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CVE-2025-4424 is an improper input validation vulnerability in Lenovo-specific code within the SetupAutomationSmm module. According to the provided context, the issue is in an SMI handler that permits arbitrary calls to SmmSetVariable with unsanitized arguments. This indicates the handler does not sufficiently validate attacker-controlled input before invoking the SMM variable-setting routine, allowing a privileged local attacker to influence protected variable operations from the SMI path. The vulnerability is classified as CWE-20 and has CVSS v3.1 vector AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N.
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No public exploit code observed for this vulnerability.
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Cross-references every affected SKU, including bundled OEM variants.
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