Description: use-after-free in nouveau kernel module
References:
 https://lore.kernel.org/dri-devel/20201103194912.184413-2-jcline@redhat.com/
 https://lore.kernel.org/dri-devel/20201103194912.184413-3-jcline@redhat.com/
 https://lore.kernel.org/dri-devel/20201103194912.184413-4-jcline@redhat.com/
 https://bugzilla.redhat.com/show_bug.cgi?id=1901726
Notes:
 bwh> I don't see how this is a security issue, though it seems like a
 bwh> worthwhile fix anyway.
Bugs:
upstream: needed
5.10-upstream-stable: needed
4.19-upstream-stable:
4.9-upstream-stable:
sid: needed
5.10-bullseye-security: needed
4.19-buster-security:
4.9-stretch-security: