CVE-2019-16884: High severity linuxfoundation Runc vulnerability

Published Sep 22, 2019
ยท
Updated

Last updated 25 August 2025

Other sources

runc through 1.0.0-rc8, as used in Docker through 19.03.2-ce and other products, allows AppArmor restriction bypass because libcontainer/rootfslinux.go incorrectly checks mount targets, and thus a malicious Docker image can mount over a /proc directory.

Affected Software

63 affected componentsFixes available
redhat/runc<0:1.0.0-67.rc10.el7_8
0:1.0.0-67.rc10.el7_8
redhat/docker<2:1.13.1-161.git64e9980.el7_8
2:1.13.1-161.git64e9980.el7_8
redhat/runc<0:1.0.0-62.rc8.rhaos4.1.git3cbe540.el8
0:1.0.0-62.rc8.rhaos4.1.git3cbe540.el8
redhat/runc<0:1.0.0-63.rc8.el8
0:1.0.0-63.rc8.el8
go/github.com/opencontainers/selinux<1.3.1-0.20190929122143-5215b1806f52
1.3.1-0.20190929122143-5215b1806f52
go/github.com/opencontainers/runc<1.0.0-rc8.0.20190930145003-cad42f6e0932
1.0.0-rc8.0.20190930145003-cad42f6e0932
linuxfoundation Runc>=0.0.1<=0.1.1
linuxfoundation Runc=1.0.0-rc1
linuxfoundation Runc=1.0.0-rc2
linuxfoundation Runc=1.0.0-rc3
linuxfoundation Runc=1.0.0-rc4
linuxfoundation Runc=1.0.0-rc5
linuxfoundation Runc=1.0.0-rc6
linuxfoundation Runc=1.0.0-rc7
linuxfoundation Runc=1.0.0-rc8
Docker Docker<=19.03.2
Fedoraproject Fedora=29
Fedoraproject Fedora=30
Fedoraproject Fedora=31
openSUSE Leap=15.0
openSUSE Leap=15.1
redhat OpenShift Container Platform=4.1
redhat OpenShift Container Platform=4.2
redhat Enterprise Linux=8.0
redhat Enterprise Linux Eus=8.1
redhat Enterprise Linux Eus=8.2
redhat Enterprise Linux Eus=8.4
redhat Enterprise Linux Server Aus=8.2
redhat Enterprise Linux Server Aus=8.4
redhat Enterprise Linux Server Tus=8.2
redhat Enterprise Linux Server Tus=8.4
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.10
debian/golang-github-opencontainers-selinux
1.8.0-11.10.0+ds1-11.11.1-1
debian/runc
1.0.0~rc93+ds1-5+deb11u51.0.0~rc93+ds1-5+deb11u31.1.5+ds1-1+deb12u11.1.15+ds1-21.3.3+ds1-2
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/containerd<1.3.0-r0
1.3.0-r0
alpine/runc>=0.0.1<1.0.0_rc9
1.0.0_rc9
alpine/runc>=0.0.1<1.0.0_rc9-r0
1.0.0_rc9-r0
alpine/runc>=0.0.1<1.0.0_rc9-r0
1.0.0_rc9-r0
alpine/runc>=0.0.1<1.0.0_rc9-r0
1.0.0_rc9-r0
alpine/runc>=0.0.1<1.0.0_rc9-r0
1.0.0_rc9-r0
alpine/runc>=0.0.1<1.0.0_rc9-r0
1.0.0_rc9-r0
alpine/runc>=0.0.1<1.0.0_rc9-r0
1.0.0_rc9-r0
alpine/runc>=0.0.1<1.0.0_rc9-r0
1.0.0_rc9-r0
alpine/runc>=0.0.1<1.0.0_rc9-r0
1.0.0_rc9-r0
alpine/runc>=0.0.1<1.0.0_rc9-r0
1.0.0_rc9-r0
alpine/runc>=0.0.1<1.0.0_rc9-r0
1.0.0_rc9-r0
alpine/runc>=0.0.1<1.0.0_rc9-r0
1.0.0_rc9-r0
alpine/runc>=0.0.1<1.0.0_rc9-r0
1.0.0_rc9-r0
alpine/runc>=0.0.1<1.0.0_rc9-r0
1.0.0_rc9-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/runc to a version that resolves this vulnerability.

