Important: kernel security, bug fix, and enhancement update (Oracle Linux 10)

[6.12.0-211.47.1]
- Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985782]
- Disable UKI signing [Orabug: 36571828]
- 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 <= 15.3-1.0.5]
- Remove upstream reference during boot (Kevin Lyons) [Orabug: 34729535]
- Add Oracle Linux IMA certificates
- Update module name for cryptographic module [Orabug: 37400433]
- Clean git history at setup stage

[6.12.0-211.47.1]
- scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (Maurizio Lombardi) [RHEL-213198] {CVE-2026-63887}
- perf/aux: Fix page UAF in map_range() (CKI Backport Bot) [RHEL-218475] {CVE-2026-64300}
- net/sched: act_api: use RCU with deferred freeing for action lifecycle (CKI Backport Bot) [RHEL-218188] {CVE-2026-53264}
- KVM: SVM: make svm_flush_tlb_gva do a full asid flush if NPT enabled (Paolo Bonzini) [RHEL-214436]
- KVM: x86: hyper-v: Validate all GVAs during PV TLB flush (Paolo Bonzini) [RHEL-214436]
- KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level (Aidan Wallace) [RHEL-213472] {CVE-2026-63807}
- KVM: nVMX: Hide shadow VMCS right after VMCLEAR (Aidan Wallace) [RHEL-213472]
- KVM: x86: Check for invalid/obsolete root *after* making MMU pages available (Aidan Wallace) [RHEL-213472]
- KVM: nVMX: Put vmcs12 pages if nested VM-Enter fails due to invalid guest state (Aidan Wallace) [RHEL-213472]
- accel/ivpu: Fix signed integer truncation in IPC receive (CKI Backport Bot) [RHEL-190054] {CVE-2026-53202}
- netfilter: nf_conntrack_expect: store master_tuple in expectation (Florian Westphal) [RHEL-185311]
- selftests: netfilter: nft_concat_range.sh: add check for flush+reload bug (Florian Westphal) [RHEL-185311]
- selftests: netfilter: nft_concat_range.sh: add check for overlap detection bug (Florian Westphal) [RHEL-185311]
- selftests: netfilter: nft_concat_range.sh: add check for double-create bug (Florian Westphal) [RHEL-185311]
- netfilter: ctnetlink: use nf_ct_exp_net() in expectation dump (Florian Westphal) [RHEL-185311]
- netfilter: nf_dup_netdev: add nf_dev_xmit_recursion*() helpers and use them (Florian Westphal) [RHEL-185311]
- netfilter: nft_fib: fix stale stack leak via the OIFNAME register (Florian Westphal) [RHEL-185311]
- netfilter: nft_exthdr: fix register tracking for F_PRESENT flag (Florian Westphal) [RHEL-185311]
- netfilter: nf_log: validate MAC header was set before dumping it (Florian Westphal) [RHEL-185311]
- netfilter: nf_conntrack: destroy stale expectfn expectations on unregister (Florian Westphal) [RHEL-185311]
- netfilter: revalidate bridge ports (Florian Westphal) [RHEL-185311]
- netfilter: nft_ct: bail out on template ct in get eval (Florian Westphal) [RHEL-185311]
- netfilter: nft_tunnel: fix use-after-free on object destroy (Florian Westphal) [RHEL-185311]
- netfilter: conntrack_irc: fix possible out-of-bounds read (Florian Westphal) [RHEL-185311]
- netfilter: synproxy: add mutex to guard hook reference counting (Florian Westphal) [RHEL-185311]
- netfilter: disable payload mangling in userns (Florian Westphal) [RHEL-185311]
- netfilter: nf_conntrack_gre: fix gre keymap list corruption (Florian Westphal) [RHEL-185311]
- netfilter: synproxy: refresh tcphdr after skb_ensure_writable (Florian Westphal) [RHEL-185311]
- netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check (Florian Westphal) [RHEL-185311]
- netfilter: nf_queue: hold bridge skb->dev while queued (Florian Westphal) [RHEL-185311]
- netfilter: br_netfilter: Reallocate headroom if necessary in neigh_hh_bridge() (Florian Westphal) [RHEL-185311]
- netfilter: ip6t_hbh: reject oversized option lists (Florian Westphal) [RHEL-185311]
- netfilter: nf_conntrack_helper: fix possible null deref during error log (Florian Westphal) [RHEL-185311]
- netfilter: nft_ct: fix missing expect put in obj eval (Florian Westphal) [RHEL-185311]
- netfilter: nf_conntrack_sip: get helper before allocating expectation (Florian Westphal) [RHEL-185311]
- netfilter: ctnetlink: check tuple and mask in expectations created via nfqueue (Florian Westphal) [RHEL-185311]
- netfilter: nf_conntrack_expect: restore helper propagation via expectation (Florian Westphal) [RHEL-185311]
- netfilter: nf_tables: fix netdev hook allocation memleak with dormant tables (Florian Westphal) [RHEL-185311]
- netfilter: xt_CT: fix usersize for v1 and v2 revision (Florian Westphal) [RHEL-185311]
- netfilter: nft_compat: run xt_check_hooks_{match,target}() from .validate (Florian Westphal) [RHEL-185311]
- netfilter: x_tables: add .check_hooks to matches and targets (Florian Westphal) [RHEL-185311]
- netfilter: xtables: restrict several matches to inet family (Florian Westphal) [RHEL-185311]
- netfilter: nft_fwd_netdev: use recursion counter in neigh egress path (Florian Westphal) [RHEL-185311]
- netfilter: nft_fwd_netdev: add device and headroom validate with neigh forwarding (Florian Westphal) [RHEL-185311]
- netfilter: replace skb_try_make_writable() by skb_ensure_writable() (Florian Westphal) [RHEL-185311]
- netfilter: nf_conntrack_sip: don't use simple_strtoul (Florian Westphal) [RHEL-185311]
- netfilter: xt_policy: fix strict mode inbound policy matching (Florian Westphal) [RHEL-185311]
- netfilter: nf_tables: add hook transactions for device deletions (Florian Westphal) [RHEL-185311]
- netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase (Florian Westphal) [RHEL-185311]
- rculist: add list_splice_rcu() for private lists (Florian Westphal) [RHEL-185311]
- netfilter: nf_tables: use list_del_rcu for netlink hooks (Florian Westphal) [RHEL-185311] {CVE-2026-46324}
- netfilter: nfnetlink_osf: fix potential NULL dereference in ttl check (Florian Westphal) [RHEL-185311]
- netfilter: nfnetlink_osf