Re: Meltdown-US / Meltdown 3a Remaining Leakage

Re: Meltdown-US / Meltdown 3a Remaining Leakage

Open Source Security 

Posted by Michael Schwarz on Oct 08

Hi Alexander,

Yes, that is true. Android, for example, prevents unprivileged access
since version 8 to this file to prevent such attacks:

https://issuetracker.google.com/issues/37140047?pli=1

If our proposed mitigation is implemented (e.g., as opt-in using a
kernel command-line parameter), the implementation could additionally
prevent unprivileged access to /proc/interrupts.

Michael
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