USN-3375-1: LXC vulnerability
Ubuntu Security Notice USN-3375-1
2nd August, 2017
lxc vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 14.04 LTS
Summary
LXC would allow unintended access.
Software description
- lxc
– Linux Containers userspace tools
Details
It was discovered that LXC incorrectly handled the TIOCSTI ioctl. An
attacker could possibly use this issue to escape LXC containers.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 14.04 LTS:
-
lxc
1.0.10-0ubuntu1.1
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart LXC containers to make
all the necessary changes.
References
Source: USN-3375-1: LXC vulnerability
