CVE-2016-7908 Denial of service in n/a

What is CVE-2016-7908?

CVE-2016-7908 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 5 Oct 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The mcf_fec_do_tx function in hw/net/mcf_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags.

Weakness: CWE-835

Which versions are affected by CVE-2016-7908?

It affects 2 products.

Products include Debian Debian Linux, Qemu Qemu.

How do I fix CVE-2016-7908?

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-2016-7908 being exploited?

There is no known exploitation of CVE-2016-7908 in the wild and no public exploit code.

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• 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 DEBIAN-CVE-2016-7908, GHSA-2f8w-w2fc-fv9w, UBUNTU-CVE-2016-7908.