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CVE-2021-26333

nvd nist
Published: Sep 21, 2021Modified: Jun 17, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploitability: 1.8 / Impact: 3.6
Source: NVD

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.

Affected (2)

Amd
2 products
Chipset Driver
Psp Driver
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Chipset Driver
Before 3.08.17.735
Psp Driver
Before 5.17.0.0

Related CWEs

CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CWE-909
Missing Initialization of Resource
The product does not initialize a critical resource.

References (6)

Source: psirt@amd.com
Third Party AdvisoryVDB Entry
Source: psirt@amd.com
Mailing ListThird Party Advisory
Source: psirt@amd.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.