{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-22005",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-22005"
  ],
  "published": "2025-04-03T07:18:16Z",
  "summary": "ipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw().",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw().\n\nfib_check_nh_v6_gw() expects that fib6_nh_init() cleans up everything\nwhen it fails.\n\nCommit 7dd73168e273 (\"ipv6: Always allocate pcpu memory in a fib6_nh\")\nmoved fib_nh_common_init() before alloc_percpu_gfp() within fib6_nh_init()\nbut forgot to add cleanup for fib6_nh->nh_common.nhc_pcpu_rth_output in\ncase it fails to allocate fib6_nh->rt6i_pcpu, resulting in memleak.\n\nLet's call fib_nh_common_release() and clear nhc_pcpu_rth_output in the\nerror path.\n\nNote that we can remove the fib6_nh_release() call in nh_create_ipv6()\nlater in net-next.git.",
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