Important: kernel security update (Oracle Linux 8)

[4.18.0-553.75.1_10.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 <= 15.3-1.0.3
- Remove upstream reference during boot (Kevin Lyons) [Orabug: 34750652]
- Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985772]

[4.18.0-553.75.1_10]
- Revert 'module, async: async_synchronize_full() on module init iff async is used' (Herton R. Krzesinski) [RHEL-99812]
- mm/page_alloc: make sure free_pcppages_bulk() bails when given count < 0 (Rafael Aquini) [RHEL-85453]
- sch_cbq: make cbq_qlen_notify() idempotent (Ivan Vecera) [RHEL-93376]
- net/sched: ets: use old 'nbands' while purging unused classes (Ivan Vecera) [RHEL-107541] {CVE-2025-38350}
- net_sched: sch_ets: implement lockless ets_dump() (Ivan Vecera) [RHEL-107541] {CVE-2025-38350}
- net/sched: Always pass notifications when child class becomes empty (Ivan Vecera) [RHEL-93376] {CVE-2025-38350}
- net_sched: ets: fix a race in ets_qdisc_change() (Ivan Vecera) [RHEL-107541] {CVE-2025-38107}
- sch_htb: make htb_deactivate() idempotent (Ivan Vecera) [RHEL-93376] {CVE-2025-37953}
- codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog() (Ivan Vecera) [RHEL-93376] {CVE-2025-37798}
- sch_qfq: make qfq_qlen_notify() idempotent (Ivan Vecera) [RHEL-93376] {CVE-2025-38350}
- sch_drr: make drr_qlen_notify() idempotent (Ivan Vecera) [RHEL-93376] {CVE-2025-38350}
- sch_htb: make htb_qlen_notify() idempotent (Ivan Vecera) [RHEL-93376] {CVE-2025-37932}
- idpf: convert control queue mutex to a spinlock (CKI Backport Bot) [RHEL-106049] {CVE-2025-38392}
- drm/framebuffer: Acquire internal references on GEM handles (Anusha Srivatsa) [RHEL-106684] {CVE-2025-38449}
- drm/gem: Acquire references on GEM handles for framebuffers (Anusha Srivatsa) [RHEL-106684] {CVE-2025-38449}
- tracing: Disable interrupt or preemption before acquiring arch_spinlock_t (partial) (Luis Claudio R. Goncalves) [RHEL-95713]
- vmxnet3: disable rx data ring on dma allocation failure (Michal Schmidt) [RHEL-106160]
- xfs: fix error returns from xfs_bmapi_write (Carlos Maiolino) [RHEL-93655]
- xfs: handle nimaps=0 from xfs_bmapi_write in xfs_alloc_file_space (Carlos Maiolino) [RHEL-93655]
- net: usb: smsc75xx: Move packet length check to prevent kernel panic in skb_pull (CKI Backport Bot) [RHEL-112239] {CVE-2023-53125}
- net: usb: smsc75xx: Limit packet length to skb->len (CKI Backport Bot) [RHEL-112239] {CVE-2023-53125}
- PCI: Support BAR sizes up to 8TB (Myron Stowe) [RHEL-106671]