CVE-2017-6505

Name: CVE-2017-6505
Creator: NVD / NIST
Published: 2017-03-15T14:59:01.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2017-6505 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The ohci_service_ed_list function in hw/usb/hcd-ohci.c in QEMU (aka Quick Emulator) before 2.9.0 allows local guest OS users to cause a denial of service (infinite loop) via vectors involving the number of link endpoint list descriptors, a different vulnerability than CVE-2017-9330.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

The ohci_service_ed_list function in hw/usb/hcd-ohci.c in QEMU (aka Quick Emulator) before 2.9.0 allows local guest OS users to cause a denial of service (infinite loop) via vectors involving the number of link endpoint list descriptors, a different vulnerability than CVE-2017-9330.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.38%

30.1th 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

References

http://git.qemu-project.org/?p=qemu.git%3Ba=commitdiff%3Bh=95ed56939eb2eaa4e2f349fe6dcd13ca4edfd8fb
http://www.openwall.com/lists/oss-security/2017/03/06/6Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/96611Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1429432Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
https://security.gentoo.org/glsa/201704-01Third Party Advisory
http://git.qemu-project.org/?p=qemu.git%3Ba=commitdiff%3Bh=95ed56939eb2eaa4e2f349fe6dcd13ca4edfd8fb
http://www.openwall.com/lists/oss-security/2017/03/06/6Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/96611Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1429432Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
https://security.gentoo.org/glsa/201704-01Third Party Advisory

Timeline

Published: Mar 15, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-6505?

How severe is CVE-2017-6505?

CVE-2017-6505 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2017-6505?

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-2017-6505?

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

Scan your code now

Source: NVD / NIST