Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ease of attacking | KernelTrap

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ease of attacking

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From: Kyle Moffett

Subject: Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ease of attacking

Date: Tuesday, November 16, 2010 - 10:41 pm

Whoops... I apparently can't count to 3... (at least not correctly anyways) :-D.

On Wed, Nov 17, 2010 at 00:40, Kyle Moffett <kyle@moffetthome.net> wrote:
quoted text>  (1) For 99%+ of all the computers out there you can get a 90%+
[...]
quoted text>  (2) Most of the arguments about introducing "uncertainty" into the
[...]
quoted text>  (2) By just flat out changing the permissions on this file you are
[...]
quoted text>  (3) If you are really interested in locking down a system to this

Cheers,
Kyle Moffett
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Messages in current thread:

[PATCH] kernel: make /proc/kallsyms mode 400 to reduce eas ..., Marcus Meissner, (Tue Nov 16, 3:46 am)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Kyle McMartin, (Tue Nov 16, 10:07 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Kyle Moffett, (Tue Nov 16, 10:40 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Kyle Moffett, (Tue Nov 16, 10:41 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Linus Torvalds, (Tue Nov 16, 10:58 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Willy Tarreau, (Tue Nov 16, 11:19 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Ingo Molnar, (Thu Nov 18, 12:31 am)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Ingo Molnar, (Thu Nov 18, 12:48 am)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Sarah Sharp, (Fri Nov 19, 12:19 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Linus Torvalds, (Fri Nov 19, 12:54 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., david, (Fri Nov 19, 12:58 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Linus Torvalds, (Fri Nov 19, 1:04 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Willy Tarreau, (Fri Nov 19, 1:16 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., david, (Fri Nov 19, 1:55 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Kees Cook, (Fri Nov 19, 8:18 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Richard W.M. Jones, (Sat Nov 20, 4:05 am)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Avi Kivity, (Sat Nov 20, 4:32 am)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Pavel Machek, (Tue Nov 23, 10:24 am)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Ingo Molnar, (Fri Nov 26, 12:38 am)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Ingo Molnar, (Fri Nov 26, 12:48 am)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Ingo Molnar, (Fri Nov 26, 12:51 am)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Sarah Sharp, (Mon Nov 29, 9:33 am)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Ingo Molnar, (Mon Nov 29, 11:04 am)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., H. Peter Anvin, (Mon Nov 29, 12:03 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., H. Peter Anvin, (Mon Nov 29, 12:05 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Eric Paris, (Mon Nov 29, 12:21 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., H. Peter Anvin, (Mon Nov 29, 12:38 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ..., Willy Tarreau, (Mon Nov 29, 2:49 pm)

Re: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ...