CVE-2022-21127

NameCVE-2022-21127
DescriptionIncomplete cleanup in specific special register read 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)
ReferencesDSA-5178-1, ELA-680-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
intel-microcode (PTS)jessie/non-free3.20240813.1~deb8u1fixed
jessie/non-free (lts)3.20230214.1~deb8u1fixed
stretch/non-free3.20240813.1~deb9u1fixed
stretch/non-free (security)3.20210608.2~deb9u2vulnerable
stretch/non-free (lts)3.20230214.1~deb9u1fixed
buster/non-free3.20240813.1~deb10u1fixed
buster/non-free (security)3.20240312.1~deb10u1fixed
bullseye/non-free3.20240813.1~deb11u1fixed
bullseye/non-free (security)3.20231114.1~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

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
intel-microcodesourcejessie3.20220510.1~deb8u1ELA-680-1
intel-microcodesourcestretch3.20220510.1~deb9u1ELA-680-1
intel-microcodesourcebuster3.20220510.1~deb10u1DSA-5178-1
intel-microcodesourcebullseye3.20220510.1~deb11u1DSA-5178-1
intel-microcodesource(unstable)3.20220510.1

Notes

[bullseye] - intel-microcode <no-dsa> (Minor issue)
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#SRBDS-Update
https://xenbits.xen.org/xsa/advisory-404.html

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