Description
The snapshot merging functionality in Red Hat Enterprise Virtualization Manager (aka RHEV-M) before 2.2 does not properly pass the postzero parameter during operations on deleted volumes, which allows guest OS users to obtain sensitive information by examining the disk blocks associated with a deleted virtual machine.
References
- RHSA-2010:0478 vendor-advisory
- 41045 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=606774