| Name | CVE-2025-20623 |
| Description | Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some Intel(R) Core™ processors (10th Generation) may allow an authenticated user to potentially enable information disclosure via local access. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4170-1, DSA-5924-1 |
| Debian Bugs | 1105172 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| intel-microcode (PTS) | bullseye/non-free | 3.20240813.1~deb11u1 | vulnerable |
| bullseye/non-free (security) | 3.20250812.1~deb11u1 | fixed | |
| bookworm/non-free-firmware | 3.20250512.1~deb12u1 | fixed | |
| bookworm/non-free-firmware (security) | 3.20250812.1~deb12u1 | fixed | |
| trixie/non-free-firmware | 3.20250512.1 | fixed | |
| trixie/non-free-firmware (security) | 3.20250812.1~deb13u1 | fixed | |
| forky/non-free-firmware, sid/non-free-firmware | 3.20250812.1 | 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 | bullseye | 3.20250512.1~deb11u1 | DLA-4170-1 | ||
| intel-microcode | source | bookworm | 3.20250512.1~deb12u1 | DSA-5924-1 | ||
| intel-microcode | source | (unstable) | 3.20250512.1 | 1105172 |
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01247.html
https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20250512