UBUNTU-CVE-2018-8043

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    UBUNTU-CVE-2018-8043

    Published: 10 Mar 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-8043
    Aliases:
    USN-3619-1
    USN-3619-2
    USN-3630-1

    Summary:

    Details: The unimac_mdio_probe function in drivers/net/phy/mdio-bcm-unimac.c in the Linux kernel through 4.15.8 does not validate certain resource availability, which allows local users to cause a denial of service (NULL pointer dereference).

    References: https://ubuntu.com/security/CVE-2018-8043, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5, https://ubuntu.com/security/notices/USN-3619-1, https://ubuntu.com/security/notices/USN-3619-2, https://ubuntu.com/security/notices/USN-3630-1, https://ubuntu.com/security/notices/USN-3630-2, https://ubuntu.com/security/notices/USN-3632-1, https://www.cve.org/CVERecord?id=CVE-2018-8043

    Affected packages

    Package

    Name: linux-aws

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.4.0-1016.16

    Affected versions

    4.4.0-1002.2
    4.4.0-1003.3
    4.4.0-1005.5
    4.4.0-1006.6
    4.4.0-1009.9
    4.4.0-1010.10
    4.4.0-1011.11
    4.4.0-1012.12
    4.4.0-1014.14

    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