CVE-2020-8354

Published: Nov 11, 2020Modified: Nov 21, 2024

6.7

Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitability: 0.8 / Impact: 5.9

Source: NVD

Description

A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution.

Affected (1)

Products: Lenovo: Notebook Firmware

Lenovo

1 product

Notebook Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Lenovo Notebook Firmware	All versions

Running on/with	Platform Versions
Lenovo Notebook	All versions

Related CWEs

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.

References (2)

https://support.lenovo.com/us/en/product_security/LEN-49266

Source: psirt@lenovo.com

Vendor Advisory

https://support.lenovo.com/us/en/product_security/LEN-49266

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.