Important: kernel security and bug fix update (Oracle Linux 8)

[4.18.0-348.12.2_5.OL8]
- Update Oracle Linux certificates (Kevin Lyons)
- Disable signing for aarch64 (Ilya Okomin)
- Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list (olkmod_signing_key.pem) [Orabug: 29539237]
- Update x509.genkey [Orabug: 24817676]
- Conflict with shim-ia32 and shim-x64 <= 15-11.0.5

[4.18.0-348.12.2_5]
- vfs: Out-of-bounds write of heap buffer in fs_context.c (Frantisek Hrbata) [2040585 2040586] {CVE-2022-0185}
- xfs: map unwritten blocks in XFS_IOC_{ALLOC,FREE}SP just like fallocate (Bruno Meneguele) [2034864 2034865] {CVE-2021-4155}

[4.18.0-348.12.1_5]
- tcp: don't free a FIN sk_buff in tcp_remove_empty_skb() (Guillaume Nault) [2021574 2016210]
- kernel.spec: Add support to use vmlinux.h (Jiri Olsa) [2031053 1989087]
- spec: Add vmlinux.h to kernel-devel package (Jiri Olsa) [2031053 1989087]
- x86/mce: Avoid infinite loop for copy from user recovery (Prarit Bhargava) [2008789 1999550]
- x86/mce: Rename kill_it to kill_current_task (Prarit Bhargava) [2008789 1999550]
- x86/mce: Recover from poison found while copying from user space (Prarit Bhargava) [2008789 1999550]
- x86/mce: Delay clearing IA32_MCG_STATUS to the end of do_machine_check() (Prarit Bhargava) [2008789 1999550]
- x86/mce: Send #MC singal from task work (Prarit Bhargava) [2008789 1999550]

[4.18.0-348.11.1_5]
- blk-mq: avoid to iterate over stale request (Ming Lei) [2034396 1997338]
- rcu: Tighten rcu_advance_cbs_nowake() checks (Daniel Vacek) [2032579 2013408]

[4.18.0-348.10.1_5]
- selftests: add a test case for mirred egress to ingress (Xin Long) [2024411 1983894]
- net: sched: act_mirred: drop dst for the direction from egress to ingress (Xin Long) [2024411 1983894]

[4.18.0-348.9.1_5]
- ixgbe: Revert 'bpf, devmap: Move drop error path to devmap for XDP_REDIRECT' (Ken Cox) [2029845 2024240]
- i40e: Revert 'bpf, devmap: Move drop error path to devmap for XDP_REDIRECT' (Stefan Assmann) [2029845 2024225]
- rcu/nocb: Perform deferred wake up before last idle's need_resched() check (Waiman Long) [2029449 2008340]

[4.18.0-348.8.1_5]
- ice: Fix VF true promiscuous mode (Jonathan Toppins) [2026698 1970643]
- ice: Remove toggling of antispoof for VF trusted promiscuous mode (Jonathan Toppins) [2026698 1970643]
- ice: Fix replacing VF hardware MAC to existing MAC filter (Jonathan Toppins) [2026698 1970643]
- ice: Fix not stopping Tx queues for VFs (Jonathan Toppins) [2026698 1970643]
- ice: Fix race conditions between virtchnl handling and VF ndo ops (Jonathan Toppins) [2026698 1970643]
- net/netif_receive_skb_core: Use migrate_disable() (Luis Claudio R. Goncalves) [2027689 2024168]
- crypto: jitter - consider 32 LSB for APT (Herbert Xu) [2029365 1994390]
- xfs: fix I_DONTCACHE (Carlos Maiolino) [2028534 2024969]