    Fixed in 0:1.0.0-67.rc10.el7_8
  2. Upgrade

    Upgrade redhat/docker to a version that resolves this vulnerability.

    Fixed in 2:1.13.1-161.git64e9980.el7_8
  3. Upgrade

    Upgrade redhat/runc to a version that resolves this vulnerability.

    Fixed in 0:1.0.0-62.rc8.rhaos4.1.git3cbe540.el8
  4. Upgrade

    Upgrade redhat/runc to a version that resolves this vulnerability.

    Fixed in 0:1.0.0-63.rc8.el8
  5. Upgrade

    Upgrade go/github.com/opencontainers/selinux to a version that resolves this vulnerability.

    Fixed in 1.3.1-0.20190929122143-5215b1806f52
  6. Upgrade

    Upgrade go/github.com/opencontainers/runc to a version that resolves this vulnerability.

    Fixed in 1.0.0-rc8.0.20190930145003-cad42f6e0932
  7. Upgrade

    Upgrade debian/golang-github-opencontainers-selinux to a version that resolves this vulnerability.

    Fixed in 1.8.0-1Fixed in 1.10.0+ds1-1Fixed in 1.11.1-1
  8. Upgrade

    Upgrade debian/runc to a version that resolves this vulnerability.

    Fixed in 1.0.0~rc93+ds1-5+deb11u5Fixed in 1.0.0~rc93+ds1-5+deb11u3Fixed in 1.1.5+ds1-1+deb12u1Fixed in 1.1.15+ds1-2Fixed in 1.3.3+ds1-2
  9. Upgrade

    Upgrade alpine/containerd to a version that resolves this vulnerability.

    Fixed in 1.3.0-r0
  10. Upgrade

    Upgrade alpine/runc to a version that resolves this vulnerability.

    Fixed in 1.0.0_rc9
  11. Upgrade

    Upgrade alpine/runc to a version that resolves this vulnerability.

    Fixed in 1.0.0_rc9-r0

Event History

Sep 22, 2019
CVE Published
12:00 AM
Sep 25, 2019
CVE Published
via MITREยท12:00 AM
Data Sourced
via MITREยท12:00 AM
Description
Data Sourced
via OSVยท06:15 PM
DescriptionSeverityAffected Software
Sep 30, 2019
Data Sourced
via Red Hatยท08:36 PM
DescriptionSeverityAffected Software
Feb 22, 2022
Advisory Published
via GitHubยท03:38 PM

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the vulnerability ID for this vulnerability?

The vulnerability ID for this vulnerability is CVE-2019-16884.

2

What is the severity rating of CVE-2019-16884?

The severity rating of CVE-2019-16884 is medium, with a severity value of 6.5.

3

What is the affected software for CVE-2019-16884?

The affected software for CVE-2019-16884 includes runc versions 1.0.0-rc8 and earlier, used in Docker versions through 19.03.2-ce.

4

How does CVE-2019-16884 allow AppArmor restriction bypass?

CVE-2019-16884 allows AppArmor restriction bypass because libcontainer/rootfs_linux.go incorrectly checks mount targets, allowing a malicious Docker image to mount over a /proc directory.

5

Are there any references available for CVE-2019-16884?

Yes, there are references available for CVE-2019-16884: [Reference 1](https://github.com/opencontainers/runc/issues/2128), [Reference 2](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DGK6IV5JGVDXHOXEKJOJWKOVNZLT6MYR/), [Reference 3](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/62OQ2P7K5YDZ5BRCH2Q6DHUJIHQD3QCD/)

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