| Name | CVE-2023-23583 |
| Description | Sequence 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3690-1, DSA-5563-1, ELA-1021-1 |
| Debian Bugs | 1055962 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| intel-microcode (PTS) | jessie/non-free | 3.20240910.1~deb8u1 | fixed |
| jessie/non-free (lts) | 3.20230214.1~deb8u1 | vulnerable | |
| stretch/non-free | 3.20240910.1~deb9u1 | fixed | |
| stretch/non-free (security) | 3.20210608.2~deb9u2 | vulnerable | |
| stretch/non-free (lts) | 3.20230214.1~deb9u1 | vulnerable | |
| buster/non-free | 3.20240910.1~deb10u1 | fixed | |
| buster/non-free (security) | 3.20240312.1~deb10u1 | fixed | |
| bullseye/non-free | 3.20240813.1~deb11u1 | fixed | |
| bullseye/non-free (security) | 3.20240910.1~deb11u1 | fixed | |
| bookworm/non-free-firmware | 3.20240910.1~deb12u1 | fixed | |
| bookworm/non-free-firmware (security) | 3.20231114.1~deb12u1 | fixed | |
| trixie/non-free-firmware, sid/non-free-firmware | 3.20241112.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| intel-microcode | source | jessie | 3.20231114.1~deb8u1 | ELA-1021-1 | ||
| intel-microcode | source | stretch | 3.20231114.1~deb9u1 | ELA-1021-1 | ||
| intel-microcode | source | buster | 3.20231114.1~deb10u1 | DLA-3690-1 | ||
| intel-microcode | source | bullseye | 3.20231114.1~deb11u1 | DSA-5563-1 | ||
| intel-microcode | source | bookworm | 3.20231114.1~deb12u1 | DSA-5563-1 | ||
| intel-microcode | source | (unstable) | 3.20231114.1 | 1055962 |
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