Androidスマートフォンのディスクを暗号化することは危険？

下記の記事が出ている。

　Android’s full-disk encryption just got much weaker—here’s why
　ars technica: July 2, 2016
　http://arstechnica.com/security/2016/07/androids-full-disk-encryption-just-got-much-weaker-heres-why/

　Kernel vulnerability in Qualcomm processors weakens Android phone encryption
　SC Magazine: July 1, 2016
　http://www.scmagazine.com/kernel-vulnerability-in-qualcomm-processors-weakens-android-phone-encryption/article/506966/