cve-2021-47171
Vulnerability from cvelistv5
Published
2024-03-25 09:16
Modified
2024-12-19 07:36
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net: usb: fix memory leak in smsc75xx_bind Syzbot reported memory leak in smsc75xx_bind(). The problem was is non-freed memory in case of errors after memory allocation. backtrace: [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1faPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbcPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1faPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbcPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17Patch
Impacted products
Vendor Product Version
Linux Linux Version: 2.6.34
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:24:39.965Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47171",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T15:54:28.610486Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-11T17:32:58.501Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/usb/smsc75xx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "200dbfcad8011e50c3cec269ed7b980836eeb1fa",
              "status": "affected",
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "versionType": "git"
            },
            {
              "lessThan": "22c840596af0c09068b6cf948616e6496e59e07f",
              "status": "affected",
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "versionType": "git"
            },
            {
              "lessThan": "9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc",
              "status": "affected",
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "versionType": "git"
            },
            {
              "lessThan": "9e6a3eccb28779710cbbafc4f4258d92509c6d07",
              "status": "affected",
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "versionType": "git"
            },
            {
              "lessThan": "b95fb96e6339e34694dd578fb6bde3575b01af17",
              "status": "affected",
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "versionType": "git"
            },
            {
              "lessThan": "635ac38b36255d3cfb8312cf7c471334f4d537e0",
              "status": "affected",
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "versionType": "git"
            },
            {
              "lessThan": "70c886ac93f87ae7214a0c69151a28a8075dd95b",
              "status": "affected",
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "versionType": "git"
            },
            {
              "lessThan": "46a8b29c6306d8bbfd92b614ef65a47c900d8e70",
              "status": "affected",
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/usb/smsc75xx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.34"
            },
            {
              "lessThan": "2.6.34",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.4.*",
              "status": "unaffected",
              "version": "4.4.271",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.9.*",
              "status": "unaffected",
              "version": "4.9.271",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.235",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.193",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.124",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.12.*",
              "status": "unaffected",
              "version": "5.12.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: fix memory leak in smsc75xx_bind\n\nSyzbot reported memory leak in smsc75xx_bind().\nThe problem was is non-freed memory in case of\nerrors after memory allocation.\n\nbacktrace:\n  [\u003cffffffff84245b62\u003e] kmalloc include/linux/slab.h:556 [inline]\n  [\u003cffffffff84245b62\u003e] kzalloc include/linux/slab.h:686 [inline]\n  [\u003cffffffff84245b62\u003e] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460\n  [\u003cffffffff82b5b2e6\u003e] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-19T07:36:32.808Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa"
        },
        {
          "url": "https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f"
        },
        {
          "url": "https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc"
        },
        {
          "url": "https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07"
        },
        {
          "url": "https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17"
        },
        {
          "url": "https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0"
        },
        {
          "url": "https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b"
        },
        {
          "url": "https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70"
        }
      ],
      "title": "net: usb: fix memory leak in smsc75xx_bind",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47171",
    "datePublished": "2024-03-25T09:16:22.993Z",
    "dateReserved": "2024-03-25T09:12:14.111Z",
    "dateUpdated": "2024-12-19T07:36:32.808Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47171\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-25T10:15:08.917\",\"lastModified\":\"2024-11-21T06:35:32.923\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: usb: fix memory leak in smsc75xx_bind\\n\\nSyzbot reported memory leak in smsc75xx_bind().\\nThe problem was is non-freed memory in case of\\nerrors after memory allocation.\\n\\nbacktrace:\\n  [\u003cffffffff84245b62\u003e] kmalloc include/linux/slab.h:556 [inline]\\n  [\u003cffffffff84245b62\u003e] kzalloc include/linux/slab.h:686 [inline]\\n  [\u003cffffffff84245b62\u003e] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460\\n  [\u003cffffffff82b5b2e6\u003e] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net: usb: corrige la p\u00e9rdida de memoria en smsc75xx_bind Syzbot inform\u00f3 una p\u00e9rdida de memoria en smsc75xx_bind(). El problema era que la memoria no se liberaba en caso de errores despu\u00e9s de la asignaci\u00f3n de memoria. backtrace: [] kmalloc include/linux/slab.h:556 [en l\u00ednea] [] kzalloc include/linux/slab.h:686 [en l\u00ednea] [] smsc75xx_bind+0x7a/0x334 controladores/ net/usb/smsc75xx.c:1460 [] usbnet_probe+0x3b6/0xc30 controladores/net/usb/usbnet.c:1728\"}],\"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\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.34\",\"versionEndExcluding\":\"4.4.271\",\"matchCriteriaId\":\"A33A1AB8-3E91-4E38-B988-A00527F09E06\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.5\",\"versionEndExcluding\":\"4.9.271\",\"matchCriteriaId\":\"1E7DAE3A-78E9-45DB-96D8-4541CD7DC26B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.14.235\",\"matchCriteriaId\":\"03A23445-0C1A-42AB-AC5C-768360DDF32C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.193\",\"matchCriteriaId\":\"C8DEF3EC-88D9-4B89-8CF9-64BD6C863C9D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.124\",\"matchCriteriaId\":\"06FE0F99-F7A9-462A-8355-30E2EDA9826B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.42\",\"matchCriteriaId\":\"C3E7E799-1C8A-45FB-9E07-4731996144C9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.12.9\",\"matchCriteriaId\":\"2C8A1D02-81A7-44E5-ACFD-CC6A6694F930\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.