Messages in this thread | | | Date | Sun, 20 Aug 2006 17:31:27 -0500 | From | Eric Sandeen <> | Subject | Re: CVE-2006-3468: which patch to use? |
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Adrian Bunk wrote: > While going through patches for 2.6.16.x, I stumbled over the following > regarding the "NFS export of ext2/ext3" security vulnerabilities (the > ext3 one is CVE-2006-3468, I don't whether there's a number for the > ext2 one): > > There are three patches available: > have-ext2-reject-file-handles-with-bad-inode-numbers-early.patch > have-ext3-reject-file-handles-with-bad-inode-numbers-early.patch > ext3-avoid-triggering-ext3_error-on-bad-nfs-file-handle.patch > > The first two patches are except for a s/ext2/ext3/ identical. > > The two ext3 patches fix the same issue in slightly different ways. > > It seems there was already some agreement that the first of the two ext3 > patches should be preferred due to being more the same as the ext2 patch > (see [1] and followups). > > But the only patch that is applied in 2.6.18-rc4 (and in 2.6.17.9) is > the ext3 patch that is _not_ identical to the ext2 one. > > Is it the correct solution to revert this ext3 patch in both 2.6.18-rc > and 2.6.17 and to apply the other two patches? > > cu > Adrian > > BTW: I've attached all three patches. > > [1] http://lkml.org/lkml/2006/8/4/192
IMO the first two should be used; i.e. those that add ext[23]_get_dentry().
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