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During the list_for_each_entry_rcu iteration call of xenvif_flush_hash, kfree_rcu does not exist inside the rcu read critical section, so if kfree_rcu is called when the rcu grace period ends during the iteration, UAF occurs when accessing head->next after the entry becomes free. Therefore, to solve this, you need to change it to list_for_each_entry_safe. Signed-off-by: Jeongjun Park <aha310510@gmail.com> Link: https://patch.msgid.link/20240822181109.2577354-1-aha310510@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| .. | ||
| common.h | ||
| hash.c | ||
| interface.c | ||
| Makefile | ||
| netback.c | ||
| rx.c | ||
| xenbus.c | ||