Security Advisory

CVE-2021-41838

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2022-02-03 01:43:30

Last updated 2025-11-04 19:12:35

Assigner mitre

State PUBLISHED

Description

An issue was discovered in SdHostDriver in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of a Numeric Range Comparison Without a Minimum Check.

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