{"api_version":"1","generated_at":"2026-07-23T09:43:15+00:00","cve":"CVE-2025-22005","urls":{"html":"https://cve.report/CVE-2025-22005","api":"https://cve.report/api/cve/CVE-2025-22005.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-22005","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-22005"},"summary":{"title":"ipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw().","description":"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() 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Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw()","CVE":"CVE-2025-22005","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"22005","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"ipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw()"}]}}}