Messages in this thread | | | From | Kay Sievers <> | Date | Thu, 14 Jan 2010 22:45:12 +0100 | Subject | Re: Driver-Core: devtmpfs - reset inode permissions before unlinking |
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On Thu, Jan 14, 2010 at 22:07, Henrique de Moraes Holschuh <hmh@hmh.eng.br> wrote: > On Thu, 14 Jan 2010, Kay Sievers wrote: >> On Thu, Jan 14, 2010 at 21:53, Henrique de Moraes Holschuh >> <hmh@hmh.eng.br> wrote: >> > On Wed, 13 Jan 2010, Kay Sievers wrote: >> >> across the device lifetime by creating hardlinks, in the unusual case >> >> that there is a user-writable directory on the same filesystem. >> > >> > Does a tmpfs mounted in /dev/shm count as "user-writable directory on the >> > same filesystem" ? >> >> Not if it's a separate tmpfs mount, which is recommended. Only if it's >> just a plain directory on the /dev filesystem. > > Yeah, I noticed the abusurdity of my question when I re-read it, thanks for > being kind in the reply. > > That said, this does fix a possible security problem when a misconfigured > system is used, and the fix looks rather simple... Can it go to -stable > eventually, even if it is months in the future, after it gets some testing > in .34 ? Minor problems are still problems...
Sure, we could do that. There is some stuff in the current .33 kernel, which could go into .32-stable too, if that's useful.
Kay -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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