UBUNTU-CVE-2021-28216
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 05 Aug 2021, 21:15
Last modified:24 Oct 2025, 04:50
Vulnerability Summary
Overall Risk (default)
medium
31/100 CVSS Score
7.8 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
05 Aug 2021, 21:15
Published
Vulnerability first disclosed
24 Oct 2025, 04:50
Last Modified
Vulnerability information updated
Description
BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.
CVSS Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Systems
- ubuntu•edk2
all | all