{"id":"CVE-2019-19921","aliases":["GHSA-fh74-hm69-rqjw","GO-2021-0087"],"url":"https://o3.security/vulnerability/CVE-2019-19921","summary":"opencontainers runc contains procfs race condition with a shared volume mount","details":"runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. (This vulnerability does not affect Docker due to an implementation detail that happens to block the attack.)","published":"2020-02-12T15:15:12.210Z","modified":"2026-07-08T05:55:33.598156591Z","cvss":{"score":7,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Go","name":"github.com/opencontainers/runc","fixedVersion":"1.0.0-rc9.0.20200122160610-2fc03cc11c77"}],"fix":{"url":"https://github.com/opencontainers/runc/pull/2190","label":"opencontainers/runc#2190"},"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/03/msg00023.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ANUGDBJ7NBUMSUFZUSKU3ZMQYZ2Z3STN/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DHGVGGMKGZSJ7YO67TGGPFEHBYMS63VF/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNB2UEDIIJCRQW4WJLZOPQJZXCVSXMLD/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FYVE3GB4OG3BNT5DLQHYO4M5SXX33AQ5/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I6BF24VCZRFTYBTT3T7HDZUOTKOTNPLZ/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00018.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0688"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0695"},{"type":"ADVISORY","url":"https://github.com/opencontainers/runc/releases"},{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2019-19921"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202003-21"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4297-1/"},{"type":"REPORT","url":"https://github.com/opencontainers/runc/pull/2190"},{"type":"FIX","url":"https://github.com/opencontainers/runc/issues/2197"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:55:33.598156591Z"}}