Insyde Security Advisory 2023035

Insyde ID Advisory Category Impact of Vulnerability Severity Rating Original Date Last Revised
INSYDE-SA-2023035 Software CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L 6.4 05/05/2023 05/05/2023


Insufficient TSEG Overlap Checks.

Vulnerability Details


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
AlderLake-N: Version
AlderLake: Version
RocketLake: Version
TigerLake: Version
JasperLake: Version


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
1.0 05/05/2023 Initial Release
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