Description: Use-after-free in irda_setsockopt()
References:
 https://lists.ubuntu.com/archives/kernel-team/2018-September/095137.html
Notes:
 irda removed in 4.17-rc1 with d64c2a76123f0300b08d0557ad56e9d599872a36
Bugs:
upstream: released (4.17-rc1) [d64c2a76123f0300b08d0557ad56e9d599872a36]
4.9-upstream-stable: released (4.9.127) [18d94895f505d6eef2da8868e87a403cde1d9ef0]
3.16-upstream-stable: released (3.16.59) [irda-only-insert-new-objects-into-the-global-database-via-setsockopt.patch]
sid: released (4.17.3-1)
4.9-stretch-security: released (4.9.110-3+deb9u5) [bugfix/all/irda-Only-insert-new-objects-into-the-global-databas.patch]
3.16-jessie-security: released (3.16.59-1)