CVE-2023-39902

HIGH

NXP Uboot Secondary Program Loader < 2023.07 - Privilege Escalation

Title source: rule

Description

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.

References (2)

[Mitigation, Patch, Vendor Advisory] https://community.nxp.com/t5/i-MX-Security/U-Boot-Secondary-Program-Loader-Authentication-Vulnerability-CVE/ta-p/1736196

[Product] https://nxp.com

Scores

CVSS v3 7.0

EPSS 0.0008

EPSS Percentile 22.6%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-281

Status published

Products (1)

nxp/uboot_secondary_program_loader < 2023.07

Published Oct 17, 2023

Tracked Since Feb 18, 2026