ALPINE-CVE-2020-25632

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    ALPINE-CVE-2020-25632

    Published: 3 Mar 2021Last Modified: 11 Sept 2026
    Upstream:
    CVE-2020-25632

    Summary:

    Details: A flaw was found in grub2 in versions prior to 2.06. The rmmod implementation allows the unloading of a module used as a dependency without checking if any other dependent module is still loaded leading to a use-after-free scenario. This could allow arbitrary code to be executed or a bypass of Secure Boot protections. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

    References: https://security.alpinelinux.org/vuln/CVE-2020-25632

    Affected packages

    Package

    Name: grub

    Purl: pkg:apk/alpine/grub?arch=source

    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
    ALPINE-CVE-2020-25632 | CVE-DB