AMD Ryzen 9 3950xt Firmware vulnerabilities

2 CVEs affecting AMD Ryzen 9 3950xt Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-46774, published 2023-11-14.

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

• CVE-2021-46774, published 2023-11-14. High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days. Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service.
• CVE-2021-26356, published 2023-05-09. High severity, CVSS 7.4. EPSS: 0.4% chance of exploitation in the next 30 days. A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially resulting in S3 data corruption and information disclosure.