Home/CVE/Libcontainer 1.6.0, as used in Docker Engine, allows local users to escape containerization ("mount namespace breakout")
CVE

CVE-2015-3629

Libcontainer 1.6.0, as used in Docker Engine, allows local users to escape containerization ("mount namespace breakout")

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.

HIGH · CVSS 7.8 EPSS 0.00178
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-59Improper Link Resolution Before File Access ('Link Following')
▤

Affected Products & Versions

2
docker libcontainerall versions
opensuseall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/docker/docker HIGH fixed in 1.6.1
⚠

Public Exploits & PoCs

1
pocpacketstormsecurity.com · Docker-Privilege-Escalation-Information-Disclosure.htmlpacketstormsecurity.com
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Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 May 2015 · 03:59 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

6
suse-csafSUSE-SU-2025:03545-1
suse-csafSUSE-SU-2025:03540-1
suse-csafopenSUSE-SU-2025:15589-1
suse-csafopenSUSE-SU-2024:10532-1
suse-csafSUSE-SU-2015:0984-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-updates/2015-05/msg00023.htmlMailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2015/May/28Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/74558Broken LinkThird Party AdvisoryVDB Entry
https://groups.google.com/forum/#%21searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJPermissions Required
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