USN-3909-1

    Dashboard / Vulnerabilities / USN-3909-1

    USN-3909-1

    Published: 14 Mar 2019Last Modified: 22 Apr 2026

    Summary: libvirt vulnerability

    Details: It was discovered that libvirt incorrectly handled waiting for certain agent events. An attacker inside a guest could possibly use this issue to cause libvirtd to stop responding, resulting in a denial of service.

    References: https://ubuntu.com/security/notices/USN-3909-1, https://ubuntu.com/security/CVE-2019-3840

    Affected packages

    Package

    Name: libvirt

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.3.1-1ubuntu10.25

    Affected versions

    1.2.16-2ubuntu11
    1.2.16-2ubuntu12
    1.2.16-2ubuntu13
    1.2.16-2ubuntu14
    1.2.21-2ubuntu1
    1.2.21-2ubuntu3
    1.2.21-2ubuntu4
    1.2.21-2ubuntu5
    1.2.21-2ubuntu7
    1.2.21-2ubuntu8
    1.2.21-2ubuntu9
    1.2.21-2ubuntu10

    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