A severe vulnerability in a system on certain Qualcomm chips, which has been patched, potentially could have enabled attackers to access users’ text messages and call histories and listen in on conversations. A spokesperson from Qualcomm tells Information Security Media Group that it provided a patch to device manufacturers in December 2020. Qualcomm manufactures chips that are used in more than 40% of smartphones, including devices shipped by Samsung, Google, LG, OnePlus, Xiaomi and others. The vulnerability also could have potentially been exploited to unlock a devices SIM, Check Point says.”]
Source: https://www.devicesecurity.io/how-patched-android-chip-flaw-could-have-enabled-spying-a-16545

