CVE-2017-5973

Name: CVE-2017-5973
Creator: NVD / NIST
Published: 2017-03-27T15:59:00.623+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2017-5973 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. The xhci_kick_epctx function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors related to control transfer descriptor sequence.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

The xhci_kick_epctx function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors related to control transfer descriptor sequence.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.46%

36.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-835

Affected Software

Vendor	Product	Versions
Qemu	Qemu	<= 2.8.1.1
Debian	Debian Linux	8.0
Redhat	Openstack	6.0
Redhat	Openstack	7.0
Redhat	Openstack	8
Redhat	Openstack	9
Redhat	Openstack	10
Redhat	Openstack	11
Redhat	Virtualization	4.0

References

http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=f89b60f6e5fee3923bedf80e82b4e5efc1bb156b
http://www.openwall.com/lists/oss-security/2017/02/13/11Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/96220Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1421626Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg01101.htmlPatch, Third Party Advisory
https://security.gentoo.org/glsa/201704-01Third Party Advisory
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=f89b60f6e5fee3923bedf80e82b4e5efc1bb156b
http://www.openwall.com/lists/oss-security/2017/02/13/11Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/96220Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1421626Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg01101.htmlPatch, Third Party Advisory
https://security.gentoo.org/glsa/201704-01Third Party Advisory

Timeline

Published: Mar 27, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-5973?

How severe is CVE-2017-5973?

CVE-2017-5973 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5973?

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-2017-5973?

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

Scan your code now

Source: NVD / NIST