Description: media: dvb-core: Fix UAF due to refcount races at releasing
References:
 https://lore.kernel.org/all/20220908132754.30532-1-tiwai@suse.de/
 https://www.openwall.com/lists/oss-security/2022/09/23/4
Notes:
 carnil> Fixed as well in 6.1.4 for 6.1.y.
Bugs:
upstream: released (6.2-rc1) [fd3d91ab1c6ab0628fe642dd570b56302c30a792]
5.10-upstream-stable: released (5.10.163) [3df07728abde249e2d3f47cf22f134cb4d4f5fb1]
4.19-upstream-stable: released (4.19.270) [8f537a1282cd877f132643ef8f9e9d6032f90025]
sid: released (6.1.4-1)
5.10-bullseye-security: released (5.10.162-1) [bugfix/all/media-dvb-core-Fix-UAF-due-to-refcount-races-at-rele.patch]
4.19-buster-security: released (4.19.282-1)