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Known vulnerabilities in AMD EPYC™ Embedded 7003

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CVE Summary Score Published
CVE-2023-20577 A heap overflow in SMM module may allow an attacker with access to a second vulnerability that enables writing to SPI… 7.4 High Sep 2, 2026
CVE-2024-36347 Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator… 6.4 Medium Jun 27, 2025
CVE-2023-31345 Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading… 7.5 High Feb 11, 2025
CVE-2023-31343 Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading… 7.5 High Feb 11, 2025
CVE-2023-31342 Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading… 7.5 High Feb 11, 2025
CVE-2024-21925 Improper input validation within the AmdPspP2CmboxV2 driver may allow a privileged attacker to overwrite SMRAM,… 8.2 High Feb 11, 2025
CVE-2023-31356 Incomplete system memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory,… 4.4 Medium Aug 13, 2024
CVE-2023-20578 A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or… 7.5 High Aug 13, 2024
CVE-2023-31315 Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM… 7.5 High Aug 9, 2024
CVE-2024-21980 Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a… 7.9 High Aug 5, 2024
CVE-2024-21978 Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially… 6.0 Medium Aug 5, 2024
CVE-2023-31355 Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC… 6.0 Medium Aug 5, 2024
CVE-2022-23829 A potential weakness in AMD SPI protection features may allow a malicious attacker with Ring0 (kernel mode) access to… 8.2 High Jun 18, 2024
CVE-2023-20566 Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory… 5.3 Medium Nov 14, 2023
CVE-2022-23830 SMM configuration may not be immutable, as intended, when SNP is enabled resulting in a potential limited loss of… 1.9 Low Nov 14, 2023
CVE-2021-26345 Failure to validate the value in APCB may allow a privileged attacker to tamper with the APCB token to force an… 1.9 Low Nov 14, 2023
CVE-2023-20533 Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an… 6.1 Medium Nov 14, 2023
CVE-2023-20521 TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory… 3.3 Low Nov 14, 2023
CVE-2022-23820 Failure to validate the AMD SMM communication buffer may allow an attacker to corrupt the SMRAM potentially leading to… 7.5 High Nov 14, 2023
CVE-2021-46774 Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an… 6.7 Medium Nov 14, 2023
CVE-2023-20597 Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via… Not rated Sep 20, 2023

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