Insyde's Security Pledge
Insyde Security Advisory 2023019
| Insyde ID | Advisory Category | Impact of Vulnerability | Severity Rating | Original Date | Last Revised |
| INSYDE-SA-2023019 | Software | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L | 8.1 | 04/10/2023 | 04/10/2023 |
Summary:
IhisiServicesSmm: Memory Corruption in FTBS SMI Handler
Vulnerability Details
A malicious host OS can invoke an Insyde SMI handler with malformed arguments, resulting in memory corruption in SMM.
kernel 5.1: Version 05.0A.11
kernel 5.1: Version 05.18.03
kernel 5.2: Version 05.28.03
kernel 5.3: Version 05.37.03
kernel 5.4: Version 05.45.01
kernel 5.5: Version 05.53.01
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 |
| 1.0 | 04/10/2023 | Initial Release |
| -- | -- | -- |