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(parent: b609742) | patch
xen/blkfront: harden blkfront against event channel storms
authorJuergen Gross <jgross@suse.com>
Thu, 16 Dec 2021 07:24:08 +0000 (08:24 +0100)
committerJuergen Gross <jgross@suse.com>
Thu, 16 Dec 2021 07:24:08 +0000 (08:24 +0100)
commit6c2c1df74e060166aa7db42389e29846d3f67274
treecac90aae17728c555b54aa0c279688aab0832ca9tree | snapshot
parentb609742427b6f4f8dd3b27d299b21ef17581415ecommit | diff
xen/blkfront: harden blkfront against event channel storms

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>
drivers/block/xen-blkfront.c diff | blob | history
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