| Name | CVE-2023-28746 |
| Description | Information exposure through microarchitectural state after transient execution from some register files for some Intel(R) Atom(R) Processors may allow an authenticated user to potentially enable information disclosure 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) |
| Debian Bugs | 1066108 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| intel-microcode (PTS) | buster/non-free | 3.20220510.1~deb10u1 | vulnerable |
| buster/non-free (security) | 3.20231114.1~deb10u1 | vulnerable |
| bullseye/non-free, bullseye/non-free (security) | 3.20231114.1~deb11u1 | vulnerable |
| bookworm/non-free-firmware (security), bookworm/non-free-firmware | 3.20231114.1~deb12u1 | vulnerable |
| trixie/non-free-firmware, sid/non-free-firmware | 3.20240312.1 | fixed |
| linux (PTS) | buster | 4.19.249-2 | vulnerable |
| buster (security) | 4.19.304-1 | vulnerable |
| bullseye | 5.10.209-2 | vulnerable |
| bullseye (security) | 5.10.205-2 | vulnerable |
| bookworm | 6.1.76-1 | vulnerable |
| bookworm (security) | 6.1.85-1 | fixed |
| trixie | 6.6.15-2 | vulnerable |
| sid | 6.7.12-1 | fixed |
| xen (PTS) | buster, buster (security) | 4.11.4+107-gef32c7afa2-1 | vulnerable |
| bullseye | 4.14.6-1 | vulnerable |
| bullseye (security) | 4.14.5+94-ge49571868d-1 | vulnerable |
| bookworm | 4.17.3+10-g091466ba55-1~deb12u1 | vulnerable |
| sid, trixie | 4.17.3+36-g54dacb5c02-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| intel-microcode | source | (unstable) | 3.20240312.1 | | | 1066108 |
| linux | source | bookworm | 6.1.82-1 | | | |
| linux | source | (unstable) | 6.7.9-2 | | | |
| xen | source | buster | (unfixed) | end-of-life | | |
| xen | source | bullseye | (unfixed) | end-of-life | | |
| xen | source | (unstable) | (unfixed) | | | |
Notes
[bookworm] - intel-microcode <postponed> (Decide after exposure on unstable for update)
[bullseye] - intel-microcode <postponed> (Decide after exposure on unstable for update)
[buster] - intel-microcode <postponed> (Decide after exposure on unstable for update)
[bookworm] - xen <postponed> (Minor issue, fix along in next DSA)
[bullseye] - xen <end-of-life> (EOLed in Bullseye)
[buster] - xen <end-of-life> (DSA 4677-1)
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00898.html
https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20240312
https://www.openwall.com/lists/oss-security/2024/03/12/13
https://xenbits.xen.org/xsa/advisory-452.html
https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/register-file-data-sampling.html