CVE-2021-26333

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.

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:C/I:N/A:N

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html	Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2021/Sep/24	Mailing List Third Party Advisory
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:amd:chipset_driver::::::::
	cpe:2.3:a:amd:psp_driver::::::::

History

No history.

Information

Published : 2021-09-21 11:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-26333

Mitre link : CVE-2021-26333

CVE.ORG link : CVE-2021-26333

JSON object : View

Products Affected

amd

psp_driver
chipset_driver

CWE

CWE-909

Missing Initialization of Resource

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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