Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-35895

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
21/09/2022
Last modified:
05/05/2025

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.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.20 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.20
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* 5.0 (including) 05.09.37 (excluding)
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* 5.1 (including) 05.17.37 (excluding)
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* 5.2 (including) 05.27.29 (excluding)
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* 5.3 (including) 05.36.29 (excluding)
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* 5.4 (including) 05.44.29 (excluding)
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* 5.5 (including) 05.52.29 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools