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Lots of vulnerabilities in smartphone's DSPs
Smartphones are dubbed as the Swiss Army Knife of Technology. Many features are backed by so-called Digital Signal Processor. It turns out DSPs have lots of vulnerabilities.
Researchers warn of an Achilles' heel security flaw for Android phones Quote:
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Signature: Furthermore, I consider that systemd must be destroyed. Based on Latin oratorical phrase |
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Have android phones always had these DSPs? The newest of the phones I've collected is from 2015. I suppose it's vulnerable to many things besides this though, not having been updateable since 2016.
Are any NetBSD developers trying to port to phones, like the way debian has a slow burn effort to do, and postmarketOS is working very hard at? Or would that even help with this kind of vulnerability? I'm profoundly ignorant of android device architecture. Is the dsp on the side the operating system runs on or over on the baseband chip side? |
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Don't know about NetBSD but s.o. booted FreeBSD on the Pinephone.
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I'm so tempted to get one of those pine phones or their laptops.
Here's NetBSD booting on a Nokia N900: https://dmesgd.nycbug.org/index.cgi?do=view&id=3003 So maybe some are quietly working on phone support. |
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Today I noticed a roadmaps directory in the NetBSD source tree with a file about mobile devices. It was last updated three years ago, so the situation may have since changed, but it doesn't look like there was much going on then, at least nothing known to the person who was good enough to update these roadmaps:
http://cvsweb.netbsd.org/bsdweb.cgi/..._with_tag=HEAD It seems to me that for the time being Linux + the free software efforts on middleware and touch screen UIs is the only hope for a freely licensed (okay, some of you may not consider Linux's license to be free) non-android or iOS phone operating system. As a casual observer, PostmarketOS looks like the best bet of those efforts that are not trying to make Android with a different license, but I don't know all the efforts |
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There was a project, which is related to defora.org (it's still active on github). Not sure how far they got.
https://www.bsdcan.org/2013/schedule...ments/246_Call your NetBSD.pdf I guess postmarketOS is indeed your best bet (tailored for the pinephone). There is also Maemo Leste, which is Devuan based. Sailfish is also good, which OS has Linux roots. And UBports, which is Ubuntu Touch. The Librem 5 development PureOS (with Posh) is Debian/Gnome based if I recall correctly. I like postmarketOS with their Alpine base. |
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android, digital signal processor, smartphone |
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