National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

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.

Source:  MITRE
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

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 NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


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