Description
Missing Lock Bit Protection in the Northbridge IO (NBIO) could allow a privileged attacker to use an intentionally disabled device as part of a remapping attack potentially impacting data confidentiality, integrity, or availability.
Metrics
CVSS 4.0 4.6/10
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XWeakness enumeration
Affected software
Source: the vendor's advisory (CNA). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| AMD | AMD EPYC™ 9004 Series Processors | — |
| AMD | AMD EPYC™ 7003 Series Processors | — |
| AMD | AMD EPYC™ 7002 Series Processors | — |
| AMD | AMD EPYC™ 7001 Series Processors | — |
| AMD | AMD EPYC™ 4004 Series Processors | — |
| AMD | AMD EPYC™ 9005 Series Processors | — |
| AMD | AMD Instinct™ MI300A Series Processors | — |
| AMD | AMD EPYC™ 4005 Series Processors | — |
| AMD | AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics | — |
| AMD | AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics | — |
| AMD | AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics | — |
| AMD | AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics | — |
| AMD | AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics | — |
| AMD | AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics | — |
| AMD | AMD Ryzen™ 7000 Series Desktop Processors | — |
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | — |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors | — |
| AMD | AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics | — |
| AMD | AMD Ryzen™ Threadripper™ 3000 Processors | — |
| AMD | AMD Ryzen™ AI 300 Series Processors | — |
| AMD | AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors | — |
| AMD | AMD Ryzen™ Threadripper™ 7000 Processors | — |
| AMD | AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors | — |
| AMD | AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors | — |
| AMD | AMD Ryzen™ 7000 Series Desktop Processors | — |
| AMD | AMD Ryzen™ 8000 Series Desktop Processors | — |
| AMD | AMD Ryzen™ 8000 Series Desktop Processors | — |
| AMD | AMD Ryzen™ 9000 Series Desktop Processors | — |
| AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | — |
| AMD | AMD Ryzen™ 4000 Series Desktop Processors | — |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors | — |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics | — |
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | — |
| AMD | AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics | — |
| AMD | AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics | — |
| AMD | AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics | — |
| AMD | AMD Ryzen™ AI Max 300 Series Processors | — |
| AMD | AMD Ryzen™ 9000HX Series Mobile Processors | — |
| AMD | AMD EPYC™ Embedded 3000 Series Processors | — |
| AMD | AMD EPYC™ Embedded 4005 Series Processors | — |
| AMD | AMD EPYC™ Embedded 7002 Series Processors | — |
| AMD | AMD EPYC™ Embedded 7003 Series Processors | — |
| AMD | AMD EPYC™ Embedded 8004 Series Processors | — |
| AMD | AMD EPYC™ Embedded 9004 Series Processors - Genoa | — |
| AMD | AMD EPYC™ Embedded 9004 Series Processors - Bergamo | — |
| AMD | AMD EPYC™ Embedded 9005 Series Processors | — |
| AMD | AMD Ryzen™ Embedded 5000 Series Processors | — |
| AMD | AMD Ryzen™ Embedded 7000 Series Processors | — |
| AMD | AMD Ryzen™ Embedded 8000 Series Processors | — |
| AMD | AMD Ryzen™ Embedded 9000 Series Processors | — |
References
Timeline
- Published
- Nov 10, 2026
- Last modified
- Nov 13, 2026
- NVD status
- Awaiting Analysis