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Vulnerability record · CVE-2016-5403 · published 2 August 2016

CVE-2016-5403: Canonical ubuntu linux uncontrolled resource consumption vulnerability

Canonical · Ubuntu Linux

The virtqueue_pop function in hw/virtio/virtio.c in QEMU allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion.

5.5 CVSS 3.1 Medium EPSS 0.52% · top 58.2% CWE-400 · Uncontrolled resource consumption
5.5CVSS 3.1 base score, v2 4.9
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
42References
17 Jun 2026Last modified by NVD

Description

The virtqueue_pop function in hw/virtio/virtio.c in QEMU allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion.

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

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://rhn.redhat.com/errata/RHSA-2016-1585.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1586.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1606.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1607.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1652.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1653.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1654.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1655.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1756.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1763.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1943.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Third Party Advisory
http://www.securityfocus.com/bid/92148 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036476 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-3047-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3047-2 Third Party Advisory
http://xenbits.xen.org/xsa/advisory-184.html PatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1358359 Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1585.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1586.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1606.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1607.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1652.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1653.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1654.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1655.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1756.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1763.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1943.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Third Party Advisory
http://www.securityfocus.com/bid/92148 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036476 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-3047-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3047-2 Third Party Advisory
http://xenbits.xen.org/xsa/advisory-184.html PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2016-5403), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.