Security News > 2022 > September > New Lenovo BIOS updates fix security bugs in hundreds of models
Chinese computer manufacturer Lenovo has issued a security advisory to warn of several high-severity BIOS vulnerabilities impacting hundreds of devices in the various models.
CVE-2022-40134: Information leak flaw in the SMI Set Bios Password SMI Handler, allowing an attacker to read SMM memory.
CVE-2022-40136: Information leak flaw in SMI Handler used for configuring platform settings over WMI, enabling an attacker to read SMM memory.
Lenovo has fixed the issues in the latest BIOS updates for impacted products.
A complete list of the impacted computer models and the BIOS firmware version that addresses each vulnerability is included in the security bulletin, with links to the download portal for each model.
Lenovo computer owners may navigate to the "Drivers & Software" portal, search for their product by name, select "Manual Update", and download the latest available BIOS firmware version.
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Related Vulnerability
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2023-01-30 | CVE-2022-40136 | Out-of-bounds Read vulnerability in Lenovo products An information leak vulnerability in SMI Handler used to configure platform settings over WMI in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory. | 4.4 |
| 2023-01-30 | CVE-2022-40134 | Out-of-bounds Read vulnerability in Lenovo products An information leak vulnerability in the SMI Set BIOS Password SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory. | 4.4 |