Re: Multiple OS kernel insecure handling of stdio file descriptor

["Michele Cicciotti" <mc () khamsa net>]

>  SP> The AIX Security Team can be reached at security-alert () austin ibm com.
>  SP> We have investigated this issue and AIX is not affected. A privileged
>  SP> process will not inherit closed file descriptors for stdio, stdout and
>  SP> stderr.
> well, but what is used for stdout if it's closed in the parent
> process just before fork(2) call?!

I don't know what's the case for AIX, but the typical fix for this vulnerability is to reopen stdout and stderr to 
/dev/null for setuid processes

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