Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: net: bridge: use a stable FDB dst snapshot in RCU readers (CVE-2026-46086) * kernel: ipv6: fix possible UAF in icmpv6_rcv() (CVE-2026-53006) * kernel: tipc: fix double-free in tipc_buf_append() (CVE-2026-52993) * kernel: iommu/vt-d: Avoid NULL pointer dereference or refcount corruption (CVE-2026-53281) Bug Fix(es) and Enhancement(s): * rxrpc: Address CVE-2026-43500 [almalinux-10.2.z] (JIRA:AlmaLinux-178254) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.