FKIE_CVE-2021-47022

Vulnerability from fkie_nvd - Published: 2024-02-28 09:15 - Updated: 2026-06-17 04:16
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: fix memleak when mt7615_unregister_device() mt7615_tx_token_put() should get call before mt76_free_pending_txwi().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/107bcbb219ac84d885ac63b25246f8d33212bc47Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4fa28c807da54c1d720b3cc12e48eb9bea1e2c8fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6c5b2b0c6e5a6ce2d8f9f85b8b72bfad60eaa506Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8ab31da7b89f71c4c2defcca989fab7b42f87d71Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/107bcbb219ac84d885ac63b25246f8d33212bc47Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4fa28c807da54c1d720b3cc12e48eb9bea1e2c8fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6c5b2b0c6e5a6ce2d8f9f85b8b72bfad60eaa506Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8ab31da7b89f71c4c2defcca989fab7b42f87d71Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4fa28c807da54c1d720b3cc12e48eb9bea1e2c8f",
              "status": "affected",
              "version": "aec5719681405af21102c2407b01f83ed19e9833",
              "versionType": "git"
            },
            {
              "lessThan": "107bcbb219ac84d885ac63b25246f8d33212bc47",
              "status": "affected",
              "version": "1aca6c30d4b655a4fd29c4ad66985b60def88eed",
              "versionType": "git"
            },
            {
              "lessThan": "6c5b2b0c6e5a6ce2d8f9f85b8b72bfad60eaa506",
              "status": "affected",
              "version": "a6275e934605646ef81b02d8d1164f21343149c9",
              "versionType": "git"
            },
            {
              "lessThan": "8ab31da7b89f71c4c2defcca989fab7b42f87d71",
              "status": "affected",
              "version": "a6275e934605646ef81b02d8d1164f21343149c9",
              "versionType": "git"
            },
            {
              "lessThan": "5.10.37",
              "status": "affected",
              "version": "5.10.21",
              "versionType": "semver"
            },
            {
              "lessThan": "5.11.21",
              "status": "affected",
              "version": "5.11.4",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.12"
            },
            {
              "lessThan": "5.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.37",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.11.*",
              "status": "unaffected",
              "version": "5.11.21",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.12.*",
              "status": "unaffected",
              "version": "5.12.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "256A490E-1C87-4077-B880-36BC3FAB07AB",
              "versionEndExcluding": "5.10.37",
              "versionStartIncluding": "5.10.21",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C39F6A5C-514F-4A49-B46B-CF669936DBB2",
              "versionEndExcluding": "5.11.21",
              "versionStartIncluding": "5.11.4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D8C7052F-1B7B-4327-9C2B-84EBF3243838",
              "versionEndExcluding": "5.12.4",
              "versionStartIncluding": "5.12",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: mt7615: fix memleak when mt7615_unregister_device()\n\nmt7615_tx_token_put() should get call before mt76_free_pending_txwi()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: mt76: mt7615: corrige memleak cuando mt7615_unregister_device() mt7615_tx_token_put() deber\u00eda recibir una llamada antes que mt76_free_pending_txwi()."
    }
  ],
  "id": "CVE-2021-47022",
  "lastModified": "2026-06-17T04:16:13.077",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-47022",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-06-21T16:29:02.341661Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-02-28T09:15:39.147",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/107bcbb219ac84d885ac63b25246f8d33212bc47"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/4fa28c807da54c1d720b3cc12e48eb9bea1e2c8f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/6c5b2b0c6e5a6ce2d8f9f85b8b72bfad60eaa506"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/8ab31da7b89f71c4c2defcca989fab7b42f87d71"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/107bcbb219ac84d885ac63b25246f8d33212bc47"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/4fa28c807da54c1d720b3cc12e48eb9bea1e2c8f"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/6c5b2b0c6e5a6ce2d8f9f85b8b72bfad60eaa506"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/8ab31da7b89f71c4c2defcca989fab7b42f87d71"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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