[PATCH] [SRU][Trusty] Fix for CVE-2017-7645

[Paolo Pisati]

https://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-7645.html

According to the above page, CVE-2017-7645 requires three commits:

commit e6838a29ecb484c97e4efef9429643b9851fba6e
Author: J. Bruce Fields <bfields at redhat.com>
Date:   Fri Apr 21 16:10:18 2017 -0400

    nfsd: check for oversized NFSv2/v3 arguments

that is the attached patch, and is a clean cherry-pick

commit db44bac41bbfc0c0d9dd943092d8bded3c9db19b
Author: J. Bruce Fields <bfields at redhat.com>
Date:   Tue Apr 25 16:21:34 2017 -0400

    nfsd4: minor NFSv2/v3 write decoding cleanup

already present in Trusty for CVE-2017-7895 as

5cf9cac nfsd4: minor NFSv2/v3 write decoding cleanup

commit 13bf9fbff0e5e099e2b6f003a0ab8ae145436309
Author: J. Bruce Fields <bfields at redhat.com>
Date:   Fri Apr 21 15:26:30 2017 -0400

    nfsd: stricter decoding of write-like NFSv2/v3 ops

already present in Trusty as part of CVE-2017-7895 as

7b86de9 nfsd: stricter decoding of write-like NFSv2/v3 ops

J. Bruce Fields (1):
  nfsd: check for oversized NFSv2/v3 arguments

 fs/nfsd/nfssvc.c | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

-- 
2.7.4