Description: UAF in bluetooth
References:
 https://www.openwall.com/lists/oss-security/2021/09/15/4
 https://bugzilla.suse.com/show_bug.cgi?id=1190023
 https://lore.kernel.org/lkml/20210714031733.1395549-1-bobo.shaobowang@huawei.com/
Notes:
 carnil> With the presence of 3af70b39fa2d ("Bluetooth: check for zapped
 carnil> sk before connecting") in 5.13-rc1 (and 5.10.38, 4.19.191) this
 carnil> bug is not easy to trigger itself.
Bugs:
upstream: released (5.16-rc1) [1bff51ea59a9afb67d2dd78518ab0582a54a472c]
5.10-upstream-stable: released (5.10.80) [c10465f6d6208db2e45a6dac1db312b9589b2583]
4.19-upstream-stable: released (4.19.218) [72bb30165337b7bce77578ad151fbfab6c8e693c]
4.9-upstream-stable: released (4.9.291) [d19ea7da0eeb61be28ec05d8b8bddec3dde71610]
sid: released (5.15.3-1)
5.10-bullseye-security: released (5.10.84-1)
4.19-buster-security: released (4.19.232-1)
4.9-stretch-security: released (4.9.303-1)