CVSS: 5.5EPSS: 0%CPEs: 256EXPL: 0CVE-2021-26371
https://notcve.org/view.php?id=CVE-2021-26371
A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 •
CVSS: 7.4EPSS: 0%CPEs: 196EXPL: 0CVE-2021-26356
https://notcve.org/view.php?id=CVE-2021-26356
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 https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •
CVSS: 5.5EPSS: 0%CPEs: 304EXPL: 0CVE-2021-26354
https://notcve.org/view.php?id=CVE-2021-26354
Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause arbitrary memory values to be initialized to zero, potentially leading to a 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-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
CVSS: 8.8EPSS: 0%CPEs: 178EXPL: 0CVE-2023-20558
https://notcve.org/view.php?id=CVE-2023-20558
Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of privileges. • https://www.amd.com/en/resources/product-security/bulletin/amd-sb-1027.html •
CVSS: 8.8EPSS: 0%CPEs: 178EXPL: 0CVE-2023-20559
https://notcve.org/view.php?id=CVE-2023-20559
Insufficient control flow management in AmdCpmGpioInitSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to escalation of privileges. • https://www.amd.com/en/resources/product-security/bulletin/amd-sb-1027.html •