Medium severity5.5NVD Advisory· Published Sep 21, 2021· Updated Jun 17, 2026
CVE-2021-26333
CVE-2021-26333
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 products
5- AMD/PSP Driverv5Range: PSP Driver
Patches
Vulnerability mechanics
References
3- packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.htmlnvdThird Party AdvisoryVDB Entry
- seclists.org/fulldisclosure/2021/Sep/24nvdMailing ListThird Party Advisory
- www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009nvdVendor Advisory
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