Description: media: dvb-core: Fix use-after-free due to race condition occurring in dvb_net
References:
 https://lore.kernel.org/linux-media/20221115131822.6640-1-imv4bel@gmail.com/
 https://lore.kernel.org/linux-media/20221115131822.6640-3-imv4bel@gmail.com/
Notes:
 carnil> Negligible security impact, would need physical access to
 carnil> "exploit"
Bugs:
upstream: released (6.4-rc3) [4172385b0c9ac366dcab78eda48c26814b87ed1a]
6.1-upstream-stable: released (6.1.33) [93b5dfebcb1821dde466e29404fcf1fb919f4c72]
5.10-upstream-stable: released (5.10.183) [2ea7d26ed851db7176e4bfa8174c8a1380255bbe]
4.19-upstream-stable: released (4.19.285) [7bb9c6e05efcecb15b0354d574efbc36ca321d75]
sid: released (6.3.7-1)
6.1-bookworm-security: released (6.1.37-1)
5.10-bullseye-security: released (5.10.191-1)
4.19-buster-security: released (4.19.289-1)