CVE-2023-39902: Nxp Uboot Secondary Program Loader

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

A software vulnerability has been identified in the U-Boot Secondary Program Loader (SPL) before 2023.07 on select NXP i.MX 8M family processors. Under certain conditions, a crafted Flattened Image Tree (FIT) format structure can be used to overwrite SPL memory, allowing unauthenticated software to execute on the target, leading to privilege escalation. This affects i.MX 8M, i.MX 8M Mini, i.MX 8M Nano, and i.MX 8M Plus.

Affected products

• Nxp Uboot Secondary Program Loader: before 2023.07 (fixed in 2023.07)

Published 2023-10-17. Last modified 2026-06-17.