CVE-2021-46765

CVE-2021-46765 describes an vulnerability in the AMD Secure Processor (ASP) and AMD System Management Unit (SMU), caused by insufficient input validation in the ASP. The issue can permit an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to...

CVE-2021-46756

CVE-2021-46756 describes insufficient validation of inputs in SVC_MAP_USER_STACK in the AMD Secure Processor (ASP) bootloader. A malicious UApp or ABL could send malformed or invalid syscalls to the bootloader, potentially causing a denial of service and loss of integrity. The AMD security bullet...

CVE-2021-46755

Failure to unmap certain SysHub mappings in error paths of the ASP AMD Secure Processor bootloader may allow an attacker with a malicious bootloader to exhaust the SysHub resources resulting in a potential denial of service...

CVE-2021-46755

CVE-2021-46755 concerns the AMD Secure Processor (ASP) bootloader: failure to unmap certain SysHub mappings in error paths could allow a malicious bootloader attacker to exhaust SysHub resources, causing denial of service. The CVE is part of AMD’s ASP/SMU risk set and is listed in AMD-SB-3001 and...

CVE-2021-46754

CVE-2021-46754: Insufficient input validation in the ASP bootloader can allow a compromised UApp/ABL to expose sensitive information to the SMU, risking confidentiality and integrity. AMD-SB-5001 lists this CVE with Medium severity and provides firmware-based mitigations via Platform Initializati...

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...

CVE-2021-46753

CVE-2021-46753 affects the AMD Secure Processor (ASP) sensor fusion hub headers. The issue is described as failure to validate the length fields of these headers, which could allow a malicious UApp or ABL to map the ASP sensor fusion hub region and overwrite data structures, potentially compromis...

CVE-2021-46753

Failure to validate the length fields of the ASP AMD Secure Processor sensor fusion hub headers may allow an attacker with a malicious Uapp or ABL to map the ASP sensor fusion hub region and overwrite data structures leading to a potential loss of confidentiality and integrity...

CVE-2021-46753

Failure to validate the length fields of the ASP AMD Secure Processor sensor fusion hub headers may allow an attacker with a malicious Uapp or ABL to map the ASP sensor fusion hub region and overwrite data structures leading to a potential loss of confidentiality and integrity...

CVE-2021-46749

CVE-2021-46749 corresponds to an out-of-bounds read vulnerability in the AMD Secure Processor (ASP) affecting the System Management Interface (SMI) mailbox checksum calculation, caused by insufficient bounds checking. The vulnerability can trigger a data abort and potentially lead to a denial of ...

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...

CVE-2021-26371

The CVE-2021-26371 entry concerns AMD Secure Processor (ASP)/AMD System Management Unit (SMU) where a compromised ABL or UApp could trigger a SHA256 system call to the bootloader, potentially exposing ASP memory to userspace and causing information disclosure. Technical details from connected sou...

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...

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...

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...

CVE-2021-26356

CVE-2021-26356 describes a TOCTOU vulnerability in the ASP bootloader that can allow tampering with the SPI ROM after memory reads, potentially causing S3 data corruption and information disclosure in AMD Secure Processor/ASP boot scenarios. Affected components include the ASP bootloader within A...

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...

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...

CVE-2021-26354

CVE-2021-26354 affects AMD’s ASP/Bootloader pathway (ASP/ABL) with Insufficient bounds checking that may allow a system call from a compromised ABL, initializing arbitrary memory to zero and potentially compromising integrity. The vulnerability is documented across multiple sources (NVD entry and...

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...