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Date: Mon, 17 Aug 2015 15:52:17 +0200
From: Jan Kara <>
Subject: CVE-2015-5706: kernel: Use-after-free in path lookup


when looking into a fix for above CVE (commit f15133df088 in Linux kernel
git tree) I found out that the commit description is wrong and the problem
wasn't introduced by commit 60545d0d4610 in 3.11 but only by commit
5e53084d7734 "path_init(): store the "base" pointer to file in nameidata
itself" in 3.19. So the fix doesn't have to backported all the way back to

For detailed analysis feel free to see:


Jan Kara <>

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