QEMU hw/char/serial.c serial_update_parameters divide by zero

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as critical has been found in QEMU (Virtualization Software) (affected version not known). Affected is the function serial_update_parameters of the file hw/char/serial.c. The manipulation with an unknown input leads to a divide by zero vulnerability. CWE is classifying the issue as CWE-369. The product divides a value by zero. This is going to have an impact on availability.

The weakness was disclosed 11/04/2016 with Huawei (Website). The advisory is shared for download at git.qemu.org. This vulnerability is traded as CVE-2016-8669 since 10/15/2016. The attack needs to be approached locally. A authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 900047 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169412 (SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2016:2988-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (900047). The entries 92454, 92455, 92462 and 93307 are pretty similar.





  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.0
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.0
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Divide by zero
CWE: CWE-369 / CWE-404
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 900047
Nessus File: 🔍

OpenVAS ID: 65785
OpenVAS Name: SuSE Update for qemu openSUSE-SU-2016:3103-1 (qemu)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 3592fe0c919cf27a81d8e9f9b4f269553418bb01


10/14/2016 🔍
10/15/2016 +1 days 🔍
11/04/2016 +20 days 🔍
11/04/2016 +0 days 🔍
11/07/2016 +3 days 🔍
09/29/2022 +2152 days 🔍


Product: qemu.org

Advisory: RHSA-2017:2392
Organization: Huawei
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-8669 (🔍)
SecurityFocus: 93563 - QEMU '/hw/char/serial.c' Divide By Zero Denial of Service Vulnerability

See also: 🔍


Created: 11/07/2016 10:10 PM
Updated: 09/29/2022 02:40 PM
Changes: 11/07/2016 10:10 PM (57), 05/26/2019 04:17 PM (13), 09/29/2022 02:40 PM (4)
Complete: 🔍


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