CVE-2022-35895

high

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.

References

https://www.insyde.com/security-pledge/SA-2022033

https://www.insyde.com/security-pledge

https://binarly.io/advisories/BRLY-2022-024/index.html

Details

Source: Mitre, NVD

Published: 2022-09-21

Updated: 2022-09-26

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 8.2

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Severity: High