[ELSA-2022-9348] Unbreakable Enterprise kernel security update

[4.1.12-124.62.3]
- fget: check that the fd still exists after getting a ref to it (Linus Torvalds) [Orabug: 33679806] {CVE-2021-0920}
- fs: add fget_many() and fput_many() (Jens Axboe) [Orabug: 33679806]
- af_unix: fix garbage collect vs MSG_PEEK (Miklos Szeredi) [Orabug: 33679806] {CVE-2021-0920}
- net: split out functions related to registering inflight socket files (Jens Axboe) [Orabug: 33679806]

[4.1.12-124.62.2]
- netfilter: nf_tables: initialize registers in nft_do_chain() (Pablo Neira Ayuso) [Orabug: 34012926] {CVE-2022-1016}
- pNFS/flexfiles: fix incorrect size check in decode_nfs_fh() (Nikola Livic) [Orabug: 34020970] {CVE-2021-4157}

[4.1.12-124.62.1]
- Bluetooth: use correct lock to prevent UAF of hdev object (Lin Ma) [Orabug: 33014054] {CVE-2021-3573}
- hugetlbfs: flush TLBs correctly after huge_pmd_unshare (Nadav Amit) [Orabug: 33617221] {CVE-2021-4002}
- udf: Restore i_lenAlloc when inode expansion fails (Jan Kara) [Orabug: 33870269] {CVE-2022-0617}
- udf: Fix NULL ptr deref when converting from inline format (Jan Kara) [Orabug: 33870269] {CVE-2022-0617}
- phonet: refcount leak in pep_sock_accep (Hangyu Hua) [Orabug: 33962762] {CVE-2021-45095}
- btrfs: unlock newly allocated extent buffer after error (Qu Wenruo) [Orabug: 33997139] {CVE-2021-4149}
- quota: correct error number in free_dqentry() (Zhang Yi) [Orabug: 33997256] {CVE-2021-45868}
- quota: check block number when reading the block in quota file (Zhang Yi) [Orabug: 33997256] {CVE-2021-45868}
- af_unix: fix races in sk_peer_pid and sk_peer_cred accesses (Eric Dumazet) [Orabug: 34006847] {CVE-2021-4203}