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-2021-46764

Improper validation of DRAM addresses in SMU may allow an attacker to overwrite sensitive memory locations within the ASP potentially resulting in a denial of service...

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...

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-2021-26371

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-2021-46749

Insufficient bounds checking in ASP AMD Secure Processor may allow for an out of bounds read in SMI System Management Interface mailbox checksum calculation triggering a data abort, resulting in a potential denial of service...

Out-of-bounds

Insufficient bounds checking in ASP AMD Secure Processor may allow for an out of bounds read in SMI System Management Interface mailbox checksum calculation triggering a data abort, resulting in a potential denial of service...

Stack overflow

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...

Out-of-bounds

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...

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...

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...

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-2021-46794

CVE-2021-46794 refers to an insufficient bounds check in the AMD Secure Processor (ASP) that may allow an out-of-bounds read in the System Management Interface (SMI) mailbox checksum calculation, triggering a data abort and potentially causing denial of service. Connected documents corroborate th...

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-2021-46773

Insufficient input validation in ABL may enable a privileged attacker to corrupt ASP memory, potentially resulting in a loss of integrity or code execution...

CVE-2021-46773

CVE-2021-46773 involves insufficient input validation in the AMD bootloader (ABL) that may allow a privileged attacker to corrupt the AMD Secure Processor (ASP) memory, potentially resulting in loss of integrity or code execution. The connected documents provide concrete details: the vulnerabilit...

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-2021-46765

Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service...

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...