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

[4.18.0-193.13.2_2.OL8]
- Oracle Linux certificates (Alexey Petrenko)
- 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]

[4.18.0-193.13.2_2]
- Rebuild to get kernel image properly signed (Bruno Meneguele)

[4.18.0-193.13.1_2]
- [x86] x86/efi: Allocate e820 buffer before calling efi_exit_boot_service (Lenny Szubowicz) [1846180 1824005]

[4.18.0-193.12.1_2]
- [net] openvswitch: simplify the ovs_dp_cmd_new (Eelco Chaudron) [1851235 1819202]
- [net] openvswitch: fix possible memleak on destroy flow-table (Eelco Chaudron) [1851235 1819202]
- [net] openvswitch: add likely in flow_lookup (Eelco Chaudron) [1851235 1819202]
- [net] openvswitch: simplify the flow_hash (Eelco Chaudron) [1851235 1819202]
- [net] openvswitch: optimize flow-mask looking up (Eelco Chaudron) [1851235 1819202]
- [net] openvswitch: optimize flow mask cache hash collision (Eelco Chaudron) [1851235 1819202]
- [net] openvswitch: shrink the mask array if necessary (Eelco Chaudron) [1851235 1819202]
- [net] openvswitch: convert mask list in mask array (Eelco Chaudron) [1851235 1819202]
- [net] openvswitch: add flow-mask cache for performance (Eelco Chaudron) [1851235 1819202]
- [net] netfilter: nf_tables: use-after-free in dynamic operations (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: add missing ->release_ops() in error path of newrule() (Phil Sutter) [1845164 1757933]
- [net] netfilter: nft_compat: use .release_ops and remove list of extension (Phil Sutter) [1845164 1757933]
- [vfio] vfio/pci: Fix SR-IOV VF handling with MMIO blocking (Alex Williamson) [1837309 1837310] {CVE-2020-12888}
- [pci] PCI: pciehp: Fix MSI interrupt race (Myron Stowe) [1852045 1779610]
- [kernel] smp: Allow smp_call_function_single_async() to insert locked csd (Peter Xu) [1851406 1830014]
- [x86] kvm: Clean up host's steal time structure (Jon Maloy) [1795128 1813987] {CVE-2019-3016}
- [x86] kvm: Make sure KVM_VCPU_FLUSH_TLB flag is not missed (Jon Maloy) [1795128 1813987] {CVE-2019-3016}
- [virt] x86/kvm: Cache gfn to pfn translation (Jon Maloy) [1795128 1813987] {CVE-2019-3016}
- [virt] x86/kvm: Introduce kvm_(un)map_gfn() (Jon Maloy) [1795128 1813987] {CVE-2019-3016}
- [x86] kvm: Be careful not to clear KVM_VCPU_FLUSH_TLB bit (Jon Maloy) [1795128 1813987] {CVE-2019-3016}

[4.18.0-193.11.1_2]
- [net] netfilter: conntrack: fix infinite loop on rmmod (Florian Westphal) [1851005 1832381]
- [net] netfilter: conntrack: allow insertion of clashing entries (Florian Westphal) [1851003 1821404]
- [net] netfilter: conntrack: split resolve_clash function (Florian Westphal) [1851003 1821404]
- [net] netfilter: conntrack: place confirm-bit setting in a helper (Florian Westphal) [1851003 1821404]
- [net] netfilter: never get/set skb->tstamp (Florian Westphal) [1851003 1821404]
- [net] netfilter: conntrack: remove two args from resolve_clash (Florian Westphal) [1851003 1821404]
- [net] netfilter: conntrack: tell compiler to not inline nf_ct_resolve_clash (Florian Westphal) [1851003 1821404]
- [x86] mm: Fix mremap not considering huge pmd devmap (Rafael Aquini) [1843440 1843441] {CVE-2020-10757}
- [x86] x86/vector: Remove warning on managed interrupt migration (Peter Xu) [1848545 1812331]
- [s390] s390/cio: fix virtio-ccw DMA without PV (Philipp Rudo) [1842620 1814787]

[4.18.0-193.10.1_2]
- [misc] dma-mapping: zero memory returned from dma_alloc_* (Philipp Rudo) [1847453 1788928]
- [nvme] nvme-multipath: fix crash in nvme_mpath_clear_ctrl_paths (Gopal Tiwari) [1846405 1781927]
- [net] netfilter: nf_tables: fix infinite loop when expr is not available (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: autoload modules from the abort path (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: remove WARN and add NLA_STRING upper limits (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: store transaction list locally while requesting module (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: use-after-free in failing rule with bound set (Phil Sutter) [1845164 1757933]
- [net] netfilter: nft_meta: skip EAGAIN if nft_meta_bridge is not a module (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: force module load in case select_ops() returns -EAGAIN (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: add nft_expr_type_request_module() (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: bogus EBUSY in helper removal from transaction (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: fix set double-free in abort path (Phil Sutter) [1845164 1757933]
- [net] netfilter: nft_compat: don't use refcount_inc on newly allocated entry (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: unbind set in rule from commit path (Phil Sutter) [1845164 1757933]
- [net] netfilter: nft_compat: destroy function must not have side effects (Phil Sutter) [1845164 1757933]
- [net] netfilter: nft_compat: make lists per netns (Phil Sutter) [1845164 1757933]
- [net] netfilter: nft_compat: use refcnt_t type for nft_xt reference count (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: fix suspicious RCU usage in nft_chain_stats_replace() (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: asynchronous release (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: split set destruction in deactivate and destroy phase (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: flow event notifier must use transaction mutex (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: use dedicated mutex to guard transactions (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: avoid global info storage (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: take module reference when starting a batch (Phil Sutter) [1845164 1757933]
- [net] netfilter: nf_tables: make valid_genid callback mandatory (Phil Sutter) [1845164 1757933]
- [net] ne