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On 07/29/2013 09:00 AM, Eugen Leitl wrote:
Anyone knows whether a Nexus 4 baseband processor has r/w access to
system memory? The firmware doesn't seem to be loaded at boot, so I
presume it's entirely out of reach/ reversing?
- From what I know, there has been nothing specific done (yet) in the
Guardian ROM work to combat baseband attacks.
Something interesting about the Nexus 4:
http://www.ifixit.com/Teardown/Nexus+4+Teardown/11781/3
It appears to have two separate "modem" chips, perhaps related to
extended support for LTE:
Qualcomm WTR1605L Seven-Band 4G LTE chip
Qualcomm MDM9215M 4G GSM/UMTS/LTE modem
Searching for either of those parts online reveals a good amount of
documentation, but not many specifics related to Android.
+n
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