7.2
CVSSv2

CVE-2021-45971

Published: 06/01/2022 Updated: 29/03/2022
CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9
CVSS v3 Base Score: 8.2 | Impact Score: 6 | Exploitability Score: 1.5
VMScore: 641
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Summary

An issue exists in SdHostDriver in Insyde InsydeH2O with kernel 5.1 prior to 05.16.25, 5.2 prior to 05.26.25, 5.3 prior to 05.35.25, 5.4 prior to 05.43.25, and 5.5 prior to 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 (CommBufferData).

Vulnerability Trend

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insyde insydeh2o