Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
https://www.insyde.com/security-pledge/SA-2023024
https://bugzilla.tianocore.org/show_bug.cgi?id=3387
Source: Mitre, NVD
Published: 2022-03-03
Updated: 2024-08-06
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
