linux-kernel - Re: [patch] remove MNT_NOEXEC check for PROT

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

Date:	Sat, 23 Sep 2006 19:58:33 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Hugh Dickins <hugh@...itas.com>
Cc:	Stas Sergeev <stsp@...et.ru>, Andrew Morton <akpm@...l.org>,
	Ulrich Drepper <drepper@...hat.com>,
	Linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: [patch] remove MNT_NOEXEC check for PROT_EXEC mmaps

Ar Sad, 2006-09-23 am 17:04 +0100, ysgrifennodd Hugh Dickins:
> No, it's not.  But this doesn't have much to do with tmpfs,
> nor with shm_open.  It's just that the kernel is not allowing
> mmap PROT_EXEC on a MNT_NOEXEC mount.  Which seems reasonable
> (though you can argue that mprotect ought to disallow it too).

Agreed mprotect should also be fixed.


-
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/