diff options
| author | Juergen Gross <jgross@suse.com> | 2021-11-29 14:00:21 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-08 08:44:06 +0100 |
| commit | 5e8cdf4cce32ee5c2df08b9fd1f3e427f5fcefcb (patch) | |
| tree | 8b8f6e4d1270d594adb5c030b3bb1116b6d28f93 /drivers/net/xen-netback/interface.c | |
| parent | 7225148b877a56a12c4b41fd7b70930a5d457b53 (diff) | |
xen/blkfront: don't take local copy of a request from the ring page
commit 8f5a695d99000fc3aa73934d7ced33cfc64dcdab upstream.
In order to avoid a malicious backend being able to influence the local
copy of a request build the request locally first and then copy it to
the ring page instead of doing it the other way round as today.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Link: https://lore.kernel.org/r/20210730103854.12681-3-jgross@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/xen-netback/interface.c')
0 files changed, 0 insertions, 0 deletions