UBUNTU-CVE-2017-14106

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    UBUNTU-CVE-2017-14106

    Published: 1 Sept 2017Last Modified: 26 Aug 2026
    Upstream:
    CVE-2017-14106
    Aliases:
    USN-3443-1
    USN-3443-2
    USN-3443-3

    Summary:

    Details: The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path.

    References: https://ubuntu.com/security/CVE-2017-14106, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=499350a5a6e7512d9ed369ed63a4244b6536f4f8, https://ubuntu.com/security/notices/USN-3443-1, https://ubuntu.com/security/notices/USN-3443-2, https://ubuntu.com/security/notices/USN-3444-1, https://ubuntu.com/security/notices/USN-3444-2, https://ubuntu.com/security/notices/USN-3445-1, https://ubuntu.com/security/notices/USN-3443-3, https://ubuntu.com/security/notices/USN-3445-2, https://www.cve.org/CVERecord?id=CVE-2017-14106

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-133.182

    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