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GITBOOK-3991: change request with no subject merged in GitBook

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CPol 2023-06-24 17:50:58 +00:00 committed by gitbook-bot
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macos-hardening/macos-security-and-privilege-escalation/mac-os-architecture/macos-kernel-extensions.md
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@ -27,6 +27,7 @@ Obviously, this is so powerful, it's complicated to load a kernel extension. The
* The Kext must be **signed with a kernel code signing certificate**, which can only be granted by **Apple**. Who will be **reviewing** in detail the **company** and the **reasons** why this is needed. * The Kext must be **signed with a kernel code signing certificate**, which can only be granted by **Apple**. Who will be **reviewing** in detail the **company** and the **reasons** why this is needed.
* The Kext also needs to be **notarized**, Apple will be able to check it for malware. * The Kext also needs to be **notarized**, Apple will be able to check it for malware.
* Then, the **root user** is the one that can load the Kext and the files inside the bundle must belong to root. * Then, the **root user** is the one that can load the Kext and the files inside the bundle must belong to root.
* During the loading process the bundle must be staged to a rootless protected location: /`Library/StagedExtensions` (requires entitlement `com.apple.rootless.storage.KernelExtensionManagement`)
* Finally, once trying to load it, the [**user will be prompted for confirmation**](https://developer.apple.com/library/archive/technotes/tn2459/\_index.html) and if accepted, the computer must **reboot** to load it. * Finally, once trying to load it, the [**user will be prompted for confirmation**](https://developer.apple.com/library/archive/technotes/tn2459/\_index.html) and if accepted, the computer must **reboot** to load it.
### Loading Process ### Loading Process
@ -46,6 +47,7 @@ If kextd is not available, kextutil can perform the same checks.
## References ## References
* [https://www.makeuseof.com/how-to-enable-third-party-kernel-extensions-apple-silicon-mac/](https://www.makeuseof.com/how-to-enable-third-party-kernel-extensions-apple-silicon-mac/) * [https://www.makeuseof.com/how-to-enable-third-party-kernel-extensions-apple-silicon-mac/](https://www.makeuseof.com/how-to-enable-third-party-kernel-extensions-apple-silicon-mac/)
* [https://www.youtube.com/watch?v=hGKOskSiaQo](https://www.youtube.com/watch?v=hGKOskSiaQo)
<details> <details>