CVE-2014-3672

Publication date 25 May 2016

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

The qemu implementation in libvirt before 1.3.0 and Xen allows local guest OS users to cause a denial of service (host disk consumption) by writing to stdout or stderr.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libvirt	17.10 artful	Not affected
	17.04 zesty	Not affected
	16.10 yakkety	Not affected
	16.04 LTS xenial	Not affected
	15.10 wily	Ignored
	14.04 LTS trusty	Ignored
	12.04 LTS precise	Ignored
qemu	17.10 artful	Ignored
	17.04 zesty	Ignored
	16.10 yakkety	Ignored
	16.04 LTS xenial	Ignored
	15.10 wily	Ignored
	14.04 LTS trusty	Ignored
	12.04 LTS precise	Not in release
qemu-kvm	17.10 artful	Not in release
	17.04 zesty	Not in release
	16.10 yakkety	Not in release
	16.04 LTS xenial	Not in release
	15.10 wily	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Ignored
xen	17.10 artful	Not affected
	17.04 zesty	Not affected
	16.10 yakkety	Not affected
	16.04 LTS xenial	Not affected
	15.10 wily	Not affected
	14.04 LTS trusty	Fixed 4.4.2-0ubuntu0.14.04.6
	12.04 LTS precise	Fixed 4.1.6.1-0ubuntu0.12.04.11

Notes

mdeslaur

as of 2017-08-01, no equivalent fix in qemu tree. Unlikely to be fixed in qemu. As such, marking as ignored in qemu. the libvirt fix changes behaviour, we are not going to backport the new log location to trusty.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libvirt	Upstream: https://libvirt.org/git/?p=libvirt.git;a=commit;h=0d968ad715475a1660779bcdd2c5b38ad63db4cf

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Changed
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H