CVE-2022-35894

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

22/09/2022

Last modified:

05/05/2025

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The SMI handler for the FwBlockServiceSmm driver uses an untrusted pointer as the location to copy data to an attacker-specified buffer, leading to information disclosure.

Impact

Vector 3.x

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

Base Score: 6.00 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

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

Base Score 3.x

6.00

Severity 3.x

MEDIUM

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)	5.17.37 (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

CVE-2022-35894

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools