cve-2022-48906
Vulnerability from cvelistv5
Published
2024-08-22 01:30
Modified
2024-12-19 08:10
Severity ?
Summary
mptcp: Correctly set DATA_FIN timeout when number of retransmits is large
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/03ae283bd71f761feae3f402668d698b393b0e79Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0c3f34beb459753f9f80d0cc14c1b50ab615c631Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/877d11f0332cd2160e19e3313e262754c321fa36Patch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-48906",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T15:34:17.194266Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-12T17:33:02.444Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/mptcp/protocol.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0c3f34beb459753f9f80d0cc14c1b50ab615c631",
              "status": "affected",
              "version": "6477dd39e62c3a67cfa368ddc127410b4ae424c6",
              "versionType": "git"
            },
            {
              "lessThan": "03ae283bd71f761feae3f402668d698b393b0e79",
              "status": "affected",
              "version": "6477dd39e62c3a67cfa368ddc127410b4ae424c6",
              "versionType": "git"
            },
            {
              "lessThan": "877d11f0332cd2160e19e3313e262754c321fa36",
              "status": "affected",
              "version": "6477dd39e62c3a67cfa368ddc127410b4ae424c6",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/mptcp/protocol.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.13"
            },
            {
              "lessThan": "5.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.27",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.16.*",
              "status": "unaffected",
              "version": "5.16.13",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: Correctly set DATA_FIN timeout when number of retransmits is large\n\nSyzkaller with UBSAN uncovered a scenario where a large number of\nDATA_FIN retransmits caused a shift-out-of-bounds in the DATA_FIN\ntimeout calculation:\n\n================================================================================\nUBSAN: shift-out-of-bounds in net/mptcp/protocol.c:470:29\nshift exponent 32 is too large for 32-bit type \u0027unsigned int\u0027\nCPU: 1 PID: 13059 Comm: kworker/1:0 Not tainted 5.17.0-rc2-00630-g5fbf21c90c60 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nWorkqueue: events mptcp_worker\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\n ubsan_epilogue+0xb/0x5a lib/ubsan.c:151\n __ubsan_handle_shift_out_of_bounds.cold+0xb2/0x20e lib/ubsan.c:330\n mptcp_set_datafin_timeout net/mptcp/protocol.c:470 [inline]\n __mptcp_retrans.cold+0x72/0x77 net/mptcp/protocol.c:2445\n mptcp_worker+0x58a/0xa70 net/mptcp/protocol.c:2528\n process_one_work+0x9df/0x16d0 kernel/workqueue.c:2307\n worker_thread+0x95/0xe10 kernel/workqueue.c:2454\n kthread+0x2f4/0x3b0 kernel/kthread.c:377\n ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295\n \u003c/TASK\u003e\n================================================================================\n\nThis change limits the maximum timeout by limiting the size of the\nshift, which keeps all intermediate values in-bounds."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-19T08:10:14.711Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0c3f34beb459753f9f80d0cc14c1b50ab615c631"
        },
        {
          "url": "https://git.kernel.org/stable/c/03ae283bd71f761feae3f402668d698b393b0e79"
        },
        {
          "url": "https://git.kernel.org/stable/c/877d11f0332cd2160e19e3313e262754c321fa36"
        }
      ],
      "title": "mptcp: Correctly set DATA_FIN timeout when number of retransmits is large",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-48906",
    "datePublished": "2024-08-22T01:30:40.850Z",
    "dateReserved": "2024-08-21T06:06:23.292Z",
