UBUNTU-CVE-2019-8956

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    UBUNTU-CVE-2019-8956

    Published: 22 Feb 2019Last Modified: 4 Feb 2026
    Upstream:
    CVE-2019-8956

    Summary:

    Details: In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.

    References: https://ubuntu.com/security/CVE-2019-8956, https://ubuntu.com/security/notices/USN-3930-1, https://ubuntu.com/security/notices/USN-3930-2, https://www.cve.org/CVERecord?id=CVE-2019-8956

    Affected packages

    Package

    Name: linux-azure

    Purl: pkg:deb/ubuntu/[email protected]~18.04.1?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.18.0-1014.14~18.04.1

    Affected versions

    4.15.0-1002.2
    4.15.0-1003.3
    4.15.0-1004.4
    4.15.0-1008.8
    4.15.0-1009.9
    4.15.0-1012.12
    4.15.0-1013.13
    4.15.0-1014.14
    4.15.0-1018.18
    4.15.0-1019.19
    4.15.0-1021.21
    4.15.0-1022.23
    4.15.0-1023.24
    4.15.0-1025.26
    4.15.0-1028.29
    4.15.0-1030.31
    4.15.0-1031.32
    4.15.0-1032.33
    4.15.0-1035.36
    4.15.0-1036.38
    4.15.0-1037.39

    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