CLEANSTART-2024-MK44569

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    CLEANSTART-2024-MK44569

    Published: 31 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2020-15706

    Summary: GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already execut...

    Details: Security vulnerability affects the grub package. GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-MK44569.json, https://osv.dev/vulnerability/CVE-2020-15706, https://nvd.nist.gov/vuln/detail/CVE-2020-15706

    Affected packages

    Package

    Name: grub

    Purl: pkg:apk/cleanstart/grub

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.06-r0

    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
    CLEANSTART-2024-MK44569 | CVE-DB