{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "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."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/ipv4/tcp_timer.c"
               ],
               "versions": [
                  {
                     "version": "b701a99e431d",
                     "lessThan": "7bb7670f92bf",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b701a99e431d",
                     "lessThan": "d2346fca5bed",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b701a99e431d",
                     "lessThan": "5d7e64d70a11",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b701a99e431d",
                     "lessThan": "04317a2471c2",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b701a99e431d",
                     "lessThan": "e113cddefa27",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b701a99e431d",
                     "lessThan": "dfcdd7f89e40",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b701a99e431d",
                     "lessThan": "66cb64a1d223",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b701a99e431d",
                     "lessThan": "97a9063518f1",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/ipv4/tcp_timer.c"
               ],
               "versions": [
                  {
                     "version": "4.19",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.19",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.318",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.280",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.222",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.163",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.100",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.41",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9.10",
                     "lessThanOrEqual": "6.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/7bb7670f92bfbd05fc41a8f9a8f358b7ffed65f4"
            },
            {
               "url": "https://git.kernel.org/stable/c/d2346fca5bed130dc712f276ac63450201d52969"
            },
            {
               "url": "https://git.kernel.org/stable/c/5d7e64d70a11d988553a08239c810a658e841982"
            },
            {
               "url": "https://git.kernel.org/stable/c/04317a2471c2f637b4c49cbd0e9c0d04a519f570"
            },
            {
               "url": "https://git.kernel.org/stable/c/e113cddefa27bbf5a79f72387b8fbd432a61a466"
            },
            {
               "url": "https://git.kernel.org/stable/c/dfcdd7f89e401d2c6616be90c76c2fac3fa98fde"
            },
            {
               "url": "https://git.kernel.org/stable/c/66cb64a1d2239cd0309f9b5038b05462570a5be1"
            },
            {
               "url": "https://git.kernel.org/stable/c/97a9063518f198ec0adb2ecb89789de342bb8283"
            }
         ],
         "title": "tcp: avoid too many retransmit packets",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-41007",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}