{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-57841",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-57841"
  ],
  "published": "2025-01-15T13:11:32Z",
  "summary": "net: fix memory leak in tcp_conn_request()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix memory leak in tcp_conn_request()\n\nIf inet_csk_reqsk_queue_hash_add() return false, tcp_conn_request() will\nreturn without free the dst memory, which allocated in af_ops->route_req.\n\nHere is the kmemleak stack:\n\nunreferenced object 0xffff8881198631c0 (size 240):\n  comm \"softirq\", pid 0, jiffies 4299266571 (age 1802.392s)\n  hex dump (first 32 bytes):\n    00 10 9b 03 81 88 ff ff 80 98 da bc ff ff ff ff  ................\n    81 55 18 bb ff ff ff ff 00 00 00 00 00 00 00 00  .U..............\n  backtrace:\n    [<ffffffffb93e8d4c>] kmem_cache_alloc+0x60c/0xa80\n    [<ffffffffba11b4c5>] dst_alloc+0x55/0x250\n    [<ffffffffba227bf6>] rt_dst_alloc+0x46/0x1d0\n    [<ffffffffba23050a>] __mkroute_output+0x29a/0xa50\n    [<ffffffffba23456b>] ip_route_output_key_hash+0x10b/0x240\n    [<ffffffffba2346bd>] ip_route_output_flow+0x1d/0x90\n    [<ffffffffba254855>] inet_csk_route_req+0x2c5/0x500\n    [<ffffffffba26b331>] tcp_conn_request+0x691/0x12c0\n    [<ffffffffba27bd08>] tcp_rcv_state_process+0x3c8/0x11b0\n    [<ffffffffba2965c6>] tcp_v4_do_rcv+0x156/0x3b0\n    [<ffffffffba299c98>] tcp_v4_rcv+0x1cf8/0x1d80\n    [<ffffffffba239656>] ip_protocol_deliver_rcu+0xf6/0x360\n    [<ffffffffba2399a6>] ip_local_deliver_finish+0xe6/0x1e0\n    [<ffffffffba239b8e>] ip_local_deliver+0xee/0x360\n    [<ffffffffba239ead>] ip_rcv+0xad/0x2f0\n    [<ffffffffba110943>] __netif_receive_skb_one_core+0x123/0x140\n\nCall dst_release() to free the dst memory when\ninet_csk_reqsk_queue_hash_add() return false in tcp_conn_request().",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.6.47-1+rpt1",
        "1:6.6.51-1+rpt1",
        "1:6.6.51-1+rpt2",
        "1:6.6.51-1+rpt3",
        "1:6.6.62-1+rpt1"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.6.47+rpt-rpi-2712",
            "binary_version": "1:6.6.47-1+rpt1"
          },
          {
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            "binary_version": "1:6.6.47-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.6.47+rpt-rpi-v7",
            "binary_version": "1:6.6.47-1+rpt1"
          },
          {
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            "binary_version": "1:6.6.47-1+rpt1"
          },
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      "database_specific": {
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            "linux_commit": "cf64a1dfecc2dc418efdd61701c1a4b185ab4761",
            "upstream_version": "6.6.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.6.70"
          },
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-57841"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9d38959677291552d1b0ed2689a540af279b5bf8"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/de3f999bf8aee16e9da1c1224191abdc69e97c9d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/2af69905180b3fea12f9c1db374b153a06977021"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b0b190218c78d8aeecfba36ea3a90063b3ede52d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4f4aa4aa28142d53f8b06585c478476cfe325cfc"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-24T06:48:58Z"
  }
}