Red Hat Security Advisory: kernel security update

CVE-2026-23097 — kernel: Linux kernel: Denial of Service due to a deadlock in hugetlb folio migration CVE-2026-23139 — kernel: netfilter: nf_conncount: update last_gc only when GC has been performed CVE-2026-23243 — kernel: Linux kernel: Denial of service and memory corruption in RDMA umad CVE-2026-23401 — kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling CVE-2026-31402 — kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache CVE-2026-31532 — kernel: can: raw: fix ro->uniq use-after-free in raw_rcv()