CVE-2022-21125

NameCVE-2022-21125
DescriptionIncomplete cleanup of microarchitectural fill buffers on 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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-3065-1, DSA-5173-1, DSA-5178-1, DSA-5184-1, ELA-652-1, ELA-680-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
intel-microcode (PTS)jessie/non-free (lts), jessie/non-free3.20220510.1~deb8u1fixed
stretch/non-free (security)3.20210608.2~deb9u2vulnerable
stretch/non-free (lts), stretch/non-free3.20220510.1~deb9u1fixed
buster/non-free, buster/non-free (security)3.20220510.1~deb10u1fixed
bullseye/non-free, bullseye/non-free (security)3.20220510.1~deb11u1fixed
bookworm/non-free, sid/non-free3.20220809.1fixed
linux (PTS)jessie, jessie (lts)3.16.84-1vulnerable
stretch (security), stretch (lts), stretch4.9.320-2fixed
buster, buster (security)4.19.249-2fixed
bullseye5.10.140-1fixed
bullseye (security)5.10.136-1fixed
sid, bookworm5.19.6-1fixed
linux-4.19 (PTS)jessie, jessie (lts)4.19.249-2~deb8u1fixed
stretch (security)4.19.232-1~deb9u1vulnerable
stretch (lts), stretch4.19.249-2~deb9u1fixed
xen (PTS)jessie, jessie (lts)4.4.4lts5-0+deb8u1vulnerable
stretch (security), stretch (lts), stretch4.8.5.final+shim4.10.4-1+deb9u12vulnerable
buster, buster (security)4.11.4+107-gef32c7afa2-1vulnerable
bullseye (security), bullseye4.14.5+24-g87d90d511c-1fixed
sid, bookworm4.16.2-1fixed

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
linuxsourcejessie(unfixed)end-of-life
linuxsourcestretch4.9.320-2DLA-3065-1
linuxsourcebuster4.19.249-2DSA-5173-1
linuxsourcebullseye5.10.127-1
linuxsource(unstable)5.18.5-1
linux-4.19sourcejessie4.19.249-2~deb8u1ELA-652-1
linux-4.19sourcestretch4.19.249-2~deb9u1ELA-652-1
xensourcejessie(unfixed)end-of-life
xensourcestretch(unfixed)end-of-life
xensourcebuster(unfixed)end-of-life
xensourcebullseye4.14.5+24-g87d90d511c-1DSA-5184-1
xensource(unstable)4.16.2-1

Notes

[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#SBDS
Linux kernel documentation patch: https://git.kernel.org/linus/4419470191386456e0b8ed4eb06a70b0021798a6
NOTE: https://xenbits.xen.org/xsa/advisory-404.html

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