module: github.com/opencontainers/runc
package: github.com/opencontainers/runc/libcontainer
versions:
- fixed: v1.0.0-rc9.0.20200122160610-2fc03cc11c77
description: |+
  A race while mounting volumes allows a possible symlink-exchange
  attack, allowing a user whom can start multiple containers with
  custom volume mount configurations to escape the container.

published: 2021-04-14T12:00:00Z
cve: CVE-2019-19921
credit: Leopold Schabel
symbols:
- mountToRootfs
links:
  pr: https://github.com/opencontainers/runc/pull/2207
  commit: https://github.com/opencontainers/runc/commit/2fc03cc11c775b7a8b2e48d7ee447cb9bef32ad0
  context:
  - https://github.com/opencontainers/runc/issues/2197