Security Advisory

CVE-2022-36338

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2022-09-23 17:17:49

Last updated 2025-05-05 16:13:56

Assigner mitre

State PUBLISHED

Description

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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