CVE-2021-38578

NameCVE-2021-38578
DescriptionExisting CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs1014468

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
edk2 (PTS)buster0~20181115.85588389-3+deb10u3vulnerable
bullseye2020.11-2+deb11u1vulnerable
bookworm, sid2022.11-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
edk2source(unstable)2022.11-11014468

Notes

[bullseye] - edk2 <no-dsa> (Minor issue)
[buster] - edk2 <no-dsa> (Minor issue)
https://bugzilla.tianocore.org/show_bug.cgi?id=3387
https://edk2.groups.io/g/devel/message/90516
https://github.com/tianocore/edk2/commit/cab1f02565d3b29081dd21afb074f35fdb4e1fd6

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