CVE-2024-36309 · Infrastructure
NO FIX YET
AMD Northbridge IO (NBIO) lacks lock-bit protection, so a privileged attacker can re-enable an intentionally disabled device and use it in a remapping attack. The sources say this can affect data confidentiality, integrity, or availability.
first public Nov 10, 2026 · 1 source
Could this affect your app?
Free first check from your website. Connect your repo for the full answer.
Affects AMD processors with the NBIO component. Exploitation requires privileged access on the machine, so systems without untrusted privileged users carry less risk. The sources do not list specific affected models or firmware versions.
Not affected if no-privileged-untrusted-users
Who cares amd, bare-metal, firmware, servers
Unknown from the sources.
No fix yet, per the sources.
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.
This page as .md · .json · 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
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
Check it with your coding agent
It reads this page and tells you if your code is affected.
Are you affected?
Ask from here. InfraStack checks the affected versions against your stack and answers in your inbox.
InfraStack checks the affected versions against your stack and answers in Slack, with the evidence and the fix.