Insyde's Security Pledge

Recent Security Advisories

INSYDE-SA-2022042

Product

CVSS Score

Original Date

Last Revised

InsydeH2O

8.2

2022-11-08

Summary

DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values (a TOCTOU attack).

Vulnerability Details

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVE-2022-30773

DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack). This issue was discovered by Insyde engineering. This issue is fixed in:

Solution Information

Kernel 5.4: 05.44.23
Kernel 5.5: 05.52.23

Acknowledgements

Revision History

Revision #

Date

Description

1

2022-11-08

Initial Release