Red Hat Security Advisory: kernel security update

CVE-2023-53034 — kernel: Linux kernel: Information disclosure and denial of service in ntb_hw_switchtec module CVE-2025-40064 — kernel: smc: Fix use-after-free in __pnet_find_base_ndev() CVE-2025-40304 — kernel: Linux kernel: Out-of-bounds write in fbdev can lead to privilege escalation, information disclosure, or denial of service. CVE-2025-40322 — kernel: Linux kernel: Information disclosure and denial of service via out-of-bounds read in font glyph handling CVE-2025-68349 — kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid CVE-2025-68811 — kernel: svcrdma: use rc_pageoff for memcpy byte offset CVE-2026-22998 — kernel: nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec