Red Hat Security Advisory: kernel-rt security update

CVE-2025-38248 — kernel: Linux kernel:A use-after-free in bridge multicast in br_multicast_port_ctx_init 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-2026-23144 — 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-2026-23204 — kernel: net/sched: cls_u32: use skb_header_pointer_careful() CVE-2026-23209 — kernel: macvlan: fix error recovery in macvlan_common_newlink() CVE-2026-23231 — kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain()