CVSS: 5.7EPSS: 0%CPEs: 186EXPL: 0CVE-2023-20521
https://notcve.org/view.php?id=CVE-2023-20521
TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service. TOCTOU en el ASP Bootloader puede permitir que un atacante con acceso físico altere los registros ROM SPI después de la verificación del contenido de la memoria, lo que podría provocar una pérdida de confidencialidad o una denegación de servicio. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •
CVSS: 7.8EPSS: 0%CPEs: 264EXPL: 0CVE-2023-20555
https://notcve.org/view.php?id=CVE-2023-20555
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 •
CVSS: 5.5EPSS: 0%CPEs: 84EXPL: 0CVE-2023-20588 – Speculative Leaks
https://notcve.org/view.php?id=CVE-2023-20588
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality. Un error de división por cero en algunos procesadores AMD puede potencialmente devolver datos especulativos que resulten en una pérdida de confidencialidad. • http://www.openwall.com/lists/oss-security/2023/09/25/3 http://www.openwall.com/lists/oss-security/2023/09/25/4 http://www.openwall.com/lists/oss-security/2023/09/25/5 http://www.openwall.com/lists/oss-security/2023/09/25/7 http://www.openwall.com/lists/oss-security/2023/09/25/8 http://www.openwall.com/lists/oss-security/2023/09/26/5 http://www.openwall.com/lists/oss-security/2023/09/26/8 http://www.openwall.com/lists/oss-security/2023 • CWE-369: Divide By Zero •
CVSS: 6.8EPSS: 0%CPEs: 244EXPL: 0CVE-2023-20589 – fTPM Voltage Fault Injection
https://notcve.org/view.php?id=CVE-2023-20589
An attacker with specialized hardware and physical access to an impacted device may be able to perform a voltage fault injection attack resulting in compromise of the ASP secure boot potentially leading to arbitrary code execution. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4005 •
CVSS: 7.5EPSS: 0%CPEs: 132EXPL: 0CVE-2020-12965
https://notcve.org/view.php?id=CVE-2020-12965
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. Cuando se combinan con secuencias de software específicas, las CPUs de AMD pueden ejecutar transitoriamente cargas no canónicas y almacenar usando sólo los 48 bits de dirección inferiores, resultando potencialmente en un filtrado de datos • http://www.openwall.com/lists/oss-security/2023/12/05/3 https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1010 • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') •