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.
History

Mon, 19 May 2025 20:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-126
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 15 May 2025 16:00:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2025-05-15T00:00:00.000Z

Updated: 2025-05-19T20:02:26.495Z

Reserved: 2024-11-17T00:00:00.000Z

Link: CVE-2024-52877

cve-icon Vulnrichment

Updated: 2025-05-19T20:02:17.972Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-05-15T16:15:32.770

Modified: 2025-05-19T20:15:20.227

Link: CVE-2024-52877

cve-icon Redhat

No data.