CVE-2021-38578

Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
References
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

21 Nov 2024, 06:17

Type Values Removed Values Added
References () https://bugzilla.tianocore.org/show_bug.cgi?id=3387 - Issue Tracking, Vendor Advisory () https://bugzilla.tianocore.org/show_bug.cgi?id=3387 - Issue Tracking, Vendor Advisory
References () https://www.insyde.com/security-pledge/SA-2023024 - Third Party Advisory () https://www.insyde.com/security-pledge/SA-2023024 - Third Party Advisory
CVSS v2 : 7.5
v3 : 9.8
v2 : 7.5
v3 : 7.4

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
References (MISC) https://www.insyde.com/security-pledge/SA-2023024 - (MISC) https://www.insyde.com/security-pledge/SA-2023024 - Third Party Advisory
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
CPE cpe:2.3:o:insyde:kernel:5.4:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.3:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.0:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.1:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.5:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.2:*:*:*:*:*:*:*
First Time Insyde kernel
Insyde

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 : 2024-11-21 06:17


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-124

Buffer Underwrite ('Buffer Underflow')

CWE-787

Out-of-bounds Write