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CVE-2016-8667

Published: 4 November 2016

The rc4030_write function in hw/dma/rc4030.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 a large interval timer reload value.

Priority

Low

Cvss 3 Severity Score

6.0

Score breakdown

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian
artful
Released (1:2.8+dfsg-3ubuntu2.1)
bionic
Released (1:2.8+dfsg-3ubuntu2.1)
cosmic
Released (1:2.8+dfsg-3ubuntu2.1)
disco
Released (1:2.8+dfsg-3ubuntu2.1)
eoan
Released (1:2.8+dfsg-3ubuntu2.1)
focal
Released (1:2.8+dfsg-3ubuntu2.1)
hirsute
Released (1:2.8+dfsg-3ubuntu2.1)
precise Does not exist

trusty
Released (2.0.0+dfsg-2ubuntu1.33)
upstream Needs triage

xenial
Released (1:2.5+dfsg-5ubuntu10.11)
yakkety
Released (1:2.6.1+dfsg-0ubuntu5.4)
zesty
Released (1:2.8+dfsg-3ubuntu2.1)
groovy
Released (1:2.8+dfsg-3ubuntu2.1)
Patches:
upstream: http://git.qemu-project.org/?p=qemu.git;a=commit;h=c0a3172fa6bbddcc73192f2a2c48d0bf3a7ba61c
qemu-kvm
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

precise Ignored
(end of life)
trusty Does not exist

upstream Needs triage

xenial Does not exist

yakkety Does not exist

zesty Does not exist

Severity score breakdown

Parameter Value
Base score 6.0
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H