CVE-2016-6833

medium

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.

References

Advisories
More

https://security.gentoo.org/glsa/201609-01

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

https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

http://www.securityfocus.com/bid/93255

http://www.openwall.com/lists/oss-security/2016/08/18/3

http://www.openwall.com/lists/oss-security/2016/08/12/1

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8

Details

Source: Mitre, NVD

Published: 2016-12-10

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 4.4

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00111