Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.
CVSS Details
- CVSS 3.1 Base Score: 7.2
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | debian-upgrade-amd64-microcode | Apr 1, 2025 | Feb 3, 2025 | |
| Dell Poweredge Dsa2025040 | dell-poweredge-upgrade-latest | Oct 23, 2025 | Feb 3, 2025 | |
| Ubuntu | ubuntu-upgrade-amd64-microcode | Jun 10, 2025 | Feb 3, 2025 |
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