CVE-2016-8576 Denial of service in n/a

What is CVE-2016-8576?

CVE-2016-8576 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 4 Nov 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The xhci_ring_fetch function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit the number of link Transfer Request Blocks (TRB) to process.

Weakness: CWE-770

Which versions are affected by CVE-2016-8576?

It affects 5 products.

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

How do I fix CVE-2016-8576?

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-2016-8576 being exploited?

There is no known exploitation of CVE-2016-8576 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as ALPINE-CVE-2016-8576, DEBIAN-CVE-2016-8576, GHSA-vcwq-9qrw-7mh3, UBUNTU-CVE-2016-8576.