CVE-2021-26333

AMD Chipset Driver Information Disclosure Vulnerability

Published Sep 21, 2021 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-13139 An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMD
Published
Updated
May 28, 2026, 7:51 PM
Reserved
Jan 29, 2021, 12:00 AM
Status
Modified
Published
Sep 21, 2021, 11:15 AM
Modified
Jun 17, 2026, 3:43 AM