VYPR

Secure Processor

by AMD

CVEs (36)

  • CVE-2021-46756CriMay 9, 2023
    risk 0.59cvss 9.1epss 0.01

    Insufficient validation of inputs in SVC_MAP_USER_STACK 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-2021-46754CriMay 9, 2023
    risk 0.59cvss 9.1epss 0.01

    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…

  • CVE-2021-46753CriMay 9, 2023
    risk 0.59cvss 9.1epss 0.01

    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…

  • CVE-2023-20514HigFeb 11, 2026
    risk 0.57cvss epss 0.00

    Improper handling of parameters in the AMD Secure Processor (ASP) could allow a privileged attacker to pass an arbitrary memory value to functions in the trusted execution environment resulting in arbitrary code execution

  • CVE-2025-61972HigMay 13, 2026
    risk 0.55cvss epss 0.00

    Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System Management Network (SMN) access, potentially resulting in arbitrary code execution in AMD Secure Processor (ASP) and loss of the SEV-SNP guest's confidentiality…

  • CVE-2023-31323HigFeb 12, 2026
    risk 0.55cvss epss 0.00

    Type confusion in the AMD Secure Processor (ASP) could allow an attacker to pass a malformed argument to the External Global Memory Interconnect Trusted Agent (XGMI TA) leading to a memory safety violation potentially resulting in loss of confidentiality, integrity, or…

  • CVE-2023-31324HigFeb 11, 2026
    risk 0.51cvss 7.8epss 0.00

    A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to modify External Global Memory Interconnect Trusted Agent (XGMI TA) commands as they are processed potentially resulting in loss of confidentiality, integrity, or…

  • CVE-2023-20548HigFeb 11, 2026
    risk 0.51cvss 7.8epss 0.00

    A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in loss of integrity, confidentiality, or availability.

  • CVE-2021-26360HigNov 9, 2022
    risk 0.51cvss 7.8epss 0.00

    An attacker with local access to the system can make unauthorized modifications of the security configuration of the SOC registers. This could allow potential corruption of AMD secure processor’s encrypted memory contents which may lead to arbitrary code execution in ASP.

  • CVE-2020-12931HigNov 9, 2022
    risk 0.51cvss 7.8epss 0.00

    Improper parameters handling in the AMD Secure Processor (ASP) kernel may allow a privileged attacker to elevate their privileges potentially leading to loss of integrity.

  • CVE-2021-26335HigNov 16, 2021
    risk 0.51cvss 7.8epss 0.00

    Improper input and range checking in the AMD Secure Processor (ASP) boot loader image header may allow an attacker to use attacker-controlled values prior to signature validation potentially resulting in arbitrary code execution.

  • CVE-2021-46794HigMay 9, 2023
    risk 0.49cvss 7.5epss 0.01

    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.

  • CVE-2023-20524HigMay 9, 2023
    risk 0.49cvss 7.5epss 0.00

    An attacker with a compromised ASP could possibly send malformed commands to an ASP on another CPU, resulting in an out of bounds write, potentially leading to a loss a loss of integrity.

  • CVE-2021-46749HigMay 9, 2023
    risk 0.49cvss 7.5epss 0.01

    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.

  • CVE-2025-29951HigFeb 10, 2026
    risk 0.47cvss epss 0.00

    A buffer overflow in the AMD Secure Processor (ASP) bootloader could allow an attacker to overwrite memory, potentially resulting in privilege escalation and arbitrary code execution.

  • CVE-2022-23817HigAug 13, 2024
    risk 0.47cvss epss 0.00

    Insufficient checking of memory buffer in AMD Secure Processor (ASP) Secure OS may allow an attacker with a malicious trusted application to read/write to the ASP Secure OS kernel virtual address space, potentially resulting in privilege escalation.

  • CVE-2021-46747HigJun 1, 2026
    risk 0.46cvss epss 0.00

    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-2023-31316HigMay 15, 2026
    risk 0.46cvss epss 0.00

    Improperly preserved integrity of hardware configuration state during a power save/restore operation in the AMD Secure Processor (ASP) could allow an attacker with the ability to write outside the trusted memory range (TMR) to change the execution flow of the Video Core Next…

  • CVE-2021-26397HigMay 9, 2023
    risk 0.46cvss 7.1epss 0.00

    Insufficient address validation, may allow an attacker with a compromised ABL and UApp to corrupt sensitive memory locations potentially resulting in a loss of integrity or availability.

  • CVE-2021-46779HigJan 11, 2023
    risk 0.46cvss 7.1epss 0.00

    Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential loss of integrity and availability.

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