Description: use-after-free in io_uring poll events due to race condition
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=2164024
Notes:
 carnil> As 5.10.y got a rebase to the io_uring code base for 5.15.y
 carnil> 5.10.y needs to be checked explicitly. The issue was fixed as
 carnil> well in 5.15.82.
 bwh> The io_uring update in 5.10.162 is based on 5.15.85, so this issue
 bwh> was never present in 5.10.y.
Bugs:
upstream: released (6.1-rc7) [12ad3d2d6c5b0131a6052de91360849e3e154846, a26a35e9019fd70bf3cf647dcfdae87abc7bacea]
5.10-upstream-stable: N/A "Vulnerability never present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.0.12-1)
5.10-bullseye-security: N/A "Vulnerability never present"
4.19-buster-security: N/A "Vulnerable code not present"