Date: Wed, 6 Apr 2016 11:52:30 -0700 (PDT) From: Christian Kujau <lists@...dbynature.de> To: ed@...sec.com cc: Linus Torvalds <torvalds@...ux-foundation.org>, Dan Rosenberg <dan.j.rosenberg@...il.com>, Dave Jones <davej@...hat.com>, Kees Cook <keescook@...omium.org>, Kernel Hardening <kernel-hardening@...ts.openwall.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] KERNEL: resource: Fix bug on leakage in /proc/iomem file On Wed, 6 Apr 2016, ed@...sec.com wrote: > First, I wrote your attached patch, but then I thought zeroing other > /proc/iomem values would be better. So I changed it. On my systems, /proc/iomem, /proc/ioports and others get their world-readable bits removed during bootup - I guess that would mitigate this issue too? Christian. -- BOFH excuse #184: loop found in loop in redundant loopback
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