Memory Handling Vulnerability in Tianocore EDK II Firmware
CVE-2021-28216

7.8HIGH

Key Information:

Vendor

Tianocore

Status
Edk Ii
Vendor
CVE Published:
5 August 2021

What is CVE-2021-28216?

A vulnerability exists in Tianocore EDK II firmware due to improper handling of the BootPerformanceTable pointer, which is read from an NVRAM variable during the Pre-EFI Initialization (PEI) phase. This mismanagement can lead to potential issues in firmware performance reporting, and it is advised to set the PcdFirmwarePerformanceDataTableS3Support configuration to FALSE to mitigate associated risks.

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Affected Version(s)

EDK II EDK II Master

References

https://bugzilla.tianocore.org/show_bug.cgi?id=2957
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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