Security News > 2021 > July > Lenovo Working on Patches for BIOS Vulnerabilities Affecting Many Laptops
Lenovo this week published information on three vulnerabilities that impact the BIOS of two of its desktop products and approximately 60 laptop and notebook models.
Tracked as CVE-2021-3452 and affecting tens of ThinkPad models, the first of the bugs impacts the system shutdown SMI callback function and could be abused by a local attacker that already has elevated privileges on the device to execute arbitrary code.
In its advisory, Lenovo says it is working on releasing BIOS updates for over 32 ThinkPad models, and that it expects to start rolling out the patches on July 28.
Lenovo says it has already released BIOS updates for the affected ThinkPad devices, but that it is still working to release patches for 13 impacted notebook models.
Tracked as CVE-2021-3614, the third of the vulnerabilities affects Lenovo notebook models only and could allow "An attacker with physical access to elevate privileges under certain conditions during a BIOS update performed by Lenovo Vantage," the computer maker explains.
While BIOS updates for a third model should arrive this week, Lenovo hasn't provided an estimated release date for the rest of the affected devices.
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Related Vulnerability
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-07-16 | CVE-2021-3614 | Unspecified vulnerability in Lenovo products A vulnerability was reported on some Lenovo Notebook systems that could allow an attacker with physical access to elevate privileges under certain conditions during a BIOS update performed by Lenovo Vantage. local lenovo | 4.4 |
| 2021-07-16 | CVE-2021-3452 | Unspecified vulnerability in Lenovo Bios A potential vulnerability in the system shutdown SMI callback function in some ThinkPad models may allow an attacker with local access and elevated privileges to execute arbitrary code. | 4.6 |