What is CVE-2022-1108?

CVE-2022-1108 is a potential vulnerability in the SMI handler LenovoFlashDeviceInterface in Thinkpad X1 Fold Gen 1 firmware, which could allow an attacker with local access and elevated privileges to execute arbitrary code.

How can an attacker exploit CVE-2022-1108?

An attacker with local access and elevated privileges could exploit CVE-2022-1108 by taking advantage of the improper buffer validation in the SMI handler LenovoFlashDeviceInterface to execute arbitrary code.

What is the severity of CVE-2022-1108?

CVE-2022-1108 has a severity rating of 6.7 (high).

Which software is affected by CVE-2022-1108?

The Thinkpad X1 Fold Gen 1 firmware with version up to and excluding n2pet50w is affected by CVE-2022-1108.

How can I fix CVE-2022-1108?

Apply the latest firmware update provided by Lenovo to fix CVE-2022-1108.

Vulnerability/
CVE-2022-1108

high

7.2

CWE

20 269

22/4/2022

2/8/2024

CVE-2022-1108: Input Validation

First published: Fri Apr 22 2022(Updated: )

A potential vulnerability due to improper buffer validation in the SMI handler LenovoFlashDeviceInterface in Thinkpad X1 Fold Gen 1 could be exploited by an attacker with local access and elevated privileges to execute arbitrary code.

Credit: psirt@lenovo.com

Affected Software	Affected Version	How to fix
Lenovo Thinkpad X1 Fold Gen 1 Firmware	<n2pet50w
Lenovo Thinkpad X1 Fold Gen 1

Remedy

Update system firmware to the version (or newer) indicated for your model in the Product Impact section in LEN-84943.

Never miss a vulnerability like this again

Reference Links

https://support.lenovo.com/us/en/product_security/LEN-84943

Frequently Asked Questions

What is CVE-2022-1108?
CVE-2022-1108 is a potential vulnerability in the SMI handler LenovoFlashDeviceInterface in Thinkpad X1 Fold Gen 1 firmware, which could allow an attacker with local access and elevated privileges to execute arbitrary code.
How can an attacker exploit CVE-2022-1108?
An attacker with local access and elevated privileges could exploit CVE-2022-1108 by taking advantage of the improper buffer validation in the SMI handler LenovoFlashDeviceInterface to execute arbitrary code.
What is the severity of CVE-2022-1108?
CVE-2022-1108 has a severity rating of 6.7 (high).
Which software is affected by CVE-2022-1108?
The Thinkpad X1 Fold Gen 1 firmware with version up to and excluding n2pet50w is affected by CVE-2022-1108.
How can I fix CVE-2022-1108?
Apply the latest firmware update provided by Lenovo to fix CVE-2022-1108.

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