CVE-2024-36309

Published Nov 10, 2026 CVSS 4.0 · 4.6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Missing Lock Bit Protection in AMD NBIO Allowing Privileged Device Remapping
Type Values Removed Values Added
First Time appeared Amd
Amd amd Ryzen™ Ai 300 Series Processors
Amd athlon 3000 Series Mobile Processors With Radeon Graphics
Amd epyc 4004 Series Processors
Amd epyc 4005 Series Processors
Amd epyc 7001 Series Processors
Amd epyc 7002 Series Processors
Amd epyc 7003 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 3000 Series Processors
Amd epyc Embedded 7002 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors
Amd instinct Mi300a Series Processors
Amd ryzen 3000 Series Desktop Processors
Amd ryzen 3000 Series Mobile Processors With Radeon Graphics
Amd ryzen 4000 Series Desktop Processors
Amd ryzen 4000 Series Mobile Processors With Radeon Graphics
Amd ryzen 5000 Series Desktop Processors
Amd ryzen 5000 Series Desktop Processors With Radeon Graphics
Amd ryzen 5000 Series Mobile Processors With Radeon Graphics
Amd ryzen 6000 Series Processors With Radeon Graphics
Amd ryzen 7000 Series Desktop Processors
Amd ryzen 7020 Series Processors With Radeon Graphics
Amd ryzen 7030 Series Mobile Processors With Radeon Graphics
Amd ryzen 7035 Series Processors With Radeon Graphics
Amd ryzen 7040 Series Mobile Processors With Radeon Graphics
Amd ryzen 7045 Series Mobile Processors With Radeon Graphics
Amd ryzen 8000 Series Desktop Processors
Amd ryzen 8040 Series Mobile Processors With Radeon Graphics
Amd ryzen 9000 Series Desktop Processors
Amd ryzen 9000hx Series Mobile Processors
Amd ryzen Embedded 5000 Series Processors
Amd ryzen Embedded 7000 Series Processors
Amd ryzen Embedded 8000 Series Processors
Amd ryzen Embedded 9000 Series Processors
Amd ryzen Embedded R1000 Series Processors
Amd ryzen Embedded R2000 Series Processors
Amd ryzen Embedded V1000 Series Processors
Amd ryzen Embedded V2000 Series Processors
Amd ryzen Embedded V3000 Series Processors
Amd ryzen Threadripper 7000 Processors
Amd ryzen Threadripper Pro 3000 Wx-series Processors
Amd ryzen Threadripper Pro 5000 Wx-series Processors
Amd ryzen Threadripper Pro 7000 Wx-series Processors
Amd ryzen Threadripper™ 3000 Processors
Vendors & Products Amd
Amd amd Ryzen™ Ai 300 Series Processors
Amd athlon 3000 Series Mobile Processors With Radeon Graphics
Amd epyc 4004 Series Processors
Amd epyc 4005 Series Processors
Amd epyc 7001 Series Processors
Amd epyc 7002 Series Processors
Amd epyc 7003 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 3000 Series Processors
Amd epyc Embedded 7002 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors
Amd instinct Mi300a Series Processors
Amd ryzen 3000 Series Desktop Processors
Amd ryzen 3000 Series Mobile Processors With Radeon Graphics
Amd ryzen 4000 Series Desktop Processors
Amd ryzen 4000 Series Mobile Processors With Radeon Graphics
Amd ryzen 5000 Series Desktop Processors
Amd ryzen 5000 Series Desktop Processors With Radeon Graphics
Amd ryzen 5000 Series Mobile Processors With Radeon Graphics
Amd ryzen 6000 Series Processors With Radeon Graphics
Amd ryzen 7000 Series Desktop Processors
Amd ryzen 7020 Series Processors With Radeon Graphics
Amd ryzen 7030 Series Mobile Processors With Radeon Graphics
Amd ryzen 7035 Series Processors With Radeon Graphics
Amd ryzen 7040 Series Mobile Processors With Radeon Graphics
Amd ryzen 7045 Series Mobile Processors With Radeon Graphics
Amd ryzen 8000 Series Desktop Processors
Amd ryzen 8040 Series Mobile Processors With Radeon Graphics
Amd ryzen 9000 Series Desktop Processors
Amd ryzen 9000hx Series Mobile Processors
Amd ryzen Embedded 5000 Series Processors
Amd ryzen Embedded 7000 Series Processors
Amd ryzen Embedded 8000 Series Processors
Amd ryzen Embedded 9000 Series Processors
Amd ryzen Embedded R1000 Series Processors
Amd ryzen Embedded R2000 Series Processors
Amd ryzen Embedded V1000 Series Processors
Amd ryzen Embedded V2000 Series Processors
Amd ryzen Embedded V3000 Series Processors
Amd ryzen Threadripper 7000 Processors
Amd ryzen Threadripper Pro 3000 Wx-series Processors
Amd ryzen Threadripper Pro 5000 Wx-series Processors
Amd ryzen Threadripper Pro 7000 Wx-series Processors
Amd ryzen Threadripper™ 3000 Processors
Type Values Removed Values Added
Title Missing Lock Bit Protection in AMD NBIO Allowing Privileged Device Remapping
Type Values Removed Values Added
Title Missing Lock Bit Protection in Northbridge IO Enables Privileged Remapping Attacks
Type Values Removed Values Added
Title Missing Lock Bit Protection in Northbridge IO Enables Privileged Remapping Attacks
Type Values Removed Values Added
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.
Weaknesses CWE-1233
References
Metrics cvssV4_0

