An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then generate a software SMI.
History

Mon, 05 May 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-09-23T17:17:49.000Z

Updated: 2025-05-05T16:13:56.385Z

Reserved: 2022-07-21T00:00:00.000Z

Link: CVE-2022-36338

cve-icon Vulnrichment

Updated: 2024-08-03T10:00:04.278Z

cve-icon NVD

Status : Modified

Published: 2022-09-23T18:15:10.803

Modified: 2025-05-05T17:18:17.843

Link: CVE-2022-36338

cve-icon Redhat

No data.