Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-38234: sched/rt: Fix race in push_rt_task (bsc#1246057). - CVE-2025-68818: scsi: Revert 'scsi: qla2xxx: Perform lockless command completion in abort path' (bsc#1256675). - CVE-2026-23103: ipvlan: Make the addrs_lock be per port (bsc#1257773). - CVE-2026-23243: RDMA/umad: Reject negative data_len in ib_umad_write (bsc#1259797). - CVE-2026-23272: netfilter: nf_tables: unconditionally bump set->nelems before insertion (bsc#1260009). - CVE-2026-23274: netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer labels (bsc#1260005). - CVE-2026-23317: drm/vmwgfx: Return the correct value in vmw_translate_ptr functions (bsc#1260562). The following non-security bugs were fixed: - PCI/ACS: Fix 'pci=config_acs=' parameter (git-fixes). - PCI: Fix lock symmetry in pci_slot_unlock() (git-fixes). - PCI: Fix pci_slot_trylock() error handling (git-fixes). - PCI: dwc: ep: Return -ENOMEM for allocation failures (git-fixes). - PCI: tegra194: Fix duplicate PLL disable in pex_ep_event_pex_rst_assert() (git-fixes). - nvme-fc: use ctrl state getter (git-fixes bsc#1215492). - nvme-pci: fix queue unquiesce check on slot_reset (git-fixes). - nvme-pci: skip nvme_write_sq_db on empty rqlist (git-fixes). - x86/platform/uv: Handle deconfigured sockets (bsc#1260347).