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| author | Juergen Gross <jgross@suse.com> | 2021-12-16 08:24:08 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-22 09:04:19 +0100 |
| commit | 3e04b9e6aa7d77287e70a400be83060d2b7b2cfe (patch) | |
| tree | cb023f866bf7c398147cfc088b46b88710d66edf /mm/backing-dev.c | |
| parent | 57871aeb2a23cff694567e17fd8903010195b3fe (diff) | |
xen/blkfront: harden blkfront against event channel storms
commit 0fd08a34e8e3b67ec9bd8287ac0facf8374b844a upstream.
The Xen blkfront driver is still vulnerable for an attack via excessive
number of events sent by the backend. Fix that by using lateeoi event
channels.
This is part of XSA-391
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/backing-dev.c')
0 files changed, 0 insertions, 0 deletions