Messages in this thread | | | Date | Mon, 7 Apr 2003 20:47:19 +0200 | From | Wichert Akkerman <> | Subject | Re: [PATCH] new syscall: flink |
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Previously H. Peter Anvin wrote: > b) This is a security hole, in which case /proc needs to be fixed. In > particular, the open("/proc/self/fd/3", O_RDWR) in my example above > should return EPERM.
proc might not be a problem if you deal with a chroot or namespace which doesn't have proc mounted and no processes running with mount capabilities. flink could still be a problem in those situations.
Wichert.
-- Wichert Akkerman <wichert@wiggy.net> http://www.wiggy.net/ A random hacker - 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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