-2021-38576
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
edk2 (PTS)stretch0~20161202.7bbe0b3e-1+deb9u1undetermined
stretch (security)0~20161202.7bbe0b3e-1+deb9u2undetermined
buster0~20181115.85588389-3+deb10u3undetermined
bullseye2020.11-2+deb11u1undetermined
bookworm, sid2022.05-2undetermined

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
edk2source(unstable)undetermined

Notes

https://bugzilla.tianocore.org/show_bug.cgi?id=3499 (private)

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