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| /openbmc/linux/fs/ecryptfs/ |
| H A D | inode.c | 2e21b3f1 Thu Sep 23 02:35:04 CDT 2010 Tyler Hicks <tyhicks@linux.vnet.ibm.com> eCryptfs: Clear LOOKUP_OPEN flag when creating lower file
eCryptfs was passing the LOOKUP_OPEN flag through to the lower file
system, even though ecryptfs_create() doesn't support the flag. A valid
filp for the lower filesystem could be returned in the nameidata if the
lower file system's create() function supported LOOKUP_OPEN, possibly
resulting in unencrypted writes to the lower file.
However, this is only a potential problem in filesystems (FUSE, NFS,
CIFS, CEPH, 9p) that eCryptfs isn't known to support today.
https://bugs.launchpad.net/ecryptfs/+bug/641703
Reported-by: Kevin Buhr
Cc: stable <stable@kernel.org>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
2e21b3f1 Thu Sep 23 02:35:04 CDT 2010 Tyler Hicks <tyhicks@linux.vnet.ibm.com> eCryptfs: Clear LOOKUP_OPEN flag when creating lower file
eCryptfs was passing the LOOKUP_OPEN flag through to the lower file
system, even though ecryptfs_create() doesn't support the flag. A valid
filp for the lower filesystem could be returned in the nameidata if the
lower file system's create() function supported LOOKUP_OPEN, possibly
resulting in unencrypted writes to the lower file.
However, this is only a potential problem in filesystems (FUSE, NFS,
CIFS, CEPH, 9p) that eCryptfs isn't known to support today.
https://bugs.launchpad.net/ecryptfs/+bug/641703
Reported-by: Kevin Buhr
Cc: stable <stable@kernel.org>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
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