CVE-2021-26333

Summary

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 Software

Weaknesses

• CWE-200: CWE-200 Information Exposure

ADP Enrichment

CVE Program Container

Additional References

• http://seclists.org/fulldisclosure/2021/Sep/24
• http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html
• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• http://seclists.org/fulldisclosure/2021/Sep/24
• http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html
• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009

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