runc through 1.1.4 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. NOTE: this issue exists because of a CVE-2019-19921 regression.
{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "golang-github-opencontainers-runc-dev",
"binary_version": "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm4"
},
{
"binary_name": "runc",
"binary_version": "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm4"
}
]
}