In all Qualcomm products with Android releases from CAF using the Linux kernel, user-level permissions can be used to gain access to kernel memory, specifically the ION cache maintenance code is writing to a user supplied address.
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Link | Tags |
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https://source.android.com/security/bulletin/2017-09-01 | patch vendor advisory |
http://www.securityfocus.com/bid/100658 | vdb entry third party advisory |