CVE-2015-3629

Publication date 18 May 2015

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Libcontainer 1.6.0, as used in Docker Engine, allows local users to escape containerization ("mount namespace breakout") and write to arbitrary file on the host system via a symlink attack in an image when respawning a container.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
docker.io	17.04 zesty	Not affected
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed 1.6.2~dfsg1-1ubuntu4
	15.10 wily	Ignored end of life
	15.04 vivid	Ignored end of life
	14.10 utopic	Ignored end of life
	14.04 LTS trusty	Fixed 1.6.2~dfsg1-1ubuntu4~14.04.1
	12.04 LTS precise	Not in release

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.8 · High

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	7.8 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2015-3629

Cvss 3 Severity Score

Description

Status

Severity score breakdown

References

Other references

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