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: 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: 4.7EPSS: 0%CPEs: 340EXPL: 0CVE-2022-27672 – kernel: AMD: Cross-Thread Return Address Predictions
https://notcve.org/view.php?id=CVE-2022-27672
When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure. A flaw was found in HW. When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch, potentially resulting in information disclosure. • https://security.gentoo.org/glsa/202402-07 https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1045 https://access.redhat.com/security/cve/CVE-2022-27672 https://bugzilla.redhat.com/show_bug.cgi?id=2174765 •
CVSS: 7.8EPSS: 0%CPEs: 294EXPL: 0CVE-2021-26316
https://notcve.org/view.php?id=CVE-2021-26316
Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1031 https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 • CWE-20: Improper Input Validation •
CVSS: 7.8EPSS: 0%CPEs: 252EXPL: 0CVE-2021-26392
https://notcve.org/view.php?id=CVE-2021-26392
Insufficient verification of missing size check in 'LoadModule' may lead to an out-of-bounds write potentially allowing an attacker with privileges to gain code execution of the OS/kernel by loading a malicious TA. Una verificación insuficiente del tamaño faltante en 'LoadModule' puede provocar una escritura fuera de límites que podría permitir que un atacante con privilegios obtenga la ejecución de código del sistema operativo/kernel cargando un TA malicioso. • https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1029 https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-5001 • CWE-787: Out-of-bounds Write •