From: daw@cs.berkeley.edu (David Wagner)
To: linux-kernel@vger.kernel.org
Subject: Re: Security: information leaks in /proc enable keystroke recovery
Date: Sun, 16 Aug 2009 00:44:14 +0000 (UTC) [thread overview]
Message-ID: <h67kou$ahr$1@taverner.cs.berkeley.edu> (raw)
In-Reply-To: 20090816003326.GC7554@mit.edu
Theodore Tso wrote:
> A configuration option which defaults to disabling ESP and EIP would
> be a simple way to prevent this specific instance of information
> leakage. The problem is there are other files that might reveal
> timing information, but which are very useful for a system
> administrator. A key example of this is /proc/$pid/wchan, which is
> responsible for the WCHAN column is a ps listing.
If they're useful for system administrators, would making them
readable to root (but not everyone) be enough?
next prev parent reply other threads:[~2009-08-16 0:53 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-15 22:21 Security: information leaks in /proc enable keystroke recovery David Wagner
2009-08-15 23:25 ` Oliver Pinter
2009-08-16 20:06 ` Robert Watson
2009-08-16 21:09 ` David Wagner
2009-08-16 23:25 ` Robert N. M. Watson
2009-08-17 0:58 ` David Wagner
2009-08-17 10:11 ` Robert Watson
2009-08-19 1:57 ` Dag-Erling Smørgrav
2009-08-16 0:33 ` Theodore Tso
2009-08-16 0:44 ` David Wagner [this message]
2009-08-16 1:33 ` Theodore Tso
2009-08-16 8:18 ` david
2009-08-17 0:31 ` David Wagner
2009-08-17 2:22 ` Theodore Tso
2009-08-17 2:45 ` James Morris
2009-08-17 3:16 ` Arjan van de Ven
2009-08-21 14:02 ` Pavel Machek
2009-08-22 17:22 ` Henrique de Moraes Holschuh
2009-08-17 1:39 ` Amerigo Wang
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