    "dateUpdated": "2024-12-19T08:10:14.711Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-48906\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-08-22T02:15:05.120\",\"lastModified\":\"2024-09-12T13:41:56.660\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmptcp: Correctly set DATA_FIN timeout when number of retransmits is large\\n\\nSyzkaller with UBSAN uncovered a scenario where a large number of\\nDATA_FIN retransmits caused a shift-out-of-bounds in the DATA_FIN\\ntimeout calculation:\\n\\n================================================================================\\nUBSAN: shift-out-of-bounds in net/mptcp/protocol.c:470:29\\nshift exponent 32 is too large for 32-bit type \u0027unsigned int\u0027\\nCPU: 1 PID: 13059 Comm: kworker/1:0 Not tainted 5.17.0-rc2-00630-g5fbf21c90c60 #1\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\\nWorkqueue: events mptcp_worker\\nCall Trace:\\n \u003cTASK\u003e\\n __dump_stack lib/dump_stack.c:88 [inline]\\n dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\\n ubsan_epilogue+0xb/0x5a lib/ubsan.c:151\\n __ubsan_handle_shift_out_of_bounds.cold+0xb2/0x20e lib/ubsan.c:330\\n mptcp_set_datafin_timeout net/mptcp/protocol.c:470 [inline]\\n __mptcp_retrans.cold+0x72/0x77 net/mptcp/protocol.c:2445\\n mptcp_worker+0x58a/0xa70 net/mptcp/protocol.c:2528\\n process_one_work+0x9df/0x16d0 kernel/workqueue.c:2307\\n worker_thread+0x95/0xe10 kernel/workqueue.c:2454\\n kthread+0x2f4/0x3b0 kernel/kthread.c:377\\n ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295\\n \u003c/TASK\u003e\\n================================================================================\\n\\nThis change limits the maximum timeout by limiting the size of the\\nshift, which keeps all intermediate values in-bounds.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mptcp: establece correctamente el tiempo de espera de DATA_FIN cuando el n\u00famero de retransmisiones es grande Syzkaller con UBSAN descubri\u00f3 un escenario en el que una gran cantidad de retransmisiones de DATA_FIN provocaban un desplazamiento fuera de los l\u00edmites en el tiempo de espera de DATA_FIN c\u00e1lculo: =================================================== ================================ UBSAN: desplazamiento fuera de los l\u00edmites en net/mptcp/protocol.c: El exponente de desplazamiento 470:29 32 es demasiado grande para el tipo \u0027unsigned int\u0027 de 32 bits CPU: 1 PID: 13059 Comm: kworker/1:0 Not tainted 5.17.0-rc2-00630-g5fbf21c90c60 #1 Nombre de hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 01/04/2014 Cola de trabajo: eventos mptcp_worker Seguimiento de llamadas:  __dump_stack lib/dump_stack.c:88 [en l\u00ednea] dump_stack_lvl+0xcd/0x134 lib/dump_stack .c:106 ubsan_epilogue+0xb/0x5a lib/ubsan.c:151 __ubsan_handle_shift_out_of_bounds.cold+0xb2/0x20e lib/ubsan.c:330 mptcp_set_datafin_timeout net/mptcp/protocol.c:470 __mptcp_retrans.cold+0x7 2/0x77 net/mptcp/protocol.c:2445 mptcp_worker+0x58a/0xa70 net/mptcp/protocol.c:2528 Process_one_work+0x9df/0x16d0 kernel/workqueue.c:2307 trabajador_thread+0x95/0xe10 kernel/workqueue.c:2454 kthread+0x2f4 /0x3b0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295  ====================== ==================================================== ========= Este cambio limita el tiempo de espera m\u00e1ximo al limitar el tama\u00f1o del turno, lo que mantiene todos los valores intermedios dentro de los l\u00edmites.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.12.4\",\"versionEndExcluding\":\"5.13\",\"matchCriteriaId\":\"962DCAA0-5F0D-4E2B-9CC7-53800AB2E504\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.13\",\"versionEndExcluding\":\"5.15.27\",\"matchCriteriaId\":\"30FF1CEF-6370-4679-8AB5-D39C2D09A3D3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.16.13\",\"matchCriteriaId\":\"B871B667-EDC0-435D-909E-E918D8D90995\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"7BD5F8D9-54FA-4CB0-B4F0-CB0471FDDB2D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"E6E34B23-78B4-4516-9BD8-61B33F4AC49A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"C030FA3D-03F4-4FB9-9DBF-D08E5CAC51AA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"B2D2677C-5389-4AE9-869D-0F881E80D923\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.17:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"EFA3917C-C322-4D92-912D-ECE45B2E7416\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.17:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"BED18363-5ABC-4639-8BBA-68E771E5BB3F\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/03ae283bd71f761feae3f402668d698b393b0e79\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0c3f34beb459753f9f80d0cc14c1b50ab615c631\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/877d11f0332cd2160e19e3313e262754c321fa36\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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