What’s Vulnerable › Vulnerabilities
CVE-2019-16884
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 4.4% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2019-09-25 · updated 2026-06-17
- Weakness: CWE-863
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.
Affected products
- Canonical Ubuntu Linux: 18.04, 19.10
- Docker Engine: through 19.03.2
- Fedoraproject Fedora: 29, 30, 31
- opencontainers runc: from 0.0.1 through 0.1.1; 1.0.0-rc1, 1.0.0-rc2, 1.0.0-rc3, 1.0.0-rc4, 1.0.0-rc5, 1.0.0-rc6 (+2)
- openSUSE Leap: 15.0, 15.1
- Red Hat Enterprise Linux: 8.0
- RedHat Enterprise Linux Eus: 8.1, 8.2, 8.4
- RedHat Enterprise Linux Server Aus: 8.2, 8.4
- RedHat Enterprise Linux Server Tus: 8.2, 8.4
- Red Hat OpenShift Container Platform 4.18: 4.1, 4.2
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00073.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00010.html
- https://access.redhat.com/errata/RHSA-2019:3940
- https://access.redhat.com/errata/RHSA-2019:4074
- https://access.redhat.com/errata/RHSA-2019:4269
- https://github.com/opencontainers/runc/issues/2128
- 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/
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