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

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

Status : Modified
Published: 2022-09-23T18:15:10.803
Modified: 2025-05-05T17:18:17.843
Link: CVE-2022-36338

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