CVE-2017-7346 Information

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/renderD128 device.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5