CVE-2016-8669

Name: CVE-2016-8669
Creator: NVD / NIST
Published: 2016-11-04T21:59:06.35+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6/10EPSS 0.36%

Last modified Jun 17, 2026

CVE-2016-8669 is a medium-severity vulnerability rated 6/10 on the CVSS scale. The serial_update_parameters function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving a value of divider greater than baud base.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

The serial_update_parameters function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving a value of divider greater than baud base.

Metrics

CVSS 3.1

6/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

EPSS Probability

0.36%

28.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-369

Affected Software

Vendor	Product	Versions
Qemu	Qemu	<= 2.7.1
Opensuse	Leap	42.2
Redhat	Openstack	6.0
Redhat	Openstack	7.0
Redhat	Openstack	8
Redhat	Openstack	9
Redhat	Openstack	10
Redhat	Openstack	11
Redhat	Virtualization	4.0
Debian	Debian Linux	8.0

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3592fe0c919cf27a81d8e9f9b4f269553418bb01
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/14/9Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/15/5Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/93563Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201611-11Third Party Advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3592fe0c919cf27a81d8e9f9b4f269553418bb01
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/14/9Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/15/5Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/93563Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201611-11Third Party Advisory

Timeline

Published: Nov 4, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-8669?

How severe is CVE-2016-8669?

CVE-2016-8669 has a CVSS score of 6/10 (MEDIUM severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2016-8669?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-8669?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST