CVE-2016-6888

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Summary

CVECVE-2016-6888
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-12-10 00:59:09 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionInteger 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.

Risk And Classification

Primary CVSS: v3.1 4.4 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.000980000 probability, percentile 0.267000000 (date 2026-05-10)

Problem Types: CWE-190 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary2.1AV:L/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:L/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 8.0 All All All
Application Qemu Qemu 2.7.0 rc0 All All
Application Qemu Qemu 2.7.0 rc1 All All
Application Qemu Qemu 2.7.0 rc2 All All
Application Qemu Qemu 2.7.0 rc3 All All
Application Qemu Qemu All All All All
Operating System Redhat Enterprise Linux 7.0 All All All
Application Redhat Openstack 10 All All All
Application Redhat Openstack 11 All All All
Application Redhat Openstack 6.0 All All All
Application Redhat Openstack 7.0 All All All
Application Redhat Openstack 8 All All All
Application Redhat Openstack 9 All All All
Application Redhat Virtualization 4.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
[SECURITY] [DLA 1599-1] qemu security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
oss-security - Re: CVE Request: Qemu: net: vmxnet: integer overflow in packet initialisation af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
[Qemu-devel] [PULL 1/2] net: vmxnet: use g_new for pkt initialisation af854a3a-2127-422b-91ae-364da2661108 lists.gnu.org Patch, Third Party Advisory
oss-security - CVE Request: Qemu: net: vmxnet: integer overflow in packet initialisation af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
QEMU: Multiple vulnerabilities (GLSA 201609-01) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
QEMU '/hw/net/net_tx_pkt.c' Integer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
git.qemu.org Git - qemu.git/commit af854a3a-2127-422b-91ae-364da2661108 git.qemu.org
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
git.qemu.org Git - qemu.git/commit MITRE git.qemu.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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