A AegiFlow
HIGHCVSS 8.2

CVE-2021-41838

CVE-2021-41838 updated by NVD

Modified
2026-08-13
Sources
nvd

Summary

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.

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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