Talk:Meltdown (security vulnerability): Difference between revisions

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Merge request

Please merge this article with Kernel page-table isolation. -Mardus /talk 22:18, 3 January 2018 (UTC)[reply]

Ideally this page would be about the Meltdown vulnterability, and KPTI would just be about the mitigation/feature? Though I'm not sure how different they both are. Legoktm (talk) 23:46, 3 January 2018 (UTC)[reply]

KPTI/KAISER was originally proposed primarily as an extremely broad (but potentially costly!) mitigation for KASLR bypass attacks. I believe it was proposed before Meltdown was discovered. Meltdown is much worse than a simple KASLR bypass, being able to outright read all mapped memory. KPTI/KAISER, being a very broad hammer, happens to stop the reading of kernel memory using the bug, and that is why it was actually adopted. 184.176.111.201 (talk) 00:33, 4 January 2018 (UTC)[reply]

Where's Spectre

I don't see an article about Spectre (security bug) Artem-S-Tashkinov (talk) 23:59, 3 January 2018 (UTC)[reply]

@@ Line 8: / Line 8: @@
 Please merge this article with [[Kernel page-table isolation]]. -<span style="text-shadow:7px 5px 7px #409fff;">[[User:Mardus|Mardus]] <small>/[[User talk:Mardus|talk]]</small></span> 22:18, 3 January 2018 (UTC)
 :Ideally this page would be about the Meltdown vulnterability, and KPTI would just be about the mitigation/feature? Though I'm not sure how different they both are. [[User:Legoktm|Legoktm]] ([[User talk:Legoktm|talk]]) 23:46, 3 January 2018 (UTC)
+::KPTI/KAISER was originally proposed primarily as an extremely broad (but potentially costly!) mitigation for [[KASLR]] bypass attacks. I believe it was proposed before Meltdown was discovered. Meltdown is much worse than a simple KASLR bypass, being able to outright read all mapped memory. KPTI/KAISER, being a very broad hammer, happens to stop the reading of kernel memory using the bug, and that is why it was actually adopted. [[Special:Contributions/184.176.111.201|184.176.111.201]] ([[User talk:184.176.111.201|talk]]) 00:33, 4 January 2018 (UTC)
 == Where's Spectre ==