Insyde's Security Pledge
Insyde Security Advisory 2023024
| Insyde ID | Advisory Category | Impact of Vulnerability | Severity Rating | Original Date | Last Revised |
| INSYDE-SA-2023024 | Software | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H | 8.2 | 04/10/2023 | 04/10/2023 |
Summary:
[EDK2] MdeModulePkg/PiSmmCore: SmmEntryPoint underflow.
Vulnerability Details
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
Kernel 5.0: Version 05.0A.03
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 05.44.53
Kernel 5.5: Version 05.52.53
Revision History:
| Revision | Date | Description |
| 1.0 | 04/10/2023 | Initial Release |
| -- | -- | -- |