OpenStack: malicious qcow2/vmdk images

An input validation flaw was discovered in how multiple OpenStack services validate images with backing file references. An authenticated attacker could provide a malicious image via upload, or by creating and modifying an image from an existing volume. Validation of images can be triggered durin...

nova: Live migration can leak root disk into ephemeral storage

The icreateimagesandbacking aka createimagesandbacking method in libvirt driver in OpenStack Compute Nova Grizzly, Havana, and Icehouse, when using KVM live block migration, does not properly create all expected files, which allows attackers to obtain snapshot root disk contents of other users vi...