Not logged in
Log in now
Create an account
Subscribe to LWN
LWN.net Weekly Edition for May 16, 2013
A look at the PyPy 2.0 release
PostgreSQL 9.3 beta: Federated databases and more
LWN.net Weekly Edition for May 9, 2013
(Nearly) full tickless operation in 3.10
World-writable memory on Samsung Android phones
Posted Dec 17, 2012 17:12 UTC (Mon) by ledow (guest, #11753)
FireWire also had similar problems inherent in the design of the protocol itself that allowed systems to read any memory locat
It's pretty common. The question is how hard it is to exploit (i.e. this is incredibly easy, by just installing the "wrong" apk file) and how long it takes someone to find it (3DFX basically "got lucky" in that nobody noticed until nobody was using 3DFX drivers anyway).
Posted Dec 17, 2012 17:20 UTC (Mon) by Cyberax (✭ supporter ✭, #52523)
However, in this case Samsung's engineers should have known better.
Posted Dec 17, 2012 17:28 UTC (Mon) by andreasb (subscriber, #80258)
Every node has its own memory space, but that is an abstract concept with no requirement that it maps to the node's physical memory at all, much less that it maps 1:1 unrestricted. So that is not actually inherent in the protocol.
Posted Dec 17, 2012 17:43 UTC (Mon) by dpquigl (subscriber, #52852)
Copyright © 2013, Eklektix, Inc.
Comments and public postings are copyrighted by their creators.
Linux is a registered trademark of Linus Torvalds