CVE-2019-16884

Name: CVE-2019-16884
Creator: NVD / NIST
Published: 2019-09-25T18:15:13.057+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 4.37%

Last modified Jun 17, 2026

CVE-2019-16884 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. runc through 1.0.0-rc8, as used in Docker through 19.03.2-ce and other products, allows AppArmor restriction bypass because libcontainer/rootfs_linux.go incorrectly checks mount targets, and thus a malicious Docker image can mount over a /proc directory.. EPSS estimates a 4.37% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

4.37%

90.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions	Update
Linuxfoundation	Runc	>= 0.0.1, <= 0.1.1	—
Linuxfoundation	Runc	1.0.0	Rc1
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	—

References

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00073.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00009.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00010.htmlMailing List, Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3940Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4074Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4269Third Party Advisory
https://github.com/opencontainers/runc/issues/2128Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/02/msg00016.html
https://lists.debian.org/debian-lts-announce/2023/03/msg00023.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62OQ2P7K5YDZ5BRCH2Q6DHUJIHQD3QCD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DGK6IV5JGVDXHOXEKJOJWKOVNZLT6MYR/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPK4JWP32BUIVDJ3YODZSOEVEW6BHQCF/
https://security.gentoo.org/glsa/202003-21Third Party Advisory
https://security.netapp.com/advisory/ntap-20220221-0004/Third Party Advisory
https://usn.ubuntu.com/4297-1/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00073.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00009.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00010.htmlMailing List, Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3940Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4074Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4269Third Party Advisory
https://github.com/opencontainers/runc/issues/2128Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/02/msg00016.html
https://lists.debian.org/debian-lts-announce/2023/03/msg00023.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62OQ2P7K5YDZ5BRCH2Q6DHUJIHQD3QCD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DGK6IV5JGVDXHOXEKJOJWKOVNZLT6MYR/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPK4JWP32BUIVDJ3YODZSOEVEW6BHQCF/
https://security.gentoo.org/glsa/202003-21Third Party Advisory
https://security.netapp.com/advisory/ntap-20220221-0004/Third Party Advisory
https://usn.ubuntu.com/4297-1/Third Party Advisory

Timeline

Published: Sep 25, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16884?

How severe is CVE-2019-16884?

CVE-2019-16884 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.37% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16884?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-16884?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST