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| Src | Date (GMT) | Titre | Description | Tags | Stories | Notes |
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2023-11-03 10:04:59 | Premier combiné avec MTE sur le marché First handset with MTE on the market (lien direct) |
By Mark Brand, Google Project ZeroIntroduction It\'s finally time for me to fulfill a long-standing promise. Since I first heard about ARM\'s Memory Tagging Extensions, I\'ve said (to far too many people at this point to be able to back out…) that I\'d immediately switch to the first available device that supported this feature. It\'s been a long wait (since late 2017) but with the release of the new Pixel 8 / Pixel 8 Pro handsets, there\'s finally a production handset that allows you to enable MTE! The ability of MTE to detect memory corruption exploitation at the first dangerous access is a significant improvement in diagnostic and potential security effectiveness. The availability of MTE on a production handset for the first time is a big step forward, and I think there\'s real potential to use this technology to make 0-day harder. I\'ve been running my Pixel 8 with MTE enabled since release day, and so far I haven\'t found any issues with any of the applications I use on a daily basis1, or any noticeable performance issues. Currently, MTE is only available on the Pixel as a developer option, intended for app developers to test their apps using MTE, but we can configure it to default to synchronous mode for all2 apps and native user mode binaries. This can be done on a stock image, without bootloader unlocking or rooting required - just a couple of debugger commands. We\'ll do that now, but first:Disclaimer This is absolutely not a supported device configuration; and it\'s highly likely that you\'ll encounter issues with at least some applications crashing or failing to run correctly with MTE if you set your device up in this way. This is how I\'ve configured my personal Pixel 8, and so far I\'ve not experienced any issues, but this was somewhat of a surprise to me, and I\'m still waiting to see what the first app that simply won\'t work at all will be...Enabling MTE on Pixel 8/Pixel 8 Pro | Tool Mobile | ★★ |
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