CVE-2022-0002

NameCVE-2022-0002
DescriptionNon-transparent sharing of branch predictor within a context in some Intel(R) Processors may allow an authorized 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-2940-1, DLA-2941-1, DSA-5095-1, DSA-5096-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.223-1fixed
bullseye (security)5.10.226-1fixed
bookworm6.1.106-3fixed
bookworm (security)6.1.112-1fixed
trixie6.10.11-1fixed
sid6.11.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcestretch4.9.303-1DLA-2940-1
linuxsourcebuster4.19.232-1DSA-5096-1
linuxsourcebullseye5.10.103-1DSA-5095-1
linuxsource(unstable)5.16.12-1
linux-4.19sourcestretch4.19.232-1~deb9u1DLA-2941-1

Notes

https://www.vusec.net/projects/bhi-spectre-bhb/
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00598.html
https://www.intel.com/content/www/us/en/developer/topic-technology/software-security-guidance/technical-documentation/branch-history-injection.html

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