Threatline

New Linux Kernel Cgroups Vulnerability Could Let Attackers Escape Container

Details have emerged about a now-patched high-severity vulnerability in the Linux kernel that could potentially be abused to escape a container in order to execute arbitrary commands on the container host. The shortcoming resides in a Linux kernel feature called control groups, also referred to as cgroups version 1 (v1), which allows processes to be organized into hierarchical groups,