FKIE_CVE-2021-46919

Vulnerability from fkie_nvd - Published: 2024-02-27 07:15 - Updated: 2024-11-21 06:34
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: dmaengine: idxd: fix wq size store permission state WQ size can only be changed when the device is disabled. Current code allows change when device is enabled but wq is disabled. Change the check to detect device state.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15faddPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037aePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15faddPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037aePatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "10B30767-6251-4101-9C1B-5F61DBAFA43A",
              "versionEndExcluding": "5.10.32",
              "versionStartIncluding": "5.6.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3C5242B9-B5BD-4578-AD66-69DF59D54A14",
              "versionEndExcluding": "5.11.16",
              "versionStartIncluding": "5.11.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: fix wq size store permission state\n\nWQ size can only be changed when the device is disabled. Current code\nallows change when device is enabled but wq is disabled. Change the check\nto detect device state."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dmaengine: idxd: corregir el tama\u00f1o de wq estado del permiso de almacenamiento El tama\u00f1o de WQ solo se puede cambiar cuando el dispositivo est\u00e1 deshabilitado. El c\u00f3digo actual permite cambios cuando el dispositivo est\u00e1 habilitado pero wq est\u00e1 deshabilitado. Cambie la verificaci\u00f3n para detectar el estado del dispositivo."
    }
  ],
  "id": "CVE-2021-46919",
  "lastModified": "2024-11-21T06:34:55.947",
  "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": "2024-02-27T07:15:08.787",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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