Amd Ryzen 9 4900h Firmware — known CVE vulnerabilities

Every CVE whose affected-product data names Amd Ryzen 9 4900h Firmware, ordered by CVSS severity, with EPSS exploit prediction and CISA KEV status.

CVEs (12)

• CVE-2022-23821 — CVSS 9.8 (critical): Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code…
• CVE-2023-20555 — CVSS 7.8 (high): Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an…
• CVE-2022-23820 — CVSS 7.5 (high): Failure to validate the AMD SMM communication buffer may allow an attacker to corrupt the SMRAM potentially leading to arbitrary code…
• CVE-2023-4969 — CVSS 6.5 (medium): A GPU kernel can read sensitive data from another GPU kernel (even from another user or app) through an optimized GPU memory region called…
• CVE-2022-23823 — CVSS 6.5 (medium): A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to…
• CVE-2022-23825 — CVSS 6.5 (medium): Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information…
• CVE-2022-29900 — CVSS 6.5 (medium): Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-depend…
• CVE-2021-46758 — CVSS 6.1 (medium): Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory…
• CVE-2023-20579 — CVSS 6.0 (medium): Improper Access Control in the AMD SPI protection feature may allow a user with Ring0 (kernel mode) privileged access to bypass protections…
• CVE-2021-46778 — CVSS 5.6 (medium): Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed “Zen 1”…
• CVE-2022-23824 — CVSS 5.5 (medium): IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information…
• CVE-2022-27672 — CVSS 4.7 (medium): When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode…