The clear_volume function in LVMVolumeDriver driver in OpenStack Cinder 2013.1.1 through 2013.1.2 does not properly clear data when deleting a snapshot, which allows local users to obtain sensitive information via unspecified vectors.
"https://github.com/pypa/advisory-database/blob/main/vulns/cinder/PYSEC-2013-35.yaml"