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CVE-2021-28216

Published: 5 August 2021

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

Priority

Low

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
edk2
Launchpad, Ubuntu, Debian
bionic Needed

focal Needed

hirsute Ignored
(reached end-of-life)
impish Ignored
(reached end-of-life)
jammy Not vulnerable
(2021.11-1)
kinetic Not vulnerable
(2021.11-1)
trusty Does not exist

upstream Needs triage

xenial Needs triage

Patches:
upstream: https://github.com/tianocore/edk2/commit/466ebdd2e0919c1538d03cd59833704bd5e1c028

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H