[ELSA-2020-1769] kernel security, bug fix, and enhancement update

[4.18.0-193.el8.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.el8]
- [kvm] KVM: PPC: Book3S HV: Use __gfn_to_pfn_memslot in HPT page fault handler
(Sam Bobroff) [1815491]
- [net] tcp: also NULL skb->dev when copy was needed (Florian Westphal) [1775961
]
- [net] tcp: ensure skb->dev is NULL before leaving TCP stack (Florian Westphal)
[1775961]

[4.18.0-192.el8]
- [drm] drm/bochs: downgrade pci_request_region failure from error to warning (D
ave Airlie) [1804735]
- [drm] drm/bochs: deinit bugfix (Dave Airlie) [1804735]
- [fs] gfs2: fix O_EXCL|O_CREAT handling on cold dcache (Andrew Price) [1811787]
- [net] esp: remove the skb from the chain when its enqueued in cryptd_wq (Xin
Long) [1807909]
- [powerpc] powerpc/nvdimm: set target_node properly (Diego Domingos) [1815038]

[4.18.0-191.el8]
- [netdrv] net/mlx5e: Dont clear the whole vf config when switching modes (moha
mad meib) [1814350]
- [fs] fuse: fix stack use after return (Miklos Szeredi) [1814666]

[4.18.0-190.el8]
- [powerpc] powerpc/pseries: Avoid NULL pointer dereference when drmem is unavai
lable (David Hildenbrand) [1812874]
- [x86] kvm/svm: PKU not currently supported (Wei Huang) [1789159]
- [x86] Remove the unsupported check for Cooper Lake (David Arcari) [1813921]

[4.18.0-189.el8]
- [netdrv] net/mlx5e: Show/set Rx network flow classification rules on ul rep (A
laa Hleihel) [1795156 1794280]
- [netdrv] net/mlx5e: Init ethtool steering for representors (Alaa Hleihel) [179
5156 1794280]
- [netdrv] net/mlx5e: Show/set Rx flow indir table and RSS hash key on ul rep (A
laa Hleihel) [1795156 1794280]
- [netdrv] net/mlx5e: Introduce root ft concept for representors netdevs (Alaa H
leihel) [1795156 1794280]
- [netdrv] net/mlx5: E-Switch, Use vport metadata matching only when mandatory (
Alaa Hleihel) [1795156]
- [nvme] nvme: log additional message for controller status (David Milburn) [175
2952]