CVE-2021-26333
MEDIUMAMD Chipset Driver < 3.08.17.735 and PSP Driver < 5.17.0.0 - Information Disclosure via Uninitialized Physical Pages
Title source: llmDescription
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)
Core 3
Core References
Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2021/Sep/24
Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html
Vendor Advisory x_refsource_misc
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009
Scores
CVSS v3
5.5
EPSS
0.0050
EPSS Percentile
38.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-909
CWE-200
Status
published
Products (3)
amd/chipset_driver
< 3.08.17.735
AMD/PSP Driver
PSP Driver - 5.17.0.0
amd/psp_driver
< 5.17.0.0
Published
Sep 21, 2021
Tracked Since
Feb 18, 2026