CVE-2016-7170

MEDIUM

QEMU < 2.7.1 - Denial of Service via vmsvga_fifo_run DEFINE_CURSOR Command

Title source: llm
STIX 2.1

Description

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.

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/92904
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Patch, Third Party Advisory mailing-list x_refsource_mlist
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg01764.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/09/09/7
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/09/09/4

Scores

CVSS v3 4.4
EPSS 0.0008
EPSS Percentile 22.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-129
Status published
Products (3)
debian/debian_linux 8.0
opensuse/leap 42.2
qemu/qemu < 2.7.1
Published Dec 10, 2016
Tracked Since Feb 18, 2026