CVE-2021-46747: Insufficient Granularity of Access Control

Insufficient granularity of access control in ASP AMD Secure Processor may allow an attacker with an untrusted user space application to map sensitive SMN System Management Network apertures leading to a potential escalation of privileges...

CVE-2021-46748: Improper Restriction of Operations within the Bounds of a Memory Buffer

Insufficient bounds checking in the ASP AMD Secure Processor may allow an attacker to access memory outside the bounds of what is permissible to a TA Trusted Application resulting in a potential denial of service...

CVE-2021-46756: Improper Input Validation

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-2021-46753: Undefined Security Weakness

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-2021-46754: Improper Input Validation

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-2021-26346: Integer Overflow or Wraparound

Failure to validate the integer operand in ASP AMD Secure Processor bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service...