Denial of Service Vulnerability in Linux Kernel's vmw_gb_surface_define_ioctl Function

Denial of Service Vulnerability in Linux Kernel's vmw_gb_surface_define_ioctl Function

CVE-2017-7346 · MEDIUM Severity

AV:L/AC:L/AU:N/C:N/I:N/A:C

The vmw_gb_surface_define_ioctl function in drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux kernel through 4.10.7 does not validate certain levels data, which allows local users to cause a denial of service (system hang) via a crafted ioctl call for a /dev/dri/renderD* device.

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