CVE-2022-30771

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

15/11/2022

Last modified:

30/04/2025

Description

Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions. This issue was discovered by Insyde engineering during a security review. Fixed in: Kernel 5.1: Version 05.17.25 Kernel 5.2: Version 05.27.25 Kernel 5.3: Version 05.36.25 Kernel 5.4: Version 05.44.25 Kernel 5.5: Version 05.52.25 https://www.insyde.com/security-pledge/SA-2022064

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:o:insyde:kernel::::::::	5.1 (including)	5.1.05.17.25 (excluding)
cpe:2.3:o:insyde:kernel::::::::	5.2 (including)	5.2.05.27.25 (excluding)
cpe:2.3:o:insyde:kernel::::::::	5.3 (including)	5.3.05.36.25 (excluding)
cpe:2.3:o:insyde:kernel::::::::	5.4 (including)	5.4.05.44.25 (excluding)
cpe:2.3:o:insyde:kernel::::::::	5.5 (including)	5.5.05.52.25 (excluding)

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

CVE-2022-30771

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools