CVE-2022-21166

NameCVE-2022-21166
DescriptionIncomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3065-1, DSA-5173-1, DSA-5178-1, DSA-5184-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
intel-microcode (PTS)bullseye/non-free3.20240813.1~deb11u1fixed
bullseye/non-free (security)3.20240910.1~deb11u1fixed
bookworm/non-free-firmware3.20240910.1~deb12u1fixed
bookworm/non-free-firmware (security)3.20231114.1~deb12u1fixed
sid/non-free-firmware, trixie/non-free-firmware3.20241112.1fixed
linux (PTS)bullseye5.10.223-1fixed
bullseye (security)5.10.226-1fixed
bookworm6.1.115-1fixed
bookworm (security)6.1.119-1fixed
sid, trixie6.11.10-1fixed
xen (PTS)bullseye4.14.6-1fixed
bullseye (security)4.14.5+94-ge49571868d-1fixed
bookworm4.17.3+10-g091466ba55-1~deb12u1fixed
sid, trixie4.17.3+36-g54dacb5c02-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
intel-microcodesourcebuster3.20220510.1~deb10u1DSA-5178-1
intel-microcodesourcebullseye3.20220510.1~deb11u1DSA-5178-1
intel-microcodesource(unstable)3.20220510.1
linuxsourcestretch4.9.320-2DLA-3065-1
linuxsourcebuster4.19.249-2DSA-5173-1
linuxsourcebullseye5.10.127-1
linuxsource(unstable)5.18.5-1
xensourcebuster(unfixed)end-of-life
xensourcebullseye4.14.5+24-g87d90d511c-1DSA-5184-1
xensource(unstable)4.16.2-1

Notes

[bullseye] - intel-microcode <no-dsa> (Minor issue)
[buster] - xen <end-of-life> (DSA 4677-1)
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html
https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html#DRPW
Linux kernel documentation patch: https://git.kernel.org/linus/4419470191386456e0b8ed4eb06a70b0021798a6
https://xenbits.xen.org/xsa/advisory-404.html

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