Home/CVE/BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3S
CVE

CVE-2021-28216

BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3S

BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.

HIGH · CVSS 7.8 EPSS 0.00137
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-587Assignment of a Fixed Address to a Pointer
CWE-763Release of Invalid Pointer or Reference
▤

Affected Products & Versions

1
tianocore edk iiall versions
⚠

Public Exploits & PoCs

1
pocbugzilla.tianocore.org · show_bug.cgi?id=2957bugzilla.tianocore.org
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · infosec@edk2.groups.io
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Aug 2021 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
msrcCVE-2021-28216
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html
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