Amazon Linux AMI Security Advisory: ALAS-2015-622
Advisory Release Date: 2015-12-13 14:22 Pacific
It was discovered that the xfs_metadump tool of the xfsprogs suite did not fully adhere to the standards of obfuscation described in its man page. In case a user with the necessary privileges used xfs_metadump and relied on the advertised obfuscation, the generated data could contain unexpected traces of potentially sensitive information.
Run yum update xfsprogs to update your system.