Uploaded May 2021 | Updated September 2026, 17 hours ago
More information: m1racles.com
M1RACLES (CVE-2021-30747) is a covert channel vulnerability found on Apple Silicon "M1" CPUs. This vulnerability allows data to be secretly exchanged between two applications, even running as different users, without using any normal OS channels or features. Data flows straight from one process to another, like magic.
This proof-of-concept demonstrates that the 2-bit covert channel has enough throughput to transmit video in real-time, and that the channel can be made robust enough to do so with few or no visible glitches.
I'm working on porting Linux to the M1, and I found this flaw accidentally while researching it. Check out my other videos for streams of when I work, and if you like what I'm doing please check out my Patreon! patreon.com/marcan
Song: Bad Apple!! feat.nomico by Alstroemeria Records
Animation: あにら
Original video: youtube.com/watch?v=i41KoE0iMYU
More information: m1racles.com
M1RACLES (CVE-2021-30747) is a covert channel vulnerability found on Apple Silicon "M1" CPUs. This vulnerability allows data to be secretly exchanged between two applications, even running as different users, without using any normal OS channels or features. Data flows straight from one process to another, like magic.
This proof-of-concept demonstrates that the 2-bit covert channel has enough throughput to transmit video in real-time, and that the channel can be made robust enough to do so with few or no visible glitches.
I'm working on porting Linux to the M1, and I found this flaw accidentally while researching it. Check out my other videos for streams of when I work, and if you like what I'm doing please check out my Patreon! patreon.com/marcan
Song: Bad Apple!! feat.nomico by Alstroemeria Records
Animation: あにら
Original video: youtube.com/watch?v=i41KoE0iMYU
![Bringing up Asahi Linux on the M1 Pro, Part 2 [2021-11-02]](https://i.ytimg.com/vi/i9LzRd8TDQ8/mqdefault.jpg "Bringing up Asahi Linux on the M1 Pro, Part 2 [2021-11-02]
Penguins happened, but its not quite right yet. Lets bring up the hypervisor so we can investigate the rest of the M1 Pro differences.
Website: https://asahilinux.org
Patreon: https://patreon.com/marcan
GitHub Sponsors: https://github.com/sponsors/marcan
In these streams I show how I work. I may or may not talk, and I may or may not read the chat. If you need to catch my attention, its probably best to ping me on IRC, check out asahilinux.org for details!
There is currently no set schedule for these streams, so subscribe and click the bell if you want to be notified when they happen.
I do not broadcast background music, for copyright reasons and because my music tastes may not match yours. I highly recommend bringing along your own music!")
![Work stream: Writing a hypervisor Pt.8 [2021-05-11]](https://i.ytimg.com/vi/iw_FvXnb_WQ/mqdefault.jpg "Work stream: Writing a hypervisor Pt.8 [2021-05-11]
Mmiotrace hypervisor, maybe?
Website: https://asahilinux.org
Patreon: https://patreon.com/marcan
GitHub Sponsors: https://github.com/sponsors/marcan
In these streams I show how I work. I may or may not talk, and I may or may not read the chat. If you need to catch my attention, its probably best to ping me on IRC, check out asahilinux.org for details!
There is currently no set schedule for these streams, so subscribe and click the bell if you want to be notified when they happen.
I do not broadcast background music, for copyright reasons and because my music tastes may not match yours. I highly recommend bringing along your own music!")
![Bringing up Asahi Linux on the M1 Pro, Part 4 [2021-11-10]](https://i.ytimg.com/vi/j5V4EJXPq6Q/mqdefault.jpg "Bringing up Asahi Linux on the M1 Pro, Part 4 [2021-11-10]
PCIe and the SD card reader work; lets tackle SMC and NVMe!
Website: https://asahilinux.org
Patreon: https://patreon.com/marcan
GitHub Sponsors: https://github.com/sponsors/marcan
In these streams I show how I work. I may or may not talk, and I may or may not read the chat. If you need to catch my attention, its probably best to ping me on IRC, check out asahilinux.org for details!
There is currently no set schedule for these streams, so subscribe and click the bell if you want to be notified when they happen.
I do not broadcast background music, for copyright reasons and because my music tastes may not match yours. I highly recommend bringing along your own music!")
