CVE-2016-2198: Null Pointer Dereference
Last updated 24 July 2024
Other sources
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.
— Launchpad
Qemu 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.
Upstream patch: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05899.html
Reference: ---------- -> http://www.openwall.com/lists/oss-security/2016/01/30/2
— Red Hat
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2016-2198?
CVE-2016-2198 is a vulnerability in QEMU (aka Quick Emulator) that allows a privileged user inside a guest to crash the QEMU process instance.
How does CVE-2016-2198 affect QEMU?
CVE-2016-2198 affects QEMU when it is built with USB EHCI emulation support.
What is the severity of CVE-2016-2198?
CVE-2016-2198 has a low severity.
What is the remediation for CVE-2016-2198?
To remediate CVE-2016-2198, you need to update QEMU to version 2.0.0+dfsg-2ubuntu1.22 or later.
Where can I find more information about CVE-2016-2198?
You can find more information about CVE-2016-2198 at the following references: [1](https://security.gentoo.org/glsa/201604-01), [2](https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html), [3](http://www.openwall.com/lists/oss-security/2016/01/29/6).