CVE-2022-23824

NameCVE-2022-23824
DescriptionIBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)buster, buster (security)4.11.4+107-gef32c7afa2-1vulnerable
bullseye4.14.5+24-g87d90d511c-1vulnerable
bullseye (security)4.14.5+86-g1c354767d5-1vulnerable
bookworm, sid4.16.2+90-g0d39a6d1ae-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensourcebuster(unfixed)end-of-life
xensource(unstable)4.16.2+90-g0d39a6d1ae-1

Notes

[bullseye] - xen <postponed> (Fix along in next DSA)
[buster] - xen <end-of-life> (DSA 4677-1)
https://xenbits.xen.org/xsa/advisory-422.html
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1040

Search for package or bug name: Reporting problems