critical9.8
CVE-2025-62864
Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC cal…
Impact
Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM MMCommunicate service that could result in an out-of-bounds write within the UEFI-MM Secure Partition context.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Amperecomputing | Ampereone A192-32m Firmware | before 5.4.5.1 |
| Amperecomputing | Ampereone A192-26m Firmware | before 5.4.5.1 |
| Amperecomputing | Ampereone A160-28m Firmware | before 5.4.5.1 |
| Amperecomputing | Ampereone A144-33m Firmware | before 5.4.5.1 |
| Amperecomputing | Ampereone A144-26m Firmware | before 5.4.5.1 |
| Amperecomputing | Ampereone A96-36m Firmware | before 5.4.5.1 |
| Amperecomputing | Ampereone A96-36x Firmware | before 4.4.5.2 |
| Amperecomputing | Ampereone A128-34x Firmware | before 4.4.5.2 |
| Amperecomputing | Ampereone A144-24x Firmware | before 4.4.5.2 |
| Amperecomputing | Ampereone A144-27x Firmware | before 4.4.5.2 |
| Amperecomputing | Ampereone A160-28x Firmware | before 4.4.5.2 |
| Amperecomputing | Ampereone A192-26x Firmware | before 4.4.5.2 before 3.5.9.3 |