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From: Pavel Labushev <p.labushev@gmail.com>
To: kernel-hardening@lists.openwall.com
Subject: Re: [kernel-hardening] /proc/PID directory hiding
Date: Sun, 05 Jun 2011 08:10:19 +0800	[thread overview]
Message-ID: <4DEAC96B.1010107@gmail.com> (raw)
In-Reply-To: <20110604202018.GA8019@shinshilla>

05.06.2011 04:20, Vasiliy Kulikov пишет:

>> Is the above on grsecurity?
> 
> No, grsecurity hides uid/gid from both *stat*(2) and getdents*(2) functions
> (implemented as proc_pid_readdir() and pid_getattr()).

Yes, it's on grsecurity. Just try it and see.

$ uname -r
2.6.39-grsec
$ find /proc -maxdepth 1 -type d -name 1
$ ls -ld /proc/1
dr-xr-x--- 6 root root 0 Jun  4 21:05 /proc/1

  parent reply	other threads:[~2011-06-05  0:10 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20110518150601.GA2921@albatros>
     [not found] ` <20110524023409.GC12486@openwall.com>
     [not found]   ` <20110524151246.GA3401@albatros>
     [not found]     ` <4DE139FE.8050808@gmail.com>
2011-06-04 18:19       ` [kernel-hardening] /proc/PID directory hiding (was: [owl-dev] segoon's status report - #1 of 15) Solar Designer
2011-06-04 20:20         ` Vasiliy Kulikov
2011-06-04 21:03           ` Solar Designer
2011-06-05  0:10           ` Pavel Labushev [this message]
2011-06-05  1:18             ` [kernel-hardening] /proc/PID directory hiding Pavel Labushev

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