CVE-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 •
CVE-2021-46756
https://notcve.org/view.php?id=CVE-2021-46756
Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious Uapp or ABL to send malformed or invalid syscall to the bootloader resulting in a potential denial of service and loss of integrity. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 • CWE-20: Improper Input Validation •
CVE-2021-26406
https://notcve.org/view.php?id=CVE-2021-26406
Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization) and SEV-ES user application can lead to a host crash potentially resulting in denial of service. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 •
CVE-2023-20520
https://notcve.org/view.php?id=CVE-2023-20520
Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun potentially leading to arbitrary code execution. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 • CWE-787: Out-of-bounds Write •