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THREATINT
PUBLISHED

CVE-2025-4421

EfiSmiServices: gEfiSmmCpuProtocol, SMM memory corruption vulnerabilities in SMM module



Description

The vulnerability was identified in the code developed specifically for Lenovo. Please visit "Lenovo Product Security Advisories and Announcements" webpage for more information about the vulnerability.  https://support.lenovo.com/us/en/product_security/home

Reserved 2025-05-08 | Published 2025-07-30 | Updated 2025-07-30 | Assigner Insyde


HIGH: 8.2CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Problem types

CWE-787 Out-of-bounds Write

Product status

Default status
unaffected

Feature developed for Lenovo before L05.05.40.011803.172079
affected

Credits

BINARLY REsearch team reporter

References

www.insyde.com/security-pledge/sa-2025007/

support.lenovo.com/us/en/product_security/home

cve.org (CVE-2025-4421)

nvd.nist.gov (CVE-2025-4421)

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