Four security flaws found on Qualcomm chips in Android based phones are leaving up to 900 million users exposed. The flaw could allow hackers to gain privileged access to the phone, and can be triggered from malware that doesn’t require special permissions. Three out of the four security holes have been patched as of this article. These flaws come after previous reports of security vulnerabilities on Android phones using Qualcomm’s chips. Read more at ARS Technica.