CVE-2021-28216 — Assignment of a Fixed Address to a Pointer in EDK II

CWE-587 — Assignment of a Fixed Address to a PointerCWE-763 — Release of Invalid Pointer or Reference8 documents7 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 66.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tianocore Edk2Tianocore EDK II
Timeline
PublishedAug 5
Latest updateSep 28

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶Debiantianocore/edk2< 2020.11-2+deb11u3+3
▶CVEListV5tianocore/edk_iiEDK II Master

🔴Vulnerability Details

3
GHSA
GHSA-6wgv-vj43-rpr5: BootPerformanceTable pointer is read from an NVRAM variable in PEI↗2022-05-24
▶
OSV
CVE-2021-28216: BootPerformanceTable pointer is read from an NVRAM variable in PEI↗2021-08-05
▶
CVEList
CVE-2021-28216: BootPerformanceTable pointer is read from an NVRAM variable in PEI↗2021-08-05
▶

📋Vendor Advisories

2
Microsoft
BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.↗2021-08-10
▶
Debian
CVE-2021-28216: edk2 - BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend se...↗2021
▶

🕵️Threat Intelligence

2
Qualys
Remediate Your Vulnerable Lenovo Systems with Qualys Custom Assessment and Remediation↗2022-09-28
▶
Qualys
Remediate Your Vulnerable Lenovo Systems with Qualys Custom Assessment and Remediation | Qualys↗2022-09-28
▶
CVE-2021-28216 — Tianocore EDK II vulnerability | cvebase