CVE-2021-26356

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    CVE-2021-26356

    Published: 9 May 2023Last Modified: 10 Mar 2026

    Summary:

    Details: 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.

    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-2021-26356 | CVE-DB