Description
Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| AMD | 2nd Gen EPYC | Various | — |
| AMD | 3rd Gen EPYC | various | — |
Advisories 1
- WID-SEC-2023-0061 AMD Prozessoren: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 10, 2023