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
CVSS v2 : 7.5
v3 : 9.8
v2 : 7.5
v3 : 7.4
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

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:5.1:*:*:*:*:*:*:*
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
CPE cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*
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

03 Mar 2022, 22:15

Type Values Removed Values Added
New CVE

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

tianocore

  • edk2

insyde

  • kernel
CWE
CWE-124

Buffer Underwrite ('Buffer Underflow')

CWE-787

Out-of-bounds Write