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
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