Description
The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value.
References (9)
Core 9
Core References
Patch x_refsource_confirm
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0
Patch, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2392
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201609-01
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/92996
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/09/16/10
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/09/16/4
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2408
Scores
CVSS v3
6.0
EPSS
0.0009
EPSS Percentile
25.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Details
CWE
CWE-120
Status
published
Products (9)
opensuse/leap
42.2
qemu/qemu
< 2.7.1
redhat/openstack
6.0
redhat/openstack
7.0
redhat/openstack
8
redhat/openstack
9
redhat/openstack
10
redhat/openstack
11
redhat/virtualization
4.0
Published
Dec 10, 2016
Tracked Since
Feb 18, 2026