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Re: CVE request: kernel: problem with NFS v4 client handling of MAY_EXEC in nfs_permission


From: Eugene Teo <eugene () redhat com>
Date: Wed, 20 May 2009 12:06:09 +0800

Eugene Teo wrote:
Frank Filz reported: the problem is that permission checking is skipped
if atomic open is possible, but when exec opens a file, it just opens it
O_READONLY which means EXEC permission will not be checked at that time.

Upstream commit: 7ee2cb7f32b299c2b06a31fde155457203e4b7dd

Thanks, Eugene


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