CVE-2022-35895

PoC —

CVSS 3.1

8.2 high

EPSS

<1%p29

Published

Sep 21, 2022 (Sep 21, 2022)

Modified

Jun 17, 2026

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The FwBlockSericceSmm driver does not properly validate input parameters for a software SMI routine, leading to memory corruption of arbitrary addresses including SMRAM, and possible arbitrary code execution.

Vendors: insyde
Products: insydeh2o
Weakness: CWE-787
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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