CVE-2021-46756

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    CVE-2021-46756

    Published: 9 May 2023Last Modified: 10 Mar 2026

    Summary:

    Details: 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.

    References: , https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001, https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-46756 | CVE-DB