CVE-2016-7466 Denial of service in n/a

What is CVE-2016-7466?

CVE-2016-7466 is a medium-severity denial of service vulnerability in Opensuse Leap, published on 10 Dec 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Memory leak in the usb_xhci_exit function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator), when the xhci uses msix, allows local guest OS administrators to cause a denial of service (memory consumption and possibly QEMU process crash) by repeatedly unplugging a USB device.

Weakness: CWE-772

Which versions are affected by CVE-2016-7466?

It affects 4 products.

Products include Opensuse Leap, Qemu Qemu, Redhat Openstack, Redhat Virtualization.

How do I fix CVE-2016-7466?

Apply the vendor's patch.

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-2016-7466 being exploited?

There is no known exploitation of CVE-2016-7466 in the wild and no public exploit code.

Other vulnerabilities in Opensuse Leap

• CVE-2015-4902 Oracle Java SE Integrity Check Exploited Medium 5.3
• CVE-2017-14804 package builds could use directory traversal to write outside of target area Critical 9.9
• CVE-2019-20787 Teeworlds before 0.7.4 has an integer overflow when computing a tilemap size. Critical 9.8
• CVE-2019-8341 Code injection in n/a Critical 9.8
• CVE-2019-6438 Other in n/a Critical 9.8

All Opensuse Leap vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-7466, GHSA-6xqp-cpj7-9325, UBUNTU-CVE-2016-7466.