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Message-ID: <53CBB143.1020206@nod.at> Date: Sun, 20 Jul 2014 14:08:35 +0200 From: Richard Weinberger <richard@....at> To: Andreas Schwab <schwab@...ux-m68k.org> CC: Joakim Tjernlund <joakim.tjernlund@...nsmode.se>, LKML <linux-kernel@...r.kernel.org> Subject: Re: ls -l /proc/1/exe -> Permission denied Am 20.07.2014 13:51, schrieb Andreas Schwab: > Richard Weinberger <richard.weinberger@...il.com> writes: >> Do you have an example? > > proc symlinks are special because they actually resolve to the inode. Ah. If an attacker manages the kernel to follow the symlink he could indirectly access that file. Thanks for pointing this out! Thanks, //richard -- 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/
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