CVE-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 •
CVE-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') •
CVE-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 •
CVE-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 •
CVE-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 •