Red Hat Security Advisory: kernel security update

CVE-2025-39981 — kernel: Bluetooth: MGMT: Fix possible UAFs CVE-2025-68800 — kernel: mlxsw: spectrum_mr: Fix use-after-free when updating multicast route stats CVE-2026-23066 — kernel: Linux kernel: Denial of Service via unsafe requeue in rxrpc_recvmsg CVE-2026-23097 — kernel: Linux kernel: Denial of Service due to a deadlock in hugetlb folio migration CVE-2026-23111 — kernel: Kernel: Privilege escalation or denial of service in nf_tables via inverted element activity check CVE-2026-23144 — kernel: Linux kernel: Local denial of service and memory leak in DAMON sysfs via setup failure CVE-2026-23171 — kernel: Linux kernel: Use-after-free in bonding module can cause system crash or arbitrary code execution CVE-2026-23193 — kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count() CVE-2026-23204 — kernel: net/sched: cls_u32: use skb_header_pointer_careful() CVE-2026-23231 — kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain() CVE-2026-31402 — kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache