USN-6088-2: runC vulnerabilities

USN-6088-1 fixed vulnerabilities in runC. This update provides the corresponding updates for Ubuntu 16.04 LTS. It was discovered that runC incorrectly performed access control when mounting /proc to non-directories. An attacker could possibly use this issue to escalate privileges. CVE-2019-19921...

Arbitrary File Read

github.com/opencontainers/runc is vulnerable to arbitrary file read. The vulnerability exists as the AppAmor restrictions can be bypassed due to incorrect mount targets check, allowing a malicious Docker image to be mounted over a /proc directory...