CVE-2016-6833

NVD - CVE-2016-6833

CVE-2016-6833 Detail

Current Description

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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  4.4 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.qemu.org/?p=qemu.git;a=commit;h=6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8 Issue Tracking  Patch 
http://www.openwall.com/lists/oss-security/2016/08/12/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2016/08/18/3 Mailing List  Third Party Advisory 
http://www.securityfocus.com/bid/93255 Third Party Advisory  VDB Entry 
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01602.html Patch  Vendor Advisory 
https://security.gentoo.org/glsa/201609-01

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-6833
NVD Published Date:
12/09/2016
NVD Last Modified:
09/07/2018
Source:
MITRE