Quote:
Originally Posted by RickS
Do you have a link?
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Found a recent arm64 patch that unmaps the kernel while running in user space:
https://lwn.net/Articles/740393/
It is based on the paper here:
https://gruss.cc/files/kaiser.pdf
It looks like this is a general response to the problem of kernel bugs, Rowhammer attacks, etc. and not a reaction to a specific vulnerability. But I could be wrong. The details of the x86 problem have been kept very much under wraps.
Update: here's a 2016 paper that appears to describe the vulnerability:
https://gruss.cc/files/prefetch.pdf