AMD Ryzen 9 Pro 7940hs Firmware vulnerabilities

5 CVEs affecting AMD Ryzen 9 Pro 7940hs Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-20579, published 2024-02-13.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2023-20596, published 2023-11-14. Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days. Improper input validation in the SMM Supervisor may allow an attacker with a compromised SMI handler to gain Ring0 access potentially leading to arbitrary code execution.
• CVE-2023-20571, published 2023-11-14. High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days. A race condition in System Management Mode (SMM) code may allow an attacker using a compromised user space to leverage CVE-2018-8897 potentially resulting in privilege escalation.
• CVE-2023-20565, published 2023-11-14. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.
• CVE-2023-20563, published 2023-11-14. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.
• CVE-2023-20579, published 2024-02-13. Medium severity, CVSS 6.0. EPSS: 0.2% chance of exploitation in the next 30 days. Improper Access Control in the AMD SPI protection feature may allow a user with Ring0 (kernel mode) privileged access to bypass protections potentially resulting in loss of integrity and…