CVE-2025-37894 (GCVE-0-2025-37894)
Vulnerability from cvelistv5
Published
2025-05-20 15:21
Modified
2025-05-26 05:23
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net: use sock_gen_put() when sk_state is TCP_TIME_WAIT It is possible for a pointer of type struct inet_timewait_sock to be returned from the functions __inet_lookup_established() and __inet6_lookup_established(). This can cause a crash when the returned pointer is of type struct inet_timewait_sock and sock_put() is called on it. The following is a crash call stack that shows sk->sk_wmem_alloc being accessed in sk_free() during the call to sock_put() on a struct inet_timewait_sock pointer. To avoid this issue, use sock_gen_put() instead of sock_put() when sk->sk_state is TCP_TIME_WAIT. mrdump.ko ipanic() + 120 vmlinux notifier_call_chain(nr_to_call=-1, nr_calls=0) + 132 vmlinux atomic_notifier_call_chain(val=0) + 56 vmlinux panic() + 344 vmlinux add_taint() + 164 vmlinux end_report() + 136 vmlinux kasan_report(size=0) + 236 vmlinux report_tag_fault() + 16 vmlinux do_tag_recovery() + 16 vmlinux __do_kernel_fault() + 88 vmlinux do_bad_area() + 28 vmlinux do_tag_check_fault() + 60 vmlinux do_mem_abort() + 80 vmlinux el1_abort() + 56 vmlinux el1h_64_sync_handler() + 124 vmlinux > 0xFFFFFFC080011294() vmlinux __lse_atomic_fetch_add_release(v=0xF2FFFF82A896087C) vmlinux __lse_atomic_fetch_sub_release(v=0xF2FFFF82A896087C) vmlinux arch_atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C) + 8 vmlinux raw_atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C) + 8 vmlinux atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C) + 8 vmlinux __refcount_sub_and_test(i=1, r=0xF2FFFF82A896087C, oldp=0) + 8 vmlinux __refcount_dec_and_test(r=0xF2FFFF82A896087C, oldp=0) + 8 vmlinux refcount_dec_and_test(r=0xF2FFFF82A896087C) + 8 vmlinux sk_free(sk=0xF2FFFF82A8960700) + 28 vmlinux sock_put() + 48 vmlinux tcp6_check_fraglist_gro() + 236 vmlinux tcp6_gro_receive() + 624 vmlinux ipv6_gro_receive() + 912 vmlinux dev_gro_receive() + 1116 vmlinux napi_gro_receive() + 196 ccmni.ko ccmni_rx_callback() + 208 ccmni.ko ccmni_queue_recv_skb() + 388 ccci_dpmaif.ko dpmaif_rxq_push_thread() + 1088 vmlinux kthread() + 268 vmlinux 0xFFFFFFC08001F30C()
References
Impacted products
Vendor Product Version
Linux Linux Version: c9d1d23e5239f41700be69133a5769ac5ebc88a8
Version: c9d1d23e5239f41700be69133a5769ac5ebc88a8
Version: c9d1d23e5239f41700be69133a5769ac5ebc88a8
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/ipv4/tcp_offload.c",
            "net/ipv6/tcpv6_offload.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "c0dba059b118b5206e755042b15b49368a388898",
              "status": "affected",
              "version": "c9d1d23e5239f41700be69133a5769ac5ebc88a8",
              "versionType": "git"
            },
            {
              "lessThan": "786650e644c5b1c063921799ca203c0b8670d79a",
              "status": "affected",
              "version": "c9d1d23e5239f41700be69133a5769ac5ebc88a8",
              "versionType": "git"
            },
            {
              "lessThan": "f920436a44295ca791ebb6dae3f4190142eec703",
              "status": "affected",
              "version": "c9d1d23e5239f41700be69133a5769ac5ebc88a8",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/ipv4/tcp_offload.c",
            "net/ipv6/tcpv6_offload.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.10"
            },
            {
