The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory.
| Software | From | Fixed in |
|---|---|---|
| qemu / qemu | - | 3.1 |
| canonical / ubuntu_linux | 18.04 | 18.04.x |
| canonical / ubuntu_linux | 18.10 | 18.10.x |
| opensuse / leap | 42.3 | 42.3.x |