Intel Server D50DNP UEFI firmware (PlatformVariableInitDxe): Improper input validation in a UEFI DXE driver on Intel

Impact

Improper input validation in a UEFI DXE driver on Intel Server D50DNP boards gives a privileged local user escalation into firmware. D50DNP is a dense datacenter server board, so this is squarely an AI-datacenter platform. Firmware-level escalation means persistence below the OS that survives reimaging.

Who can reach it

Privileged local access on the host.

What to do

Fixed in platform BIOS/UEFI firmware. That means an OEM release, a per-node drain, a flash and a cold reboot - and OEM availability commonly lags the Intel advisory by quarters on server boards. There is no microcode or OS-level shortcut for this class; budget it as a fleet-wide maintenance campaign, not a patch.

References