              "lessThan": "6.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.28",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.28",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14.6",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: use sock_gen_put() when sk_state is TCP_TIME_WAIT\n\nIt is possible for a pointer of type struct inet_timewait_sock to be\nreturned from the functions __inet_lookup_established() and\n__inet6_lookup_established(). This can cause a crash when the\nreturned pointer is of type struct inet_timewait_sock and\nsock_put() is called on it. The following is a crash call stack that\nshows sk-\u003esk_wmem_alloc being accessed in sk_free() during the call to\nsock_put() on a struct inet_timewait_sock pointer. To avoid this issue,\nuse sock_gen_put() instead of sock_put() when sk-\u003esk_state\nis TCP_TIME_WAIT.\n\nmrdump.ko        ipanic() + 120\nvmlinux          notifier_call_chain(nr_to_call=-1, nr_calls=0) + 132\nvmlinux          atomic_notifier_call_chain(val=0) + 56\nvmlinux          panic() + 344\nvmlinux          add_taint() + 164\nvmlinux          end_report() + 136\nvmlinux          kasan_report(size=0) + 236\nvmlinux          report_tag_fault() + 16\nvmlinux          do_tag_recovery() + 16\nvmlinux          __do_kernel_fault() + 88\nvmlinux          do_bad_area() + 28\nvmlinux          do_tag_check_fault() + 60\nvmlinux          do_mem_abort() + 80\nvmlinux          el1_abort() + 56\nvmlinux          el1h_64_sync_handler() + 124\nvmlinux        \u003e 0xFFFFFFC080011294()\nvmlinux          __lse_atomic_fetch_add_release(v=0xF2FFFF82A896087C)\nvmlinux          __lse_atomic_fetch_sub_release(v=0xF2FFFF82A896087C)\nvmlinux          arch_atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C)\n+ 8\nvmlinux          raw_atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C)\n+ 8\nvmlinux          atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C) + 8\nvmlinux          __refcount_sub_and_test(i=1, r=0xF2FFFF82A896087C,\noldp=0) + 8\nvmlinux          __refcount_dec_and_test(r=0xF2FFFF82A896087C, oldp=0) + 8\nvmlinux          refcount_dec_and_test(r=0xF2FFFF82A896087C) + 8\nvmlinux          sk_free(sk=0xF2FFFF82A8960700) + 28\nvmlinux          sock_put() + 48\nvmlinux          tcp6_check_fraglist_gro() + 236\nvmlinux          tcp6_gro_receive() + 624\nvmlinux          ipv6_gro_receive() + 912\nvmlinux          dev_gro_receive() + 1116\nvmlinux          napi_gro_receive() + 196\nccmni.ko         ccmni_rx_callback() + 208\nccmni.ko         ccmni_queue_recv_skb() + 388\nccci_dpmaif.ko   dpmaif_rxq_push_thread() + 1088\nvmlinux          kthread() + 268\nvmlinux          0xFFFFFFC08001F30C()"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-26T05:23:12.197Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/c0dba059b118b5206e755042b15b49368a388898"
        },
        {
          "url": "https://git.kernel.org/stable/c/786650e644c5b1c063921799ca203c0b8670d79a"
        },
        {
          "url": "https://git.kernel.org/stable/c/f920436a44295ca791ebb6dae3f4190142eec703"
        }
      ],
      "title": "net: use sock_gen_put() when sk_state is TCP_TIME_WAIT",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37894",
    "datePublished": "2025-05-20T15:21:31.283Z",
    "dateReserved": "2025-04-16T04:51:23.964Z",
    "dateUpdated": "2025-05-26T05:23:12.197Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-37894\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-20T16:15:25.760\",\"lastModified\":\"2025-05-21T20:25:16.407\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: use sock_gen_put() when sk_state is TCP_TIME_WAIT\\n\\nIt is possible for a pointer of type struct inet_timewait_sock to be\\nreturned from the functions __inet_lookup_established() and\\n__inet6_lookup_established(). This can cause a crash when the\\nreturned pointer is of type struct inet_timewait_sock and\\nsock_put() is called on it. The following is a crash call stack that\\nshows sk-\u003esk_wmem_alloc being accessed in sk_free() during the call to\\nsock_put() on a struct inet_timewait_sock pointer. To avoid this issue,\\nuse sock_gen_put() instead of sock_put() when sk-\u003esk_state\\nis TCP_TIME_WAIT.