CVE-2016-9911: Medium severity qemu vulnerability

Published Dec 7, 2016
·
Updated

Quick Emulator (Qemu) built with the USB EHCI Emulation support is vulnerable to a memory leakage issue. It could occur while processing packet data in 'ehciinittransfer'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host.

Other sources

Quick Emulator(Qemu) built with the USB EHCI Emulation support is vulnerable to a memory leakage issue. It could occur while processing packet data in 'ehciinittransfer'.

A guest user/process could use this issue to leak host memory, resulting in DoS for a host.

Upstream patch: --------------- -> http://git.qemu.org/?p=qemu.git;a=commitdiff;h=791f97758e223de3290592d

Reference: ---------- -> http://www.openwall.com/lists/oss-security/2016/12/06/10

Red Hat

Affected Software

10 affected components
Qemu Qemu<=2.7.1
Debian Debian Linux=8.0
redhat Openstack=6.0
redhat Openstack=7.0
redhat Openstack=8
redhat Openstack=9
redhat Openstack=10
redhat Openstack=11
redhat Virtualization=4.0
redhat Enterprise Linux=7.0

Event History

Dec 7, 2016
Data Sourced
via Red Hat·07:26 AM
DescriptionSeverityAffected Software
Dec 23, 2016
CVE Published
via MITRE·10:00 PM
Data Sourced
via MITRE·10:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2016-9911?

CVE-2016-9911 has been classified with a severity level that indicates it can lead to memory leakage causing denial of service.

2

How do I fix CVE-2016-9911?

To fix CVE-2016-9911, update QEMU to a version beyond 2.7.1 that includes the security patches.

3

Who is affected by CVE-2016-9911?

CVE-2016-9911 affects users running QEMU versions up to 2.7.1 with USB EHCI Emulation support enabled.

4

What impact does CVE-2016-9911 have?

CVE-2016-9911 can cause a denial of service by allowing a guest user to leak host memory.

5

Is CVE-2016-9911 a remote vulnerability?

Yes, CVE-2016-9911 can be exploited by guest users within a virtual environment.

Contact

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