CVE-2025-4423

CVE-2025-4423 is linked to Lenovo devices running InsydeH2O firmware. Connected documents describe a vulnerability in the InsydeH2O/SMM subsystem that allows a local attacker with privileges to write arbitrary code and trigger memory corruption (buffer flaw), enabling a local privilege escalation...

CVE-2025-4422 EfiSmiServices : EfiPcdProtocol, SMM memory corruption vulnerabilities in SMM module

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/productsecurity/home...

CVE-2025-4421

CVE-2025-4421 involves SMM memory corruption in the InsydeH2O firmware, linked to Lenovo-related firmware code. The root cause is a vulnerability in the SMM module involving gEfiSmmCpuProtocol/EfiSmiServices that can corrupt SMM memory. Connected docs describe insecure firmware leading to unautho...

CVE-2025-4421 EfiSmiServices: gEfiSmmCpuProtocol, SMM memory corruption vulnerabilities in SMM module

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/productsecurity/home...