FKIE_CVE-2021-46985

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: ACPI: scan: Fix a memory leak in an error handling path If 'acpi_device_set_name()' fails, we must free 'acpi_device_bus_id->bus_id' or there is a (potential) memory leak.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0c8bd174f0fc131bc9dfab35cd8784f59045da87Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5ab9857dde7c3ea3faef6b128d718cf8ba98721bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6901a4f795e0e8d65ae779cb37fc22e0bf294712Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/69cc821e89ce572884548ac54c4f80eec7a837a5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a7e17a8d421ae23c920240625b4413c7b94d94a4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c5c8f6ffc942cf42f990f22e35bcf4cbe9d8c2fbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dafd4c0b5e835db020cff11c74b4af9493a58e72Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e2381174daeae0ca35eddffef02dcc8de8c1ef8aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0c8bd174f0fc131bc9dfab35cd8784f59045da87Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5ab9857dde7c3ea3faef6b128d718cf8ba98721bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6901a4f795e0e8d65ae779cb37fc22e0bf294712Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/69cc821e89ce572884548ac54c4f80eec7a837a5Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a7e17a8d421ae23c920240625b4413c7b94d94a4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c5c8f6ffc942cf42f990f22e35bcf4cbe9d8c2fbPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/dafd4c0b5e835db020cff11c74b4af9493a58e72Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e2381174daeae0ca35eddffef02dcc8de8c1ef8aPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.13
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/acpi/scan.c"
          ],
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          "vendor": "Linux",
          "versions": [
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            },
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              "versionType": "git"
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              "status": "affected",
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              "versionType": "git"
            },
            {
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            },
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              "versionType": "git"
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            {
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              "status": "affected",
              "version": "eb50aaf960e3bedfef79063411ffd670da94b84b",
              "versionType": "git"
            },
            {
              "lessThan": "4.9.269",
              "status": "affected",
              "version": "4.9.264",
              "versionType": "semver"
            },
            {
              "lessThan": "4.14.233",
              "status": "affected",
              "version": "4.14.228",
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              "status": "affected",
              "version": "4.19.184",
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            },
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              "status": "affected",
              "version": "5.4.109",
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            },
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              "status": "affected",
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            },
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              "status": "affected",
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              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/acpi/scan.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": "4.9.*",
              "status": "unaffected",
              "version": "4.9.269",
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            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
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            },
            {
              "lessThanOrEqual": "4.19.*",
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            },
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              "status": "unaffected",
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            },
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              "status": "unaffected",
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            },
            {
              "lessThanOrEqual": "5.11.*",
              "status": "unaffected",
              "version": "5.11.22",
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              "lessThanOrEqual": "5.12.*",
              "status": "unaffected",
              "version": "5.12.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1ADB041C-B7A7-43C5-8A66-2062540C8839",
              "versionEndExcluding": "4.9.269",
              "versionStartIncluding": "4.9.264",
              "vulnerable": true
            },
            {
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            {
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              "matchCriteriaId": "0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7",
              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: scan: Fix a memory leak in an error handling path\n\nIf \u0027acpi_device_set_name()\u0027 fails, we must free\n\u0027acpi_device_bus_id-\u003ebus_id\u0027 or there is a (potential) memory leak."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: ACPI: scan: Corregir p\u00e9rdida de memoria en una ruta de manejo de errores Si falla \u0027acpi_device_set_name()\u0027 debemos liberar \u0027acpi_device_bus_id-\u0026gt;bus_id\u0027 o hay una (potencial) memoria filtraci\u00f3n."
    }
  ],
  "id": "CVE-2021-46985",
  "lastModified": "2026-06-17T04:16:04.857",
  "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-2021-46985",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T16:01:08.493221Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-02-28T09:15:37.497",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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  ],
  "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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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.