What’s Vulnerable › Vulnerabilities

CVE-2023-39902

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-17 · updated 2026-06-17
• Weakness: CWE-281

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.

Affected products

• NXP Uboot Secondary Program Loader: before 2023.07 — fixed in 2023.07

How to fix

Upgrade to a fixed version: NXP Uboot Secondary Program Loader 2023.07. Check the vendor advisory for mitigations.

References

• https://community.nxp.com/t5/i-MX-Security/U-Boot-Secondary-Program-Loader-Authentication-Vulnerability-CVE/ta-p/1736196
• https://nxp.com
• https://community.nxp.com/t5/i-MX-Security/U-Boot-Secondary-Program-Loader-Authentication-Vulnerability-CVE/ta-p/1736196
• https://nxp.com

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