DEBIAN-CVE-2021-38576

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    DEBIAN-CVE-2021-38576

    Published: 3 Jan 2022Last Modified: 1 Sept 2026
    Upstream:
    CVE-2021-38576

    Summary:

    Details: A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty. This can be used to permanently brick the TPM in multiple ways, as well as to non-permanently DoS the system.

    References: https://security-tracker.debian.org/tracker/CVE-2021-38576

    Affected packages

    Package

    Name: edk2

    Purl: pkg:deb/debian/edk2?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2021.11-1

    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
    DEBIAN-CVE-2021-38576 | CVE-DB