USN-3443-2

    Dashboard / Vulnerabilities / USN-3443-2

    USN-3443-2

    Published: 10 Oct 2017Last Modified: 10 Feb 2026

    Summary: linux-hwe vulnerabilities

    Details: USN-3443-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. It was discovered that on the PowerPC architecture, the kernel did not properly sanitize the signal stack when handling sigreturn(). A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-1000255) Andrey Konovalov discovered that a divide-by-zero error existed in the TCP stack implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-14106)

    References: https://ubuntu.com/security/notices/USN-3443-2, https://ubuntu.com/security/CVE-2017-14106, https://ubuntu.com/security/CVE-2017-1000255

    Affected packages

    Package

    Name: linux-hwe

    Purl: pkg:deb/ubuntu/[email protected]~16.04.1?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.10.0-37.41~16.04.1

    Affected versions

    4.8.0-36.36~16.04.1
    4.8.0-39.42~16.04.1
    4.8.0-41.44~16.04.1
    4.8.0-42.45~16.04.1
    4.8.0-44.47~16.04.1
    4.8.0-45.48~16.04.1
    4.8.0-46.49~16.04.1
    4.8.0-49.52~16.04.1
    4.8.0-51.54~16.04.1
    4.8.0-52.55~16.04.1
    4.8.0-53.56~16.04.1
    4.8.0-54.57~16.04.1
    4.8.0-56.61~16.04.1
    4.8.0-58.63~16.04.1

    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