Linux MINCORE System Call Changed To Avoid Information Leaks

phoronix

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Linux MINCORE System Call Changed To Avoid Information Leaks

06 January 2019, 07:10 PM

Phoronix: Linux MINCORE System Call Changed To Avoid Information Leaks

While Linus Torvalds tends to be very strict about accepting kernel changes that have the potential of breaking user-space, he himself authored a patch today to change the mincore() system call to enhance the security...

Linux MINCORE System Call Changed To Avoid Information Leaks - Phoronix

http://www.phoronix.com/scan.php?page=news_item&px=Linux-MINCORE-Change

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andreano

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10 January 2019, 03:12 PM

Indeed, it was a side channel:

New hardware-agnostic side-channel attack works against Windows and Linux

https://www.zdnet.com/article/new-hardware-agnostic-side-channel-attack-works-against-windows-and-linux/

Side-channel attack almost certainly works against macOS, but researchers haven't tested it.
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