
CVE-2023-20591
https://notcve.org/view.php?id=CVE-2023-20591
13 Aug 2024 — Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability. Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability. • https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html • CWE-665: Improper Initialization •

CVE-2023-20578
https://notcve.org/view.php?id=CVE-2023-20578
13 Aug 2024 — A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution. A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution. • https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •

CVE-2024-21980
https://notcve.org/view.php?id=CVE-2024-21980
05 Aug 2024 — Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity. • https://github.com/Freax13/cve-2024-21980-poc • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVE-2024-21978
https://notcve.org/view.php?id=CVE-2024-21978
05 Aug 2024 — Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data leakage or data corruption. • https://github.com/Freax13/cve-2024-21978-poc • CWE-20: Improper Input Validation •

CVE-2023-20594
https://notcve.org/view.php?id=CVE-2023-20594
20 Sep 2023 — Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access. La inicialización incorrecta de variables en el controlador DXE puede permitir que un usuario privilegiado filtre información sensible a través del acceso local. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4007 • CWE-665: Improper Initialization •

CVE-2021-26371
https://notcve.org/view.php?id=CVE-2021-26371
09 May 2023 — A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure. A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 •

CVE-2021-26354
https://notcve.org/view.php?id=CVE-2021-26354
09 May 2023 — Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause arbitrary memory values to be initialized to zero, potentially leading to a loss of integrity. Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause arbitrary memory values to be initialized to zero, potentially leading to a loss of integrity. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVE-2023-20532
https://notcve.org/view.php?id=CVE-2023-20532
10 Jan 2023 — Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of service. Una validación de entrada insuficiente en la SMU puede permitir que un atacante bloquee recursos incorrectamente, lo que podría provocar una denegación de servicio. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 • CWE-20: Improper Input Validation •

CVE-2023-20531
https://notcve.org/view.php?id=CVE-2023-20531
10 Jan 2023 — Insufficient bound checks in the SMU may allow an attacker to update the SRAM from/to address space to an invalid value potentially resulting in a denial of service. Las comprobaciones limitadas insuficientes en la SMU pueden permitir que un atacante actualice la SRAM desde/hacia el espacio de direcciones a un valor no válido, lo que podría provocar una denegación de servicio. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVE-2023-20530
https://notcve.org/view.php?id=CVE-2023-20530
10 Jan 2023 — Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of service. Una validación de entrada insuficiente de los mensajes del buzón del BIOS en SMU puede provocar lecturas de memoria fuera de los límites, lo que podría provocar una denegación de servicio. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 • CWE-20: Improper Input Validation •