The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds write and Q...
Date: 2016-12
Affected: qemu/qemu, debian/debian_linux, opensuse/leap
Attack vector: dos
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2016-7170
CWE: CWE-129
CVSS: 4.4 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)

The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors related to cursor.mask[] and cursor.image[] array sizes when processing a DEFINE_CURSOR svga command.


Mitigations:

Architectural layers (MAESTRO):