[El-errata] ELSA-2022-9348 Important: Oracle Linux 7 Unbreakable Enterprise kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2022-9348

http://linux.oracle.com/errata/ELSA-2022-9348.html

The following updated rpms for Oracle Linux 7 have been uploaded to the Unbreakable Linux Network:

x86_64:
kernel-uek-doc-4.1.12-124.62.3.el7uek.noarch.rpm
kernel-uek-firmware-4.1.12-124.62.3.el7uek.noarch.rpm
kernel-uek-4.1.12-124.62.3.el7uek.x86_64.rpm
kernel-uek-devel-4.1.12-124.62.3.el7uek.x86_64.rpm
kernel-uek-debug-4.1.12-124.62.3.el7uek.x86_64.rpm
kernel-uek-debug-devel-4.1.12-124.62.3.el7uek.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/kernel-uek-4.1.12-124.62.3.el7uek.src.rpm

Related CVEs:

CVE-2021-0920
CVE-2021-3573
CVE-2021-4002
CVE-2021-4149
CVE-2021-4157
CVE-2021-4203
CVE-2021-45095
CVE-2021-45868
CVE-2022-0617
CVE-2022-1016




Description of changes:

[4.1.12-124.62.3.el7uek]
- 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.el7uek]
- 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.el7uek]
- 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}