An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users (in certain configurations) to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot.
| Software | From | Fixed in |
|---|---|---|
| xen / xen | - | 4.10.1.x |
| debian / debian_linux | 9.0 | 9.0.x |