CVE-2021-26333

MEDIUM

AMD Chipset Driver < 3.08.17.735 - Information Disclosure

Title source: rule

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.

References (3)

[Mailing List, Third Party Advisory] http://seclists.org/fulldisclosure/2021/Sep/24

[Third Party Advisory, VDB Entry] http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html

[Vendor Advisory] https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009

Scores

CVSS v3 5.5

EPSS 0.0012

EPSS Percentile 29.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE

CWE-909 CWE-200

Status published

Products (2)

amd/chipset_driver < 3.08.17.735

amd/psp_driver < 5.17.0.0

Published Sep 21, 2021

Tracked Since Feb 18, 2026