| Name | CVE-2025-62626 |
| Description | RDSEED Failure on AMD Zen 5 Processors |
| 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) |
| Debian Bugs | 1120005 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| amd64-microcode (PTS) | bullseye/non-free | 3.20240820.1~deb11u1 | vulnerable |
| bullseye/non-free (security) | 3.20250311.1~deb11u1 | vulnerable |
| bookworm/non-free-firmware | 3.20250311.1~deb12u1 | vulnerable |
| bookworm/non-free-firmware (security) | 3.20230719.1~deb12u1 | vulnerable |
| forky/non-free-firmware, sid/non-free-firmware, trixie/non-free-firmware | 3.20250311.1 | vulnerable |
The information below is based on the following data on fixed versions.
Notes
[trixie] - amd64-microcode <ignored> (Only affects AMD Zen 5 processors, limited support; problematic microcode update)
[bookworm] - amd64-microcode <ignored> (Only affects AMD Zen 5 processors, limited support; problematic microcode update)
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7055.html
Workaround in Linux kernel by diabling RDSEED on AMD Zen 5 Turin:
https://lore.kernel.org/lkml/20251016182107.3496116-1-gourry@gourry.net/