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Date: Sat, 16 May 2015 16:38:29 +0200
From: Jakub Wilk <>
Subject: Re: QEMU 2.3.0 tmp vulns CVE request

* Michael Tokarev <>, 2015-05-16, 11:45:
>>    snprintf(s->smb_dir, sizeof(s->smb_dir), "/tmp/qemu-smb.%ld-%d",
>>             (long)getpid(), instance++);
>This one is real, used for -smb argument, to start smbd, making its 
>configuration.  Maybe tmpnam() should be used here.

"Never use this function.  Use mkstemp(3) or tmpfile(3) instead."

Jakub Wilk

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