CVE-2021-46918

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    CVE-2021-46918

    Published: 27 Feb 2024Last Modified: 14 Mar 2026

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: clear MSIX permission entry on shutdown Add disabling/clearing of MSIX permission entries on device shutdown to mirror the enabling of the MSIX entries on probe. Current code left the MSIX enabled and the pasid entries still programmed at device shutdown.

    References: https://git.kernel.org/stable/c/6df0e6c57dfc064af330071f372f11aa8c584997, https://git.kernel.org/stable/c/c84b8982d7aa9b4717dc36a1c6cbc93ee153b500

    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-2021-46918 | CVE-DB