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Date: Tue, 18 Aug 2015 14:44:51 +0200
From: Florian Weimer <>
Subject: Re: CVE Request for glusterfs:  fuse check return value of setuid

* Siddharth Sharma:

> Problem description from the bug: 
> setuid() sets the effective user ID of the calling process.  
> If the effective UID of the caller is root, the real UID and
> saved set-user-ID are also set. On success, zero is returned.
> On error, -1 is returned, and errno is set appropriately.
> Note: there are cases where setuid() can fail even when the 
> caller is UID 0; it is a grave security error to omit checking
> for a failure return from setuid(). if an environment limits 
> the number of processes a user can have, setuid() might fail if
> the target uid already is at the limit.
> Can we have CVE assigned to this ?
> Upstream Ref: 

Original code:


Pluse two more locations in that file.

A single CVE ID for all these issues should probably suffice.

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