oss-security - Re: CVE request - kernel: GFS2: The setflags ioctl() doesn't check file ownership

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Date: Tue, 25 May 2010 16:07:35 -0400 (EDT)
From: Josh Bressers <bressers@...hat.com>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request - kernel: GFS2: The setflags ioctl()
 doesn't check file ownership

Please use CVE-2010-1641

Thanks.

-- 
    JB

----- "Eugene Teo" <eugeneteo@...nel.sg> wrote:

> Besides checking the write permissions, the setflags ioctl should also
> 
> be checking for the ownership of the file. It's a minor issue but the
> 
> behaviour is unexpected.
> 
> References:
> https://bugzilla.redhat.com/show_bug.cgi?id=595579
> http://www.linux-archive.org/cluster-development/375481-gfs2-fix-permissions-checking-setflags-ioctl.html
> 
> Thanks, Eugene
> -- 
> main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i);
> }

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