UBUNTU-CVE-2019-6974

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    UBUNTU-CVE-2019-6974

    Published: 15 Feb 2019Last Modified: 22 Apr 2026
    Upstream:
    CVE-2019-6974
    Aliases:
    USN-3930-1
    USN-3930-2
    USN-3931-1

    Summary:

    Details: In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.

    References: https://ubuntu.com/security/CVE-2019-6974, https://ubuntu.com/security/notices/USN-3930-1, https://ubuntu.com/security/notices/USN-3930-2, https://ubuntu.com/security/notices/USN-3931-1, https://ubuntu.com/security/notices/USN-3931-2, https://ubuntu.com/security/notices/USN-3932-1, https://ubuntu.com/security/notices/USN-3932-2, https://ubuntu.com/security/notices/USN-3933-1, https://ubuntu.com/security/notices/USN-3933-2, https://www.cve.org/CVERecord?id=CVE-2019-6974

    Affected packages

    Package

    Name: linux

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-168.218

    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
    UBUNTU-CVE-2019-6974 | CVE-DB