\\n\\nmrdump.ko        ipanic() + 120\\nvmlinux          notifier_call_chain(nr_to_call=-1, nr_calls=0) + 132\\nvmlinux          atomic_notifier_call_chain(val=0) + 56\\nvmlinux          panic() + 344\\nvmlinux          add_taint() + 164\\nvmlinux          end_report() + 136\\nvmlinux          kasan_report(size=0) + 236\\nvmlinux          report_tag_fault() + 16\\nvmlinux          do_tag_recovery() + 16\\nvmlinux          __do_kernel_fault() + 88\\nvmlinux          do_bad_area() + 28\\nvmlinux          do_tag_check_fault() + 60\\nvmlinux          do_mem_abort() + 80\\nvmlinux          el1_abort() + 56\\nvmlinux          el1h_64_sync_handler() + 124\\nvmlinux        \u003e 0xFFFFFFC080011294()\\nvmlinux          __lse_atomic_fetch_add_release(v=0xF2FFFF82A896087C)\\nvmlinux          __lse_atomic_fetch_sub_release(v=0xF2FFFF82A896087C)\\nvmlinux          arch_atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C)\\n+ 8\\nvmlinux          raw_atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C)\\n+ 8\\nvmlinux          atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C) + 8\\nvmlinux          __refcount_sub_and_test(i=1, r=0xF2FFFF82A896087C,\\noldp=0) + 8\\nvmlinux          __refcount_dec_and_test(r=0xF2FFFF82A896087C, oldp=0) + 8\\nvmlinux          refcount_dec_and_test(r=0xF2FFFF82A896087C) + 8\\nvmlinux          sk_free(sk=0xF2FFFF82A8960700) + 28\\nvmlinux          sock_put() + 48\\nvmlinux          tcp6_check_fraglist_gro() + 236\\nvmlinux          tcp6_gro_receive() + 624\\nvmlinux          ipv6_gro_receive() + 912\\nvmlinux          dev_gro_receive() + 1116\\nvmlinux          napi_gro_receive() + 196\\nccmni.ko         ccmni_rx_callback() + 208\\nccmni.ko         ccmni_queue_recv_skb() + 388\\nccci_dpmaif.ko   dpmaif_rxq_push_thread() + 1088\\nvmlinux          kthread() + 268\\nvmlinux          0xFFFFFFC08001F30C()\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: usar sock_gen_put() cuando sk_state es TCP_TIME_WAIT Es posible que un puntero de tipo struct inet_timewait_sock sea devuelto desde las funciones __inet_lookup_established() y __inet6_lookup_established(). Esto puede causar un bloqueo cuando el puntero devuelto es de tipo struct inet_timewait_sock y se llama a sock_put() en \u00e9l. La siguiente es una pila de llamadas de bloqueo que muestra que se accede a sk-\u0026gt;sk_wmem_alloc en sk_free() durante la llamada a sock_put() en un puntero struct inet_timewait_sock. Para evitar este problema, use sock_gen_put() en lugar de sock_put() cuando sk-\u0026gt;sk_state es TCP_TIME_WAIT. mrdump.ko ipanic() + 120 vmlinux notifier_call_chain(nr_to_call=-1, nr_calls=0) + 132 vmlinux atomic_notifier_call_chain(val=0) + 56 vmlinux panic() + 344 vmlinux add_taint() + 164 vmlinux end_report() + 136 vmlinux kasan_report(size=0) + 236 vmlinux report_tag_fault() + 16 vmlinux do_tag_recovery() + 16 vmlinux __do_kernel_fault() + 88 vmlinux do_bad_area() + 28 vmlinux do_tag_check_fault() + 60 vmlinux do_mem_abort() + 80 vmlinux el1_abort() + 56 vmlinux el1h_64_sync_handler() + 124 vmlinux \u0026gt; 0xFFFFFFC080011294() vmlinux __lse_atomic_fetch_add_release(v=0xF2FFFF82A896087C) vmlinux __lse_atomic_fetch_sub_release(v=0xF2FFFF82A896087C) vmlinux arch_atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C) + 8 vmlinux raw_atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C) + 8 vmlinux atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C) + 8 vmlinux __refcount_sub_and_test(i=1, r=0xF2FFFF82A896087C, p anterior=0) + 8 vmlinux __refcount_dec_and_test(r=0xF2FFFF82A896087C, p anterior=0) + 8 vmlinux refcount_dec_and_test(r=0xF2FFFF82A896087C) + 8 vmlinux sk_free(sk=0xF2FFFF82A8960700) + 28 vmlinux sock_put() + 48 vmlinux tcp6_check_fraglist_gro() + 236 vmlinux tcp6_gro_receive() + 624 vmlinux ipv6_gro_receive() + 912 vmlinux dev_gro_receive() + 1116 vmlinux napi_gro_receive() + 196 ccmni.ko ccmni_rx_callback() + 208 ccmni.ko ccmni_queue_recv_skb() + 388 ccci_dpmaif.ko dpmaif_rxq_push_thread() + 1088 vmlinux kthread() + 268 vmlinux 0xFFFFFFC08001F30C()\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/786650e644c5b1c063921799ca203c0b8670d79a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c0dba059b118b5206e755042b15b49368a388898\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f920436a44295ca791ebb6dae3f4190142eec703\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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