CVE-2024-52877

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

15/05/2025

Last modified:

15/08/2025

Description

An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver, callback function SmmCreateVariableLockList () calls CreateVariableLockListInSmm (). In CreateVariableLockListInSmm (), it uses StrSize () to get variable name size and it could lead to a buffer over-read.

Impact

Vector 3.x

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

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:insyde:insydeh2o::::::::	5.2 (including)	5.2.05.29.50 (excluding)
cpe:2.3:a:insyde:insydeh2o::::::::	5.3 (including)	5.3.05.38.50 (excluding)
cpe:2.3:a:insyde:insydeh2o::::::::	5.4 (including)	5.4.05.46.50 (excluding)
cpe:2.3:a:insyde:insydeh2o::::::::	5.5 (including)	5.5.05.54.50 (excluding)
cpe:2.3:a:insyde:insydeh2o::::::::	5.6 (including)	5.6.05.61.50 (excluding)
cpe:2.3:a:insyde:insydeh2o::::::::	5.7 (including)	5.7.05.70.50 (excluding)

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

CVE-2024-52877

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools