CVE-2018-20699

Publication date 12 January 2019

Last updated 25 August 2025

Ubuntu priority

Negligible

Why this priority?

Cvss 3 Severity Score

4.9 · Medium

Score breakdown

Description

Docker Engine before 18.09 allows attackers to cause a denial of service (dockerd memory consumption) via a large integer in a --cpuset-mems or --cpuset-cpus value, related to daemon/daemon_unix.go, pkg/parsers/parsers.go, and pkg/sysinfo/sysinfo.go.

Status

Package Ubuntu Release Status
docker.io 19.04 disco
Fixed 18.09.2-0ubuntu1
18.10 cosmic
Fixed 18.09.2-0ubuntu1~18.10.1
18.04 LTS bionic
Fixed 18.09.2-0ubuntu1~18.04.1
16.04 LTS xenial
Fixed 18.09.2-0ubuntu1~16.04.1
14.04 LTS trusty Not in release

Patch details

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

Package Patch details
docker.io

Severity score breakdown

Parameter Value
Base score 4.9 · Medium
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References

Other references