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

CVE-2022-36338

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