CVE-2016-4037

Name: CVE-2016-4037
Creator: NVD / NIST
Published: 2016-05-23T19:59:06.933+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2016-4037 is a medium-severity vulnerability rated 6/10 on the CVSS scale. The ehci_advance_state function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular split isochronous transfer descriptor (siTD) list, a related issue to CVE-2015-8558.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

The ehci_advance_state function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular split isochronous transfer descriptor (siTD) list, a related issue to CVE-2015-8558.

Metrics

CVSS 3.1

6/10

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

EPSS Probability

0.45%

35.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions	Update
Fedoraproject	Fedora	22	—
Fedoraproject	Fedora	23	—
Fedoraproject	Fedora	24	—
Canonical	Ubuntu Linux	12.04	—
Canonical	Ubuntu Linux	14.04	—
Canonical	Ubuntu Linux	15.10	—
Canonical	Ubuntu Linux	16.04	—
Qemu	Qemu	<= 2.5.1	—
Qemu	Qemu	2.6.0	Rc0
Debian	Debian Linux	8.0	—

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1ae3f2f178087711f9591350abad133525ba93f2
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/04/18/3Mailing List
http://www.openwall.com/lists/oss-security/2016/04/18/6Mailing List
http://www.securityfocus.com/bid/86283Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2974-1Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing List, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg02691.htmlMailing List, Patch, Vendor Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg02734.htmlMailing List, Vendor Advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1ae3f2f178087711f9591350abad133525ba93f2
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/04/18/3Mailing List
http://www.openwall.com/lists/oss-security/2016/04/18/6Mailing List
http://www.securityfocus.com/bid/86283Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2974-1Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing List, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg02691.htmlMailing List, Patch, Vendor Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg02734.htmlMailing List, Vendor Advisory

Timeline

Published: May 23, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-4037?

How severe is CVE-2016-4037?

CVE-2016-4037 has a CVSS score of 6/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4037?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-4037?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST