CVE-2016-6888

MEDIUM

QEMU < 2.6.2 - Denial of Service via Unchecked Multiplication in net_tx_pkt_init

Title source: llm
STIX 2.1

Description

Integer overflow in the net_tx_pkt_init function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU process crash) via the maximum fragmentation count, which triggers an unchecked multiplication and NULL pointer dereference.

References (9)

Core 9
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/92556
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/08/19/6
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2392
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201609-01
Patch, Third Party Advisory mailing-list x_refsource_mlist
https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg03176.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/08/19/10
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2408

Scores

CVSS v3 4.4
EPSS 0.0010
EPSS Percentile 26.7%
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-190
Status published
Products (10)
debian/debian_linux 8.0
qemu/qemu 2.7.0 rc0 (4 CPE variants)
qemu/qemu < 2.6.2
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