CVE-2024-36309Missing Lock Bit Protection in the Northbridge IO (NBIO) could allow a privileged attacker to use an intentionally disabled device as part…
- 4.6MediumCVSS base score
- 0.14%Exploitation in 30 daysEPSS · top 96% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By AMD
- 2 years later
· 2 years later
Published
- 2 days later
· 2 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| AMDCNA (assigner) | 4.0 | Medium4.6 | 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 |
| NVDNVD · Awaiting Analysis | 4.0 | Medium4.6 | 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:X |
- EPSS (exploitation in 30 days)
- 0.14% · top 96% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.6.
Affected products
AMD · AMD EPYC™ 9004 Series Processors
- unaffected GenoaPI 1.0.0.G
AMD · AMD EPYC™ 7003 Series Processors
- unaffected MilanPI-SP3_1.0.0.H
AMD · AMD EPYC™ 7002 Series Processors
- unaffected Rome-1.0.0.P
AMD · AMD EPYC™ 7001 Series Processors
- unaffected Naples-1.0.0.S
AMD · AMD EPYC™ 4004 Series Processors
- unaffected ComboAM5PI_1.1.0.3h
AMD · AMD EPYC™ 9005 Series Processors
- unaffected TurinPI 1.0.0.5
AMD · AMD Instinct™ MI300A Series Processors
- unaffected MI300A 1.0.0.B
AMD · AMD EPYC™ 4005 Series Processors
- unaffected ComboAM5PI 1.3.0.1a
AMD · AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
- unaffected RenoirPI-FP6_1.0.0.Ec
AMD · AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics
- unaffected RembrandtPI-FP7_1.0.0.Bh
AMD · AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
- unaffected PicassoPI-FP5_1.0.1.2c
AMD · AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics
- unaffected PhoenixPI-FP8-FP7_1.2.0.B
AMD · AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
- unaffected MendocinoPI-FT6_1.0.0.7c
AMD · AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics
- unaffected DragonRangeFL1 PI-1.0.0.3m
AMD · AMD Ryzen™ 7000 Series Desktop Processors
- unaffected ComboAM5PI 1.0.0.F
AMD · AMD Ryzen™ 3000 Series Desktop Processors
- unaffected ComboAM4v2PI_1.2.0.F
AMD · AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors
- unaffected ChagallWSPI-sWRX8 1.0.0.C
- unaffected CastlePeakWSPI-sWRX8 1.0.0.H
AMD · AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics
- unaffected CezannePI-FP6_1.0.1.1c
AMD · AMD Ryzen™ Threadripper™ 3000 Processors
- unaffected CastlePeakPI-SP3r3_1.0.0.F
AMD · AMD Ryzen™ AI 300 Series Processors
- unaffected StrixKrackanPI-FP8_1.1.0.0b
AMD · AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors
- unaffected ChagallWSPI-sWRX8 1.0.0.C
AMD · AMD Ryzen™ Threadripper™ 7000 Processors
- unaffected StormPeakPI-SP6_1.1.0.0j
AMD · AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors
- unaffected StormPeakPI-SP6_1.0.0.1l
AMD · AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors
- unaffected StormPeakPI-SP6_1.1.0.0j
AMD · AMD Ryzen™ 7000 Series Desktop Processors
- unaffected ComboAM5PI_1.1.0.3h
- unaffected ComboAM5PI_1.2.0.3k
- unaffected ComboAM5PI 1.3.0.1b
AMD · AMD Ryzen™ 8000 Series Desktop Processors
- unaffected ComboAM5PI 1.1.0.3d
AMD · AMD Ryzen™ 8000 Series Desktop Processors
- unaffected ComboAM5 1.2.0.3d
AMD · AMD Ryzen™ 9000 Series Desktop Processors
- unaffected ComboAM5PI_1.2.0.3k
- unaffected ComboAM5PI 1.3.0.1a
AMD · AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
- unaffected CezannePI-FP6_1.0.1.1c
AMD · AMD Ryzen™ 4000 Series Desktop Processors
- unaffected ComboAM4v2PI_1.2.0.F
AMD · AMD Ryzen™ 5000 Series Desktop Processors
- unaffected ComboAM4v2PI_1.2.0.F
AMD · AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics
- unaffected ComboAM4v2PI_1.2.0.F
AMD · AMD Ryzen™ 3000 Series Desktop Processors
- unaffected ComboAM4 1.0.0.F
AMD · AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics
- unaffected PhoenixPI-FP8-FP7_1.2.0.B
AMD · AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics
- unaffected PicassoPI-FP5_1.0.1.2c
AMD · AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
- unaffected RembrandtPI-FP7_1.0.0.Bh
AMD · AMD Ryzen™ AI Max 300 Series Processors
- unaffected StrixHaloPI-FP11_1.0.0.1
AMD · AMD Ryzen™ 9000HX Series Mobile Processors
- unaffected FireRangeFL1PI 1.0.0.0f
AMD · AMD EPYC™ Embedded 3000 Series Processors
- unaffected SnowyOwl_SP4_SP4r2.1.1.0.H
AMD · AMD EPYC™ Embedded 4005 Series Processors
- unaffected EmbeddedAM5PI 1.0.0.8
AMD · AMD EPYC™ Embedded 7002 Series Processors
- unaffected EmbRomePI-SP3 1.0.0.F
AMD · AMD EPYC™ Embedded 7003 Series Processors
- unaffected EmbMilanPI-SP3 v9 1.0.0.C
AMD · AMD EPYC™ Embedded 8004 Series Processors
- unaffected EmbGenoaPI-SP5 1.0.0.B
AMD · AMD EPYC™ Embedded 9004 Series Processors - Genoa
- unaffected EmbGenoaPI-SP5 1.0.0.B
AMD · AMD EPYC™ Embedded 9004 Series Processors - Bergamo
- unaffected EmbGenoaPI-SP5 1.0.0.B
AMD · AMD EPYC™ Embedded 9005 Series Processors
- unaffected EmbeddedTurinPI_SP5_1004
AMD · AMD Ryzen™ Embedded 5000 Series Processors
- unaffected EmbAM4PI 1008
AMD · AMD Ryzen™ Embedded 7000 Series Processors
- unaffected EmbeddedAM5PI 1.0.0.8
AMD · AMD Ryzen™ Embedded 8000 Series Processors
- unaffected EmbeddedPhoenixPI-FP7r2_1.0.0.2
AMD · AMD Ryzen™ Embedded 9000 Series Processors
- unaffected EmbeddedAM5PI 1.0.0.8
AMD · AMD Ryzen™ Embedded R1000 Series Processors
- unaffected EmbeddedPI-FP5 1211
AMD · AMD Ryzen™ Embedded R2000 Series Processors
- unaffected EmbeddedR2KPI-FP5 1006
AMD · AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge")
- unaffected EmbeddedPI-FP5 1211
AMD · AMD Ryzen™ Embedded V2000 Series Processors
- unaffected EmbeddedPI-FP6_1.0.0.C
AMD · AMD Ryzen™ Embedded V3000 Series Processors
- unaffected Embedded-PI_FP7r2 1012
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2024-55844 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-36309)Record last updated .