Design/Logic Flaw

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...

Denial of service

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...

Input validation

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-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...

CVE-2021-46769

Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution...

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...

Information disclosure

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-2021-46792

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-2021-46755

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-2021-46755

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-2021-46754

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-2021-46754

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-2021-26356

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-2021-26356

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-2021-46769

Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution...

CVE-2021-46769

CVE-2021-46769 affects the AMD ASP bootloader (ASP) and allows a privileged attacker to trigger insufficient syscall input validation to perform arbitrary DMA copies, potentially leading to code execution. The AMD AMD-SB-3001 bulletin summarizes the impact as high for this CVE and links remediati...

CVE-2021-26356: Time-of-check Time-of-use (TOCTOU) Race Condition

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-2021-46792: Time-of-check Time-of-use (TOCTOU) Race Condition

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-2021-46769: Improper Input Validation

Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution...