In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix UAF on iso_sock_timeout conn->sk maybe have been unlinked/freed while waiting for iso_conn_lock so this checks if the conn->sk is still valid by checking if it part of iso_sk_list.
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2024:11486 https://access.redhat.com/errata/RHSA-2024:11486