Insyde's Security Pledge
Insyde Security Advisory 2022029
| Insyde ID | Advisory Category | Impact of Vulnerability | Severity Rating | Original Date | Last Revised |
| INSYDE-SA-2022029 | Software | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H | 7.5 | 09/21/2022 | 09/21/2022 |
Summary:
SMM callout vulnerability in SMM driver (SMM arbitrary code execution) in InsydeH2O.
Vulnerability Details
This affects the FwBlockServiceSmm driver of InsydeH2O. This issue was discovered by the Binarly efiXplorer team. The issue is fixed in InsydeH2O, versions:
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 |
| 1.0 | 09/21/2022 | Initial Release |
| - | - | - |