linux-kernel - Hi all, bug or design flaw?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <22d9728d1001211705i4cf90df2ha730061ea01972b6@mail.gmail.com>
Date:	Fri, 22 Jan 2010 02:05:50 +0100
From:	Stepan Chatalyan <kehcho@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: Hi all, bug or design flaw?

Hi there,

I'm Stepan G. Chatalyan, and i think that I discovered a bug or design
flaw... and I don't know that it is provide from kernel...

Let's see:

(1) I mount /tmp with noexec,nosuid,nodev options

/dev/hda6 on /tmp type ext3 (rw,noexec,nosuid,nodev,relatime)

(2) I went to 'cd /tmp'`and I created a bash script, or another script
(perl, python, etc)... and chmod +x createdfile
script cointain:

#!/bin/bash
echo "Probe..."

(3) I tried to execut it with "./createdfile"
[kehcho@...cho] [/tmp]$ ./createdfile
-bash: ./createdfile: /bin/bash: bad interpreter: Permission denied

(4) I tried to execute it, but pass to bash ". /tmp/createdfile"

[kehcho@...nadowt] [/tmp]$ . /tmp/createdfile
Probe...

It is a kernel bug or I just report a another one?

BB

-- 
Regards
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/