CVE-2022-30774

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

15/11/2022

Last modified:

30/04/2025

Description

DMA attacks on the parameter buffer used by the PnpSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack) DMA attacks on the parameter buffer used by the PnpSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack) . This issue was discovered by Insyde engineering during a security review. This iss was fixed in Kernel 5.2: 05.27.29, Kernel 5.3: 05.36.25, Kernel 5.4: 05.44.25, Kernel 5.5: 05.52.25. CWE-367 https://www.insyde.com/security-pledge/SA-2022043

Impact

Vector 3.x

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

Base Score: 6.40 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

6.40

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:insyde:kernel::::::::	5.2 (including)	5.2.05.27.29 (excluding)
cpe:2.3:a:insyde:kernel::::::::	5.3 (including)	5.3.05.36.25 (excluding)
cpe:2.3:a:insyde:kernel::::::::	5.4 (including)	5.4.05.44.25 (excluding)
cpe:2.3:a: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-2022-30774

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools