CVE-2023-20593 – hw: amd: Cross-Process Information Leak
https://notcve.org/view.php?id=CVE-2023-20593
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information. A flaw was found in hw, in “Zen 2” CPUs. This issue may allow an attacker to access sensitive information under specific microarchitectural circumstances. • http://seclists.org/fulldisclosure/2023/Jul/43 http://www.openwall.com/lists/oss-security/2023/07/24/3 http://www.openwall.com/lists/oss-security/2023/07/25/1 http://www.openwall.com/lists/oss-security/2023/07/25/12 http://www.openwall.com/lists/oss-security/2023/07/25/13 http://www.openwall.com/lists/oss-security/2023/07/25/14 http://www.openwall.com/lists/oss-security/2023/07/25/15 http://www.openwall.com/lists/oss-security/2023/07/25/1 • CWE-209: Generation of Error Message Containing Sensitive Information CWE-1239: Improper Zeroization of Hardware Register •
CVE-2021-46794
https://notcve.org/view.php?id=CVE-2021-46794
Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting in a potential denial of service. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 • CWE-125: Out-of-bounds Read •
CVE-2021-46773
https://notcve.org/view.php?id=CVE-2021-46773
Insufficient input validation in ABL may enable a privileged attacker to corrupt ASP memory, potentially resulting in a loss of integrity or code execution. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 • CWE-20: Improper Input Validation •
CVE-2021-46759
https://notcve.org/view.php?id=CVE-2021-46759
Improper syscall input validation in AMD TEE (Trusted Execution Environment) may allow an attacker with physical access and control of a Uapp that runs under the bootloader to reveal the contents of the ASP (AMD Secure Processor) bootloader accessible memory to a serial port, resulting in a potential loss of integrity. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 • CWE-787: Out-of-bounds Write •
CVE-2021-46754
https://notcve.org/view.php?id=CVE-2021-46754
Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker with a compromised Uapp or ABL to coerce the bootloader into exposing sensitive information to the SMU (System Management Unit) resulting in a potential loss of confidentiality and integrity. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 • CWE-20: Improper Input Validation •