cvedb.io
CVE-2021-45969
HIGH · CVSS 8.2
EPSS exploitation probability: 0%
Published 2022-01-05T23:15:08.833 · Last modified 2026-06-17T04:14:20.493

Summary

An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (the CommBuffer+8 location).

Affected products

insyde — insydeh2o

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.