Skip to content
Fencer Intel
medium 4.6

CVE-2024-36309 json

Missing Lock Bit Protection in the Northbridge IO (NBIO) could allow a privileged attacker to use an intentionally disabled device as part…

published yesterday modified yesterday also EUVD-2024-55844

cvss
4.6
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits
0
none known

Summary

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.

Patch / fix

  • AMD AMD EPYC™ 9004 Series Processors GenoaPI 1.0.0.G
  • AMD AMD EPYC™ 7003 Series Processors MilanPI-SP3_1.0.0.H
  • AMD AMD EPYC™ 7002 Series Processors Rome-1.0.0.P
  • AMD AMD EPYC™ 7001 Series Processors Naples-1.0.0.S
  • AMD AMD EPYC™ 4004 Series Processors ComboAM5PI_1.1.0.3h
  • AMD AMD EPYC™ 9005 Series Processors TurinPI 1.0.0.5
  • AMD AMD Instinct™ MI300A Series Processors MI300A 1.0.0.B
  • AMD AMD EPYC™ 4005 Series Processors ComboAM5PI 1.3.0.1a
  • AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics RenoirPI-FP6_1.0.0.Ec
  • AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics RembrandtPI-FP7_1.0.0.Bh
  • AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics PicassoPI-FP5_1.0.1.2c
  • AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics PhoenixPI-FP8-FP7_1.2.0.B
  • AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics MendocinoPI-FT6_1.0.0.7c
  • AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics DragonRangeFL1 PI-1.0.0.3m
  • AMD AMD Ryzen™ 7000 Series Desktop Processors ComboAM5PI 1.0.0.F, ComboAM5PI 1.3.0.1b, ComboAM5PI_1.1.0.3h, ComboAM5PI_1.2.0.3k
  • AMD AMD Ryzen™ 3000 Series Desktop Processors ComboAM4 1.0.0.F, ComboAM4v2PI_1.2.0.F
  • AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors CastlePeakWSPI-sWRX8 1.0.0.H, ChagallWSPI-sWRX8 1.0.0.C
  • AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6_1.0.1.1c
  • AMD AMD Ryzen™ Threadripper™ 3000 Processors CastlePeakPI-SP3r3_1.0.0.F
  • AMD AMD Ryzen™ AI 300 Series Processors StrixKrackanPI-FP8_1.1.0.0b
  • AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors ChagallWSPI-sWRX8 1.0.0.C
  • AMD AMD Ryzen™ Threadripper™ 7000 Processors StormPeakPI-SP6_1.1.0.0j
  • AMD AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors StormPeakPI-SP6_1.0.0.1l, StormPeakPI-SP6_1.1.0.0j
  • AMD AMD Ryzen™ 8000 Series Desktop Processors ComboAM5 1.2.0.3d, ComboAM5PI 1.1.0.3d
  • AMD AMD Ryzen™ 9000 Series Desktop Processors ComboAM5PI 1.3.0.1a, ComboAM5PI_1.2.0.3k
  • AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6_1.0.1.1c
  • AMD AMD Ryzen™ 4000 Series Desktop Processors ComboAM4v2PI_1.2.0.F
  • AMD AMD Ryzen™ 5000 Series Desktop Processors ComboAM4v2PI_1.2.0.F
  • AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics ComboAM4v2PI_1.2.0.F
  • AMD AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics PhoenixPI-FP8-FP7_1.2.0.B

Is CVE-2024-36309 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 4.0 4.6 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
CNA 4.0 4.6 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

Affected products

  • 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™ 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™ 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
  • AMD AMD Ryzen™ Embedded R1000 Series Processors
  • AMD AMD Ryzen™ Embedded R2000 Series Processors
  • AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge")
  • AMD AMD Ryzen™ Embedded V2000 Series Processors

Classification

Weakness
  • CWE-1233 Security-Sensitive Hardware Controls with Missing Lock Bit Protection

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.