Medium severity · published Nov 4, 2016
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…
6.0
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
LE
Leap · Opensuse
42.2 · source: NVD
OP
Openstack · Redhat
6.0; 7.0; 8; 9; 10; 11 · source: NVD
QE
Qemu · Qemu
through 2.7.1 · source: NVD
VI
Virtualization · Redhat
4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-8669
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-8669
git.qemu.org
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3592fe0c919cf27a81d8e9f9b4f269553418bb01
Mailing List
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Mailing List
http://www.openwall.com/lists/oss-security/2016/10/14/9
Mailing List
http://www.openwall.com/lists/oss-security/2016/10/15/5
Third Party Advisory
http://www.securityfocus.com/bid/93563
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2392
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