UBUNTU-CVE-2018-5390

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    UBUNTU-CVE-2018-5390

    Published: 6 Aug 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-5390
    Aliases:
    USN-3732-1
    USN-3732-2
    USN-3741-1

    Summary:

    Details: Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service.

    References: https://ubuntu.com/security/CVE-2018-5390, https://www.kb.cert.org/vuls/id/962459, https://ubuntu.com/security/notices/USN-3732-1, https://ubuntu.com/security/notices/USN-3732-2, https://ubuntu.com/security/notices/USN-3741-1, https://ubuntu.com/security/notices/USN-3741-2, https://ubuntu.com/security/notices/USN-3742-1, https://ubuntu.com/security/notices/USN-3742-2, https://ubuntu.com/security/notices/USN-3763-1, https://www.cve.org/CVERecord?id=CVE-2018-5390

    Affected packages

    Package

    Name: linux

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-155.205

    Affected versions

    3.11.0-12.19

    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