CVE-2016-2198 Null dereference in n/a

What is CVE-2016-2198?

CVE-2016-2198 is a medium-severity vulnerability in Debian Debian Linux, published on 29 Dec 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw. It could occur when an application attempts to write to EHCI capabilities registers. A privileged user inside quest could use this flaw to crash the QEMU process instance resulting in DoS.

Weakness: CWE-476

Which versions are affected by CVE-2016-2198?

It affects 2 products.

Products include Debian Debian Linux, Qemu Qemu.

How do I fix CVE-2016-2198?

Apply the vendor's patch.

Is CVE-2016-2198 being exploited?

There is no known exploitation of CVE-2016-2198 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

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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-2016-2198, GHSA-4fg5-fcph-rgxc, UBUNTU-CVE-2016-2198.