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Since Electron v21 there is a V8 memory cage/sandbox that has been enabled, which prevents native modules from pointing to external memory.
The fix is to copy externally-created buffers into th V8 memory cage before passing them to JavaScript:
https://www.electronjs.org/blog/v8-memory-cage#i-want-to-refactor-a-node-native-module-to-support-electron-21-how-do-i-do-that
Without this fix the Electron render process crashes when
getAlignedBuffer()is called. I've tested that this fix works on Windows 11 and MacOS Ventura.