CVE-2017-7346

MEDIUM5.5

The vmw_gb_surface_define_ioctl function in drivers/gpu/drm/vmwgfx/vmwgfx_surface

Published Mar 30, 2017

Modified 1 years ago

Details

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

WEBhttp://marc.info/?l=linux-kernel&m=149086968410117&w=2 ADVISORYhttp://www.debian.org/security/2017/dsa-3927 ADVISORYhttp://www.debian.org/security/2017/dsa-3945 WEBhttp://www.securityfocus.com/bid/97257 WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=1437431 WEBhttps://lists.freedesktop.org/archives/dri-devel/2017-March/137429.html ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2017-7346

CVSS Analysis

CVSS v3.0

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Ecosystems

Timeline

PublishedMar 30, 2017

ModifiedAug 5, 2024