{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-41007",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-41007"
  ],
  "published": "2024-07-15T08:48:21Z",
  "summary": "tcp: avoid too many retransmit packets",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: avoid too many retransmit packets\n\nIf a TCP socket is using TCP_USER_TIMEOUT, and the other peer\nretracted its window to zero, tcp_retransmit_timer() can\nretransmit a packet every two jiffies (2 ms for HZ=1000),\nfor about 4 minutes after TCP_USER_TIMEOUT has 'expired'.\n\nThe fix is to make sure tcp_rtx_probe0_timed_out() takes\nicsk->icsk_user_timeout into account.\n\nBefore blamed commit, the socket would not timeout after\nicsk->icsk_user_timeout, but would use standard exponential\nbackoff for the retransmits.\n\nAlso worth noting that before commit e89688e3e978 (\"net: tcp:\nfix unexcepted socket die when snd_wnd is 0\"), the issue\nwould last 2 minutes instead of 4.",
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        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
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        "1:6.1.63-1+rpt1",
        "1:6.1.73-1+rpt1",
        "1:6.6.20-1+rpt1",
        "1:6.6.28-1+rpt1",
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-41007"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/7bb7670f92bfbd05fc41a8f9a8f358b7ffed65f4"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d2346fca5bed130dc712f276ac63450201d52969"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/5d7e64d70a11d988553a08239c810a658e841982"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/04317a2471c2f637b4c49cbd0e9c0d04a519f570"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e113cddefa27bbf5a79f72387b8fbd432a61a466"
    },
    {
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      "url": "https://git.kernel.org/stable/c/dfcdd7f89e401d2c6616be90c76c2fac3fa98fde"
    },
    {
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      "url": "https://git.kernel.org/stable/c/66cb64a1d2239cd0309f9b5038b05462570a5be1"
    },
    {
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      "url": "https://git.kernel.org/stable/c/97a9063518f198ec0adb2ecb89789de342bb8283"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T11:52:36Z"
  }
}
