USN-2104-1: LXC vulnerability
12 February 2014
LXC would allow unintended access to the host, bypassing intended confinement.
Releases
Packages
- lxc - Linux Containers userspace tools
Details
Florian Sagar discovered that the LXC sshd template set incorrect mount
permissions. An attacker could possibly use this flaw to cause privilege
escalation on the host.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 13.10
After a standard system update you need to recreate LXC containers created
with the sshd template to make all the necessary changes.