[USN-3032-1] eCryptfs vulnerability

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Ubuntu Security Notice USN-3032-1
July 14, 2016

ecryptfs-utils vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS
- Ubuntu 15.10

Summary:

eCryptfs could be made to expose sensitive information.

Software Description:
- ecryptfs-utils: eCryptfs cryptographic filesystem utilities

Details:

It was discovered that eCryptfs incorrectly configured the encrypted swap
partition for certain drive types. An attacker could use this issue to discover
sensitive information.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 LTS:
ecryptfs-utils 111-0ubuntu1.1

Ubuntu 15.10:
ecryptfs-utils 108-0ubuntu1.2

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-3032-1
https://launchpad.net/bugs/1597154

Package Information:
https://launchpad.net/ubuntu/+source/ecryptfs-utils/111-0ubuntu1.1
https://launchpad.net/ubuntu/+source/ecryptfs-utils/108-0ubuntu1.2