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

02 Aug 2023, 17:24

Type Values Removed Values Added
CPE cpe:2.3:o:insyde:kernel:5.1:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.5:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.3:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.4:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.0:*:*:*:*:*:*:*
cpe:2.3:o:insyde:kernel:5.2:*:*:*:*:*:*:*
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

23 Jul 2023, 02:15

Type Values Removed Values Added
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.
References
  • (MISC) https://www.insyde.com/security-pledge/SA-2023024 -

10 Mar 2022, 02:12

Type Values Removed Values Added
References (MISC) https://bugzilla.tianocore.org/show_bug.cgi?id=3387 - (MISC) https://bugzilla.tianocore.org/show_bug.cgi?id=3387 - Issue Tracking, Permissions Required, Vendor Advisory
CVSS v2 : unknown
v3 : unknown
v2 : 7.5
v3 : 9.8
CWE CWE-787
CPE cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*

03 Mar 2022, 22:15

Type Values Removed Values Added
New CVE

Information

Published : 2022-03-03 22:15

Updated : 2024-02-04 22:29


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')