Libcontainer 1.6.0, as used in Docker Engine, allows local users to escape containerization ("mount namespace breakout") and write to arbitrary file on the host system via a symlink attack in an image when respawning a container.
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{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.6.2~dfsg1-1ubuntu4", "binary_name": "docker.io" }, { "binary_version": "1.6.2~dfsg1-1ubuntu4", "binary_name": "golang-docker-dev" }, { "binary_version": "1.6.2~dfsg1-1ubuntu4", "binary_name": "vim-syntax-docker" } ] }