Insyde's Security Pledge
Insyde Security Advisory 2023035
|Insyde ID||Advisory Category||Impact of Vulnerability||Severity Rating||Original Date||Last Revised|
Insufficient TSEG Overlap Checks.
Due to insufficient input validation, an attacker can tamper with a runtime-accessible EFI variable to cause a dynamic BAR setting to overlap SMRAM.
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
Insyde Software would like to thank Jeremy Boone (@uffeux) of the NCC Group for reporting the vulnerability and engaging in this coordinated disclosure.