FKIE_CVE-2021-47079

Vulnerability from fkie_nvd - Published: 2024-03-01 22:15 - 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: platform/x86: ideapad-laptop: fix a NULL pointer dereference The third parameter of dytc_cql_command should not be NULL since it will be dereferenced immediately.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/beab753fe3b4e087411a850a64c6cd748544d8a1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ff67dbd554b2aaa22be933eced32610ff90209ddPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/beab753fe3b4e087411a850a64c6cd748544d8a1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ff67dbd554b2aaa22be933eced32610ff90209ddPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 5.13
linux linux_kernel 5.13
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/platform/x86/ideapad-laptop.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "beab753fe3b4e087411a850a64c6cd748544d8a1",
              "status": "affected",
              "version": "ff36b0d953dc4cbc40a72945920ff8e805f1b0da",
              "versionType": "git"
            },
            {
              "lessThan": "ff67dbd554b2aaa22be933eced32610ff90209dd",
              "status": "affected",
              "version": "ff36b0d953dc4cbc40a72945920ff8e805f1b0da",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/platform/x86/ideapad-laptop.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": "5.12.*",
              "status": "unaffected",
              "version": "5.12.7",
              "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": "13460FFE-8AA9-4F1C-963C-30982D8858D1",
              "versionEndExcluding": "5.12.7",
              "versionStartIncluding": "5.12",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "96AC23B2-D46A-49D9-8203-8E1BEDCA8532",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: ideapad-laptop: fix a NULL pointer dereference\n\nThe third parameter of dytc_cql_command should not be NULL since it will\nbe dereferenced immediately."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: plataforma/x86: ideapad-laptop: corrige una desreferencia de puntero NULL El tercer par\u00e1metro de dytc_cql_command no debe ser NULL ya que se desreferenciar\u00e1 inmediatamente."
    }
  ],
  "id": "CVE-2021-47079",
  "lastModified": "2026-06-17T04:16:24.920",
  "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-2021-47079",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-06-21T16:14:46.324077Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-03-01T22:15:47.387",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/beab753fe3b4e087411a850a64c6cd748544d8a1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ff67dbd554b2aaa22be933eced32610ff90209dd"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/beab753fe3b4e087411a850a64c6cd748544d8a1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ff67dbd554b2aaa22be933eced32610ff90209dd"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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