{'score': 4.6, 'vector': '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'}

Subscriptions

Amd Amd Ryzen™ Ai 300 Series Processors Athlon 3000 Series Mobile Processors With Radeon Graphics Epyc 4004 Series Processors Epyc 4005 Series Processors Epyc 7001 Series Processors Epyc 7002 Series Processors Epyc 7003 Series Processors Epyc 9004 Series Processors Epyc 9005 Series Processors Epyc Embedded 3000 Series Processors Epyc Embedded 7002 Series Processors Epyc Embedded 7003 Series Processors Epyc Embedded 8004 Series Processors Epyc Embedded 9004 Series Processors Epyc Embedded 9005 Series Processors Instinct Mi300a Series Processors Ryzen 3000 Series Desktop Processors Ryzen 3000 Series Mobile Processors With Radeon Graphics Ryzen 4000 Series Desktop Processors Ryzen 4000 Series Mobile Processors With Radeon Graphics Ryzen 5000 Series Desktop Processors Ryzen 5000 Series Desktop Processors With Radeon Graphics Ryzen 5000 Series Mobile Processors With Radeon Graphics Ryzen 6000 Series Processors With Radeon Graphics Ryzen 7000 Series Desktop Processors Ryzen 7020 Series Processors With Radeon Graphics Ryzen 7030 Series Mobile Processors With Radeon Graphics Ryzen 7035 Series Processors With Radeon Graphics Ryzen 7040 Series Mobile Processors With Radeon Graphics Ryzen 7045 Series Mobile Processors With Radeon Graphics Ryzen 8000 Series Desktop Processors Ryzen 8040 Series Mobile Processors With Radeon Graphics Ryzen 9000 Series Desktop Processors Ryzen 9000hx Series Mobile Processors Ryzen Embedded 5000 Series Processors Ryzen Embedded 7000 Series Processors Ryzen Embedded 8000 Series Processors Ryzen Embedded 9000 Series Processors Ryzen Embedded R1000 Series Processors Ryzen Embedded R2000 Series Processors Ryzen Embedded V1000 Series Processors Ryzen Embedded V2000 Series Processors Ryzen Embedded V3000 Series Processors Ryzen Threadripper 7000 Processors Ryzen Threadripper Pro 3000 Wx-series Processors Ryzen Threadripper Pro 5000 Wx-series Processors Ryzen Threadripper Pro 7000 Wx-series Processors Ryzen Threadripper™ 3000 Processors
Weaknesses

Sources

Status
PUBLISHED
Assigner
AMD
Published
Updated
Nov 12, 2026, 11:48 PM
Reserved
May 23, 2024, 7:44 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 11:17 PM
Modified
Nov 13, 2026, 12:20 AM