there's a public poc? link?
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Well, this is interesting because it appears in a jailbreak...
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Wait? What? Where?
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Patching is per tenant. Amazon is at below 10% at this time.
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Maybe they patch for meltdown
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https://support.google.com/faqs/answer/7622138 … They pointed out that they patch the general issue (all 3)
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The POC you linked is going to run even if you apply KPTI/retpolines, since it just reads from the process address space. The patches make it so that the exploit can't read the kernel address space. Only a hardware patch will stop this POC, but retpolines make it unexploitable.
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Well of course, the mitigation needs to be applied to the victim code, but you are providing your own unpatched victim code in the poc...
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