{"id":"UBUNTU-CVE-2018-6764","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.","modified":"2026-04-22T13:18:45.421367Z","published":"2018-02-07T00:00:00Z","related":["USN-3576-1"],"upstream":["CVE-2018-6764"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-6764"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3576-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-6764"}],"affected":[{"package":{"name":"libvirt","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libvirt@1.3.1-1ubuntu10.19?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1-1ubuntu10.19"}]}],"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","1.3.1-1ubuntu1","1.3.1-1ubuntu2","1.3.1-1ubuntu3","1.3.1-1ubuntu4","1.3.1-1ubuntu6","1.3.1-1ubuntu9","1.3.1-1ubuntu10","1.3.1-1ubuntu10.1","1.3.1-1ubuntu10.2","1.3.1-1ubuntu10.3","1.3.1-1ubuntu10.5","1.3.1-1ubuntu10.6","1.3.1-1ubuntu10.7","1.3.1-1ubuntu10.8","1.3.1-1ubuntu10.10","1.3.1-1ubuntu10.11","1.3.1-1ubuntu10.12","1.3.1-1ubuntu10.13","1.3.1-1ubuntu10.14","1.3.1-1ubuntu10.15","1.3.1-1ubuntu10.17","1.3.1-1ubuntu10.18"],"ecosystem_specific":{"binaries":[{"binary_name":"libvirt-bin","binary_version":"1.3.1-1ubuntu10.19"},{"binary_name":"libvirt0","binary_version":"1.3.1-1ubuntu10.19"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6764.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}