NULL Pointer Dereference Affecting qemu package, versions <1:2.6+dfsg-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.42% (34th percentile)

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  • Snyk IDSNYK-ECHOLATEST-QEMU-18321688
  • published27 Jul 2026
  • disclosed29 Dec 2016

Introduced: 29 Dec 2016

CVE-2016-2198  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Echo:latest qemu to version 1:2.6+dfsg-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1