CVE-2015-7549: Qemu

Medium severity, CVSS 6.0. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Qemu Qemu: before 2.5.0 (fixed in 2.5.0)

Published 2017-10-30. Last modified 2026-06-17.