CVE-2017-18203

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    CVE-2017-18203

    Published: 27 Feb 2018Last Modified: 15 Mar 2026

    Summary:

    Details: The dm_get_from_kobject function in drivers/md/dm.c in the Linux kernel before 4.14.3 allow local users to cause a denial of service (BUG) by leveraging a race condition with __dm_destroy during creation and removal of DM devices.

    References: https://usn.ubuntu.com/3655-2/, https://usn.ubuntu.com/3657-1/, https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html, https://usn.ubuntu.com/3653-1/, https://usn.ubuntu.com/3619-2/, https://usn.ubuntu.com/3653-2/, https://usn.ubuntu.com/3655-1/, https://usn.ubuntu.com/3619-1/, http://www.securityfocus.com/bid/103184, https://access.redhat.com/errata/RHSA-2018:0676, https://access.redhat.com/errata/RHSA-2018:1062, https://www.debian.org/security/2018/dsa-4187, https://access.redhat.com/errata/RHSA-2018:1854, https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.3, https://access.redhat.com/errata/RHSA-2019:4154, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9a41d21dceadf8104812626ef85dc56ee8a60ed, https://github.com/torvalds/linux/commit/b9a41d21dceadf8104812626ef85dc56ee8a60ed

    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-2017-18203 | CVE-DB