What is the severity of CVE-2016-6833?

CVE-2016-6833 has been classified as a critical vulnerability due to its potential to cause denial of service in QEMU instances.

How do I fix CVE-2016-6833?

To fix CVE-2016-6833, upgrade QEMU to version 2.6.3 or later to mitigate the vulnerability.

Which versions of QEMU are affected by CVE-2016-6833?

CVE-2016-6833 affects QEMU versions up to and including 2.6.2 and specific release candidates 2.7.0-rc0, 2.7.0-rc1, and 2.7.0-rc2.

Who is impacted by CVE-2016-6833?

Local guest OS administrators running vulnerable versions of QEMU may exploit CVE-2016-6833, leading to crashes.

What type of vulnerability is CVE-2016-6833?

CVE-2016-6833 is classified as a use-after-free vulnerability in the vmxnet3_io_bar0_write function of QEMU.

Vulnerability/
CVE-2016-6833

medium

4.4

CWE

416

10/12/2016

6/8/2024

CVE-2016-6833: Use After Free

First published: Sat Dec 10 2016(Updated: )

Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active.

Credit: secalert@redhat.com

Affected Software	Affected Version	How to fix
QEMU KVM	<=2.6.2
QEMU KVM	=2.7.0-rc0
QEMU KVM	=2.7.0-rc1
QEMU KVM	=2.7.0-rc2
Debian Debian Linux	=8.0

Remedy

https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01602.html

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2016-6833?
CVE-2016-6833 has been classified as a critical vulnerability due to its potential to cause denial of service in QEMU instances.
How do I fix CVE-2016-6833?
To fix CVE-2016-6833, upgrade QEMU to version 2.6.3 or later to mitigate the vulnerability.
Which versions of QEMU are affected by CVE-2016-6833?
CVE-2016-6833 affects QEMU versions up to and including 2.6.2 and specific release candidates 2.7.0-rc0, 2.7.0-rc1, and 2.7.0-rc2.
Who is impacted by CVE-2016-6833?
Local guest OS administrators running vulnerable versions of QEMU may exploit CVE-2016-6833, leading to crashes.
What type of vulnerability is CVE-2016-6833?
CVE-2016-6833 is classified as a use-after-free vulnerability in the vmxnet3_io_bar0_write function of QEMU.

agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/author
agent/references
agent/severity
agent/remedy
agent/weakness
agent/description
agent/event
agent/first-publish-date
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/qemu
canonical/qemu kvm
version/qemu kvm/2.6.2
version/qemu kvm/2.7.0-rc0
version/qemu kvm/2.7.0-rc1
version/qemu kvm/2.7.0-rc2
vendor/debian
canonical/debian debian linux
version/debian debian linux/8.0

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Frequently Asked Questions

What is the severity of CVE-2016-6833?
CVE-2016-6833 has been classified as a critical vulnerability due to its potential to cause denial of service in QEMU instances.
How do I fix CVE-2016-6833?
To fix CVE-2016-6833, upgrade QEMU to version 2.6.3 or later to mitigate the vulnerability.
Which versions of QEMU are affected by CVE-2016-6833?
CVE-2016-6833 affects QEMU versions up to and including 2.6.2 and specific release candidates 2.7.0-rc0, 2.7.0-rc1, and 2.7.0-rc2.
Who is impacted by CVE-2016-6833?
Local guest OS administrators running vulnerable versions of QEMU may exploit CVE-2016-6833, leading to crashes.
What type of vulnerability is CVE-2016-6833?
CVE-2016-6833 is classified as a use-after-free vulnerability in the vmxnet3_io_bar0_write function of QEMU.