Information disclosure

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-2021-46792

Time-of-check Time-of-use TOCTOU in the BIOS2PSP command may allow an attacker with a malicious BIOS to create a race condition causing the ASP bootloader to perform out-of-bounds SRAM reads upon an S3 resume event potentially leading to a denial of service...

CVE-2021-46760

A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-of-bounds memory access that may potentially lead to an attacker leaking sensitive information or achieving code execution...

CVE-2021-46759

Consolidated details for CVE-2021-46759 show an improper syscall input validation in the AMD Secure Processor (ASP) Trusted Execution Environment (TEE). Attack requires physical access and control of a UApp running under the bootloader to read ASP bootloader memory via a serial port, potentially ...

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...

CVE-2021-46756

Insufficient validation of inputs in SVCMAPUSERSTACK in the ASP AMD Secure Processor bootloader may allow an attacker with a malicious Uapp or ABL to send malformed or invalid syscall to the bootloader resulting in a potential denial of service and loss of integrity...

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-2021-46756

Insufficient validation of inputs in SVCMAPUSERSTACK in the ASP AMD Secure Processor bootloader may allow an attacker with a malicious Uapp or ABL to send malformed or invalid syscall to the bootloader resulting in a potential denial of service and loss of integrity...

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

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-2021-26371

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

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-2021-26356

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-2023-20520

CVE-2023-20520 affects the AMD Secure Processor (ASP) Bootloader. The issue is described as improper access control in the ASP Bootloader which may allow an attacker to corrupt the return address, causing a stack-based buffer overrun and potentially arbitrary code execution. Connected sources ide...