fkie_cve-2021-47332
Vulnerability from fkie_nvd
Published
2024-05-21 15:15
Modified
2024-12-24 16:15
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: ALSA: usx2y: Don't call free_pages_exact() with NULL address Unlike some other functions, we can't pass NULL pointer to free_pages_exact(). Add a proper NULL check for avoiding possible Oops.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829fPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E8906CE9-ED5B-4D67-A356-65A3B757C7A7",
              "versionEndExcluding": "5.4.134",
              "vulnerable": true
            },
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          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usx2y: Don\u0027t call free_pages_exact() with NULL address\n\nUnlike some other functions, we can\u0027t pass NULL pointer to\nfree_pages_exact().  Add a proper NULL check for avoiding possible\nOops."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ALSA: usx2y: No llamar a free_pages_exact() con direcci\u00f3n NULL A diferencia de otras funciones, no podemos pasar un puntero NULL a free_pages_exact(). Agregue una verificaci\u00f3n NULL adecuada para evitar posibles Oops."
    }
  ],
  "id": "CVE-2021-47332",
  "lastModified": "2024-12-24T16:15:56.680",
  "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"
      }
    ]
  },
  "published": "2024-05-21T15:15:20.133",
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    }
  ],
  "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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