Description: xen/events: close evtchn after mapping cleanup
References:
Notes:
 carnil> Introduced in d46a78b05c0e ("xen: implement pirq type event channels").
 carnil> Vulnerable versions: 2.6.37-rc1.
Bugs:
upstream: released (6.8-rc5) [fa765c4b4aed2d64266b694520ecb025c862c5a9]
6.8-upstream-stable: N/A "Fixed before branching point"
6.7-upstream-stable: released (6.7.6) [9be71aa12afa91dfe457b3fb4a444c42b1ee036b]
6.6-upstream-stable: released (6.6.19) [20980195ec8d2e41653800c45c8c367fa1b1f2b4]
6.1-upstream-stable: released (6.1.81) [585a344af6bcac222608a158fc2830ff02712af5]
5.10-upstream-stable: released (5.10.215) [0fc88aeb2e32b76db3fe6a624b8333dbe621b8fd]
4.19-upstream-stable: needed
sid: released (6.7.7-1)
6.1-bookworm-security: released (6.1.82-1)
5.10-bullseye-security: needed
4.19-buster-security: needed