
CVE-2023-20571
https://notcve.org/view.php?id=CVE-2023-20571
14 Nov 2023 — A race condition in System Management Mode (SMM) code may allow an attacker using a compromised user space to leverage CVE-2018-8897 potentially resulting in privilege escalation. Una condición de ejecución en el código de System Management Mode (SMM) puede permitir que un atacante que utilice un espacio de usuario comprometido aproveche CVE-2018-8897, lo que podría generar una escalada de privilegios. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVE-2023-20565
https://notcve.org/view.php?id=CVE-2023-20565
14 Nov 2023 — Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access. Las protecciones insuficientes en el código del System Management Mode (SMM) pueden permitir que un atacante habilite potencialmente la escalada de privilegios a través del acceso local. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 • CWE-269: Improper Privilege Management •

CVE-2023-20563
https://notcve.org/view.php?id=CVE-2023-20563
14 Nov 2023 — Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access. Las protecciones insuficientes en el código del System Management Mode (SMM) pueden permitir que un atacante habilite potencialmente la escalada de privilegios a través del acceso local. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 • CWE-269: Improper Privilege Management •

CVE-2023-20533
https://notcve.org/view.php?id=CVE-2023-20533
14 Nov 2023 — 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. Una validación de dirección DRAM insuficiente en System Management Unit (SMU) puede permitir que un atacante lea/escriba desde/hacia una dirección DRAM no válida, lo que podría provocar una denegación de servicio. Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an ... • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 •

CVE-2021-46774
https://notcve.org/view.php?id=CVE-2021-46774
14 Nov 2023 — 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. Una validación de dirección DRAM insuficiente en System Management Unit (SMU) puede permitir que un atacante lea/escriba desde/hacia una dirección DRAM no válida, lo que podría provocar una denegación de servicio. Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an ... • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 •

CVE-2023-20597
https://notcve.org/view.php?id=CVE-2023-20597
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-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-2023-20555
https://notcve.org/view.php?id=CVE-2023-20555
08 Aug 2023 — Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an attacker-controlled pointer potentially leading to arbitrary code execution in SMM. Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an attacker-controlled pointer potentially leading to arbitrary code execution in SMM. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4003 • CWE-787: Out-of-bounds Write •

CVE-2023-20569 – amd: Return Address Predictor vulnerability leading to information disclosure
https://notcve.org/view.php?id=CVE-2023-20569
08 Aug 2023 — A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure. Una vulnerabilidad de canal lateral en algunas de las CPU de AMD puede permitir que un atacante influya en la predicción de la dirección de retorno. Esto puede dar lugar a una ejecución especulativa en una dirección controlada por el atacante, lo que podría conducir a l... • http://www.openwall.com/lists/oss-security/2023/08/08/4 • CWE-203: Observable Discrepancy •

CVE-2021-26356
https://notcve.org/view.php?id=CVE-2021-26356
09 May 2023 — 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. 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. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •