UBUNTU-CVE-2018-6764

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    UBUNTU-CVE-2018-6764

    Published: 7 Feb 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-6764
    Aliases:
    USN-3576-1

    Summary:

    Details: util/virlog.c in libvirt does not properly determine the hostname on LXC container startup, which allows local guest OS users to bypass an intended container protection mechanism and execute arbitrary commands via a crafted NSS module.

    References: https://ubuntu.com/security/CVE-2018-6764, https://ubuntu.com/security/notices/USN-3576-1, https://www.cve.org/CVERecord?id=CVE-2018-6764

    Affected packages

    Package

    Name: libvirt

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.3.1-1ubuntu10.19

    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