CVE-2021-38578

Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
References
Link Resource
https://bugzilla.tianocore.org/show_bug.cgi?id=3387 Issue Tracking Vendor Advisory
https://www.insyde.com/security-pledge/SA-2023024 Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:insyde:kernel:5.0:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.1:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.2:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.3:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.4:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.5:*:*:*:*:*:*:*

History

06 Aug 2024, 01:15

Type Values Removed Values Added
Summary (en) Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize. (en) Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.

02 Aug 2023, 17:24

Type Values Removed Values Added
CPE cpe:2.3:o:insyde:kernel:5.4:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.5:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.2:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.1:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.3:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.0:*:*:*:*:*:*:*
References (MISC) https://bugzilla.tianocore.org/show_bug.cgi?id=3387 - Issue Tracking, Permissions Required, Vendor Advisory (MISC) https://bugzilla.tianocore.org/show_bug.cgi?id=3387 - Issue Tracking, Vendor Advisory
References (MISC) https://www.insyde.com/security-pledge/SA-2023024 - (MISC) https://www.insyde.com/security-pledge/SA-2023024 - Third Party Advisory
First Time Insyde
Insyde kernel

23 Jul 2023, 02:15

Type Values Removed Values Added
References
  • (MISC) https://www.insyde.com/security-pledge/SA-2023024 -
Summary Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize. Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.

Information

Published : 2022-03-03 22:15

Updated : 2024-08-06 01:15


NVD link : CVE-2021-38578

Mitre link : CVE-2021-38578

CVE.ORG link : CVE-2021-38578


JSON object : View

Products Affected

insyde

  • kernel

tianocore

  • edk2
CWE
CWE-787

Out-of-bounds Write

CWE-124

Buffer Underwrite ('Buffer Underflow')