CVE-2022-29900

NameCVE-2022-29900
DescriptionMis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions.
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)
ReferencesDSA-5184-1, DSA-5207-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.235-1vulnerable
buster (security)4.19.249-2vulnerable
bullseye5.10.127-1vulnerable
bullseye (security)5.10.136-1fixed
bookworm, sid5.18.16-1fixed
xen (PTS)buster, buster (security)4.11.4+107-gef32c7afa2-1vulnerable
bullseye4.14.4+74-gd7b22226b5-1vulnerable
bullseye (security)4.14.5+24-g87d90d511c-1fixed
bookworm, sid4.16.1-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebullseye5.10.136-1DSA-5207-1
linuxsource(unstable)5.18.14-1
xensourcebuster(unfixed)end-of-life
xensourcebullseye4.14.5+24-g87d90d511c-1DSA-5184-1
xensource(unstable)(unfixed)

Notes

[buster] - xen <end-of-life> (DSA 4677-1)
https://comsec.ethz.ch/research/microarch/retbleed/
https://comsec.ethz.ch/wp-content/files/retbleed_sec22.pdf
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1037
https://xenbits.xen.org/xsa/advisory-407.html

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