The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.
| Product | Vendor | Version |
|---|---|---|
| n/a | n/a | <= 5.15.* |