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

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-09-23T17:17:49

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

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

Link: CVE-2022-36338

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

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

Modified: 2022-09-27T05:01:17.523

Link: CVE-2022-36338

cve-icon Redhat

No data.