UBUNTU-CVE-2017-8824

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    UBUNTU-CVE-2017-8824

    Published: 5 Dec 2017Last Modified: 22 Apr 2026
    Upstream:
    CVE-2017-8824
    Aliases:
    USN-3581-1
    USN-3581-2
    USN-3581-3

    Summary:

    Details: The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.

    References: https://ubuntu.com/security/CVE-2017-8824, http://lists.openwall.net/netdev/2017/12/04/224, http://www.openwall.com/lists/oss-security/2017/12/05/1, https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=69c64866ce072dea1d1e59a0d61e0f66c0dffb76, https://ubuntu.com/security/notices/USN-3581-1, https://ubuntu.com/security/notices/USN-3581-2, https://ubuntu.com/security/notices/USN-3582-1, https://ubuntu.com/security/notices/USN-3582-2, https://ubuntu.com/security/notices/USN-3581-3, https://ubuntu.com/security/notices/USN-3583-1, https://ubuntu.com/security/notices/USN-3583-2, https://www.cve.org/CVERecord?id=CVE-2017-8824

    Affected packages

    Package

    Name: linux

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-142.191

    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