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(parent: 392e93f) | 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)
commit2f08454d4914fed2936175c1eedec5d4fcb4b061
treecac90aae17728c555b54aa0c279688aab0832ca9tree | snapshot
parent392e93f261befb7f3564d072ab8457ee90d81f91commit | 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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