Directory traversal vulnerability in the virStorageBackendFileSystemVolCreate function in storage/storagebackendfs.c in libvirt, when fine-grained Access Control Lists (ACL) are in effect, allows local users with storage_vol:create ACL but not domain:write permission to write to arbitrary files via a .. (dot dot) in a volume name.
{
"binaries": [
{
"binary_version": "1.2.2-0ubuntu13.1.16",
"binary_name": "libvirt-bin"
},
{
"binary_version": "1.2.2-0ubuntu13.1.16",
"binary_name": "libvirt-dev"
},
{
"binary_version": "1.2.2-0ubuntu13.1.16",
"binary_name": "libvirt0"
}
],
"availability": "No subscription required"
}