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[USN-3375-1] LXC vulnerability

Posted on 02 August 2017
Ubuntu Security

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Ubuntu Security Notice USN-3375-1
August 02, 2017

lxc vulnerability
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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 versions:

Ubuntu 14.04 LTS:
lxc 1.0.10-0ubuntu1.1

After a standard system update you need to restart LXC containers to make=

all the necessary changes.

References:
https://www.ubuntu.com/usn/usn-3375-1
CVE-2016-10124

Package Information:
https://launchpad.net/ubuntu/+source/lxc/1.0.10-0ubuntu1.1



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