CVE-2018-20169

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    CVE-2018-20169

    Published: 17 Dec 2018Last Modified: 15 Mar 2026

    Summary:

    Details: An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.

    References: https://usn.ubuntu.com/3879-2/, https://usn.ubuntu.com/4094-1/, https://access.redhat.com/errata/RHSA-2019:3517, https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html, https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html, https://usn.ubuntu.com/3879-1/, https://usn.ubuntu.com/4118-1/, https://access.redhat.com/errata/RHSA-2019:3309, https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=704620afc70cf47abb9d6a1a57f3825d2bca49cf, https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.9, https://github.com/torvalds/linux/commit/704620afc70cf47abb9d6a1a57f3825d2bca49cf

    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-2018-20169 | CVE-DB