Description

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.

References

http://marc.info/?l=linux-kernel&m=149086968410117&w=2

http://www.debian.org/security/2017/dsa-3927

http://www.debian.org/security/2017/dsa-3945

http://www.securityfocus.com/bid/97257

https://bugzilla.redhat.com/show_bug.cgi?id=1437431

https://lists.freedesktop.org/archives/dri-devel/2017-March/137429.html

Details

Risk Information

CVSS v2

CVSS v3