CLSA-2024-1710945846 Fix of 9 CVEs

CVE-url: https://ubuntu.com/security/CVE-2023-52449 - mtd: Fix gluebi NULL pointer dereference caused by ftl notifier Bionic update: upstream stable patchset 2018-08-29 LP: 1789666 // CVE- url: https://ubuntu.com/security/CVE-2022-20567 - l2tp: fix refcount leakage on PPPoL2TP sockets Bionic upda...