Insyde's Security Pledge
Recent Security Advisories

INSYDE-SA-2022029
Product
CVSS Score
Original Date
Last Revised
InsydeH2O
7.5
2022-09-21
Summary
SMM callout vulnerability in SMM driver (SMM arbitrary code execution) in InsydeH2O.
Vulnerability Details
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
This affects the FwBlockServiceSmm driver of InsydeH2O. This issue was discovered by the Binarly efiXplorer team. The issue is fixed in InsydeH2O, versions:
Solution Information
Kernel 5.0 (issue IB02961494 in version 05.09.37)
Kernel 5.1 (issue IB02961494 in version 05.17.37)
Kernel 5.2 (issue IB02961494 in version 05.27.30 or issue IB02961505 in version 05.27.37)
Kernel 5.3 (issue IB02961493 in version 05.36.30 or issue IB02961505 in version 05.36.37)
Kernel 5.4 (issue IB02961493 in version 05.44.30 or issue IB02961505 in version 05.44.37)
Kernel 5.5 (issue IB02961493 in version 05.52.30 or issue IB02961505 in version 05.52.37)
Acknowledgements
Insyde Software would like to thank Binarly for reporting this issue.
Revision History
Revision #
Date
Description
1
2022-09-21
Initial Release