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CVE-2023-39902

HIGH
7.8
CVSS Score
Published: October 17, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 06:12 AM UTC
6 products affected across 2 vendorsUboot Secondary Program LoaderI.Mx 8M MiniI.Mx 8M Nano

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Uboot Secondary Program Loader· Nxp
95%
v < 2023.07
Affected range stops below 2023.07, so it looks safe — our inference, not a vendor statement
nxp-i-mx-8m (environment) · nxp-i-mx-8m-mini (environment) · nxp-i-mx-8m-nano (environment) · nxp-i-mx-8m-plus (environment)
Uboot Secondary Program Loader· U Boot Secondary Program Loader Spl
60%
v < 2023.07
Affected range stops below 2023.07, so it looks safe — our inference, not a vendor statement
I.Mx 8M· Nxpdevice
80%
All versions
I.Mx 8M Mini· Nxpdevice
80%
All versions
I.Mx 8M Nano· Nxpdevice
80%
All versions
I.Mx 8M Plus· Nxpdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

MitigationPatchVendor Advisory
Source: [email protected]
https://community.nxp.com/t5/i-MX-Security/U-Boot-Secondary-Program-Loader-Authentication-Vulnerability-CVE/ta-p/1736196
Product
Source: [email protected]
https://nxp.com

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-281

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