CVE-2017-6505 Denial of service in n/a

Medium 6.5 Published 15 Mar 2017 Updated 5 Aug 2024

Local guest OS users can cause a denial of service via an infinite loop in QEMU's OHCI USB controller emulation.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2017-6505?

CVE-2017-6505 is a medium-severity denial of service vulnerability in Qemu Qemu, published on 15 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-835

Which versions are affected by CVE-2017-6505?

It affects 1 product.

Products include Qemu Qemu.

How do I fix CVE-2017-6505?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2017-6505 being exploited?

There is no known exploitation of CVE-2017-6505 in the wild and no public exploit code.

All Qemu Qemu vulnerabilities

Sources

Also known as ALPINE-CVE-2017-6505, DEBIAN-CVE-2017-6505, GHSA-pfx6-rwwf-8mgx, UBUNTU-CVE-2017-6505.