CVE-2023-23583

NameCVE-2023-23583
DescriptionSequence of processor instructions leads to unexpected behavior for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege and/or information disclosure and/or denial of service 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-3690-1, DSA-5563-1
Debian Bugs1055962

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
intel-microcode (PTS)buster/non-free3.20220510.1~deb10u1vulnerable
buster/non-free (security)3.20231114.1~deb10u1fixed
bullseye/non-free, bullseye/non-free (security)3.20231114.1~deb11u1fixed
bookworm/non-free-firmware, bookworm/non-free-firmware (security)3.20231114.1~deb12u1fixed
trixie/non-free-firmware, sid/non-free-firmware3.20240312.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
intel-microcodesourcebuster3.20231114.1~deb10u1DLA-3690-1
intel-microcodesourcebullseye3.20231114.1~deb11u1DSA-5563-1
intel-microcodesourcebookworm3.20231114.1~deb12u1DSA-5563-1
intel-microcodesource(unstable)3.20231114.11055962

Notes

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00950.html
https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20231114
https://lock.cmpxchg8b.com/reptar.html
https://github.com/google/security-research/tree/master/pocs/cpus/reptar
https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/redundant-prefix-issue.html

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