CVE-2016-8669
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)
02 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)
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.36% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 29.7% of scored records. A rank, not a probability.
- NVD base score
- 6.0 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-11-04 21:00Z9 YR AGO
- Last updated
- 2024-08-06 02:27Z2 YR AGO
- Reserved
- 2016-10-15
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-369Divide By ZeroBase
- Data version
- 5.1
- Document digest
- 850063153b105b0ea59d6ce93359407ea664dfc2381d8dc714cba9ca8f485fc3
05 Affected products
06 References
- lists.debian.org[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- security.gentoo.orgGLSA-201611-11https://security.gentoo.org/glsa/201611-11
- git.qemu.orghttp://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3592fe0c919cf27a81d8e9f9b4f269553418bb01
- www.openwall.com[oss-security] 20161014 CVE request Qemu: char: divide by zero error in serial_update_parametershttp://www.openwall.com/lists/oss-security/2016/10/14/9
- access.redhat.comRHSA-2017:2392https://access.redhat.com/errata/RHSA-2017:2392
- lists.opensuse.orgopenSUSE-SU-2016:3237http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- www.securityfocus.com93563http://www.securityfocus.com/bid/93563
- www.openwall.com[oss-security] 20161015 Re: CVE request Qemu: char: divide by zero error in serial_update_parametershttp://www.openwall.com/lists/oss-security/2016/10/15/5
- access.redhat.comRHSA-2017:2408https://access.redhat.com/errata/RHSA-2017:2408
07 Fixed in
Debian 12
- qemu Fixed in 1:2.8+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- qemu Fixed in 1:2.8+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- qemu Fixed in 1:2.8+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- qemu Fixed in 2.0.0+dfsg-2ubuntu1.33
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- qemu Fixed in 1:2.5+dfsg-5ubuntu10.11
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.