USN-5279-1

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    USN-5279-1

    Published: 9 Feb 2022Last Modified: 22 Apr 2026

    Summary: util-linux vulnerabilities

    Details: It was discovered that util-linux incorrectly handled unmounting FUSE filesystems. A local attacker could possibly use this issue to unmount FUSE filesystems belonging to other users.

    References: https://ubuntu.com/security/notices/USN-5279-1, https://ubuntu.com/security/CVE-2021-3995, https://ubuntu.com/security/CVE-2021-3996

    Affected packages

    Package

    Name: util-linux

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.34-0.1ubuntu9.3

    Affected versions

    2.34-0.1ubuntu2
    2.34-0.1ubuntu4
    2.34-0.1ubuntu5
    2.34-0.1ubuntu6
    2.34-0.1ubuntu7
    2.34-0.1ubuntu8
    2.34-0.1ubuntu9
    2.34-0.1ubuntu9.1

    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
    USN-5279-1 | CVE-DB