cve-2021-47071
Vulnerability from cvelistv5
Published
2024-03-01 21:15
Modified
2024-11-04 11:58
Severity ?
Summary
uio_hv_generic: Fix a memory leak in error handling paths
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47071",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-03-04T14:40:01.877350Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:15:01.454Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:24:39.582Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/cdd91637d4ef33e2be19a8e16e72e7d00c996d76"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/d84b5e912212b05f6b5bde9f682046accfbe0354"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/53486c467e356e06aa37047c984fccd64d78c827"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/3ee098f96b8b6c1a98f7f97915f8873164e6af9d"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/uio/uio_hv_generic.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "cdd91637d4ef",
              "status": "affected",
              "version": "cdfa835c6e5e",
              "versionType": "git"
            },
            {
              "lessThan": "d84b5e912212",
              "status": "affected",
              "version": "cdfa835c6e5e",
              "versionType": "git"
            },
            {
              "lessThan": "53486c467e35",
              "status": "affected",
              "version": "cdfa835c6e5e",
              "versionType": "git"
            },
            {
              "lessThan": "3ee098f96b8b",
              "status": "affected",
              "version": "cdfa835c6e5e",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/uio/uio_hv_generic.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.20"
            },
            {
              "lessThan": "4.20",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.122",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.12.*",
              "status": "unaffected",
              "version": "5.12.7",
              "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\nuio_hv_generic: Fix a memory leak in error handling paths\n\nIf \u0027vmbus_establish_gpadl()\u0027 fails, the (recv|send)_gpadl will not be\nupdated and \u0027hv_uio_cleanup()\u0027 in the error handling path will not be\nable to free the corresponding buffer.\n\nIn such a case, we need to free the buffer explicitly."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T11:58:52.321Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/cdd91637d4ef33e2be19a8e16e72e7d00c996d76"
        },
        {
          "url": "https://git.kernel.org/stable/c/d84b5e912212b05f6b5bde9f682046accfbe0354"
        },
        {
          "url": "https://git.kernel.org/stable/c/53486c467e356e06aa37047c984fccd64d78c827"
        },
        {
          "url": "https://git.kernel.org/stable/c/3ee098f96b8b6c1a98f7f97915f8873164e6af9d"
        }
      ],
      "title": "uio_hv_generic: Fix a memory leak in error handling paths",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47071",
    "datePublished": "2024-03-01T21:15:10.052Z",
    "dateReserved": "2024-02-29T22:33:44.297Z",
    "dateUpdated": "2024-11-04T11:58:52.321Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47071\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-01T22:15:46.967\",\"lastModified\":\"2024-03-01T22:22:25.913\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nuio_hv_generic: Fix a memory leak in error handling paths\\n\\nIf \u0027vmbus_establish_gpadl()\u0027 fails, the (recv|send)_gpadl will not be\\nupdated and \u0027hv_uio_cleanup()\u0027 in the error handling path will not be\\nable to free the corresponding buffer.\\n\\nIn such a case, we need to free the buffer explicitly.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: uio_hv_generic: corrige una p\u00e9rdida de memoria en las rutas de manejo de errores. Si falla \u0027vmbus_establecer_gpadl()\u0027, (recv|send)_gpadl no se actualizar\u00e1 y aparecer\u00e1 \u0027hv_uio_cleanup()\u0027 en el error La ruta de manejo no podr\u00e1 liberar el b\u00fafer correspondiente. En tal caso, necesitamos liberar el b\u00fafer expl\u00edcitamente.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3ee098f96b8b6c1a98f7f97915f8873164e6af9d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/53486c467e356e06aa37047c984fccd64d78c827\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cdd91637d4ef33e2be19a8e16e72e7d00c996d76\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d84b5e912212b05f6b5bde9f682046accfbe0354\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...
  • 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.