Insyde's Security Pledge
Recent Security Advisories

INSYDE-SA-2023035
Product
CVSS Score
Original Date
Last Revised
InsydeH2O
6.4
2023-05-05
Summary
Insufficient TSEG Overlap Checks.
Vulnerability Details
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L
Due to insufficient input validation, an attacker can tamper with a runtime-accessible EFI variable to cause a dynamic BAR setting to overlap SMRAM.
Solution Information
Intel Mobile Platforms:
RapterLake: Version 05.45.02.0028
AlderLake-N: Version 05.44.45.0015
AlderLake: Version 05.44.34.0053
RocketLake: Version 05.42.52.0027
TigerLake: Version 05.43.12.0057
JasperLake: Version 05.43.01.0026
Acknowledgements
Insyde Software would like to thank Jeremy Boone (@uffeux) of the NCC Group for reporting the vulnerability and engaging in this coordinated disclosure.
Revision History
Revision #
Date
Description
1
2023-05-05
Initial Release