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@AmarSaar | |||||
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Wow, crazy issue bypasses PAN: Part of the uaccess routines (__arch_clear_user() and __arch_copy_{in,from,to}_user()) fail to re-enable PAN if they encounter an unhandled fault while accessing userspace. Check out the patch: lore.kernel.org/patchwork/patc… @Liran_Alon
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Saar Amar
@AmarSaar
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23. sij |
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Short time after the publish of the crazy design issue, contradicting XOM on EL0 && PAN (the arch can't create ---/--x, checkout @s1guza's amazing post. TL;DR twitter.com/AmarSaar/statu…)
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Gil Dabah
@_arkon
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23. sij |
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Lol
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