AMD Ryzen Pro 3400ge Firmware vulnerabilities

3 CVEs affecting AMD Ryzen Pro 3400ge Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-26346, published 2023-01-11.

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

• CVE-2020-12965, published 2022-02-04. High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days. When combined with specific software sequences, AMD CPUs may transiently execute non-canonical loads and store using only the lower 48 address bits potentially resulting in data leakage.
• CVE-2021-26337, published 2021-11-16. Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days. Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests.
• CVE-2021-26346, published 2023-01-11. Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days. Failure to validate the integer operand in ASP (AMD Secure Processor) bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential…