openstack-nova is vulnerable to denial of service. Swapping encrypted volumes can allow an attacker to corrupt the LUKS header on the compute host, causing a denial of service condition.
openwall.com/lists/oss-security/2018/04/20/3
www.securityfocus.com/bid/103104
access.redhat.com/documentation/en-us/red_hat_openstack_platform/12/html/release_notes/
access.redhat.com/errata/RHSA-2018:2332
access.redhat.com/errata/RHSA-2018:2714
access.redhat.com/errata/RHSA-2018:2855
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=1516271
bugzilla.redhat.com/show_bug.cgi?id=1537047
bugzilla.redhat.com/show_bug.cgi?id=1539703
bugzilla.redhat.com/show_bug.cgi?id=1547578
bugzilla.redhat.com/show_bug.cgi?id=1556851
bugzilla.redhat.com/show_bug.cgi?id=1557938
bugzilla.redhat.com/show_bug.cgi?id=1558706
bugzilla.redhat.com/show_bug.cgi?id=1569955
bugzilla.redhat.com/show_bug.cgi?id=1570314
bugzilla.redhat.com/show_bug.cgi?id=1572836
bugzilla.redhat.com/show_bug.cgi?id=1573799
bugzilla.redhat.com/show_bug.cgi?id=1575985
bugzilla.redhat.com/show_bug.cgi?id=1579785
bugzilla.redhat.com/show_bug.cgi?id=1590514
bugzilla.redhat.com/show_bug.cgi?id=1591212
bugzilla.redhat.com/show_bug.cgi?id=1591296
launchpad.net/bugs/1739593
review.openstack.org/539893
security.openstack.org/ossa/OSSA-2018-001.html