FKIE_CVE-2021-46918

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: clear MSIX permission entry on shutdown Add disabling/clearing of MSIX permission entries on device shutdown to mirror the enabling of the MSIX entries on probe. Current code left the MSIX enabled and the pasid entries still programmed at device shutdown.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6df0e6c57dfc064af330071f372f11aa8c584997Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c84b8982d7aa9b4717dc36a1c6cbc93ee153b500Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6df0e6c57dfc064af330071f372f11aa8c584997Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c84b8982d7aa9b4717dc36a1c6cbc93ee153b500Patch
Impacted products
Vendor Product Version
linux linux_kernel *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "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: clear MSIX permission entry on shutdown\n\nAdd disabling/clearing of MSIX permission entries on device shutdown to\nmirror the enabling of the MSIX entries on probe. Current code left the\nMSIX enabled and the pasid entries still programmed at device shutdown."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: dmaengine: idxd: borrar entrada de permiso MSIX al apagar Agregue la desactivaci\u00f3n/borrado de entradas de permiso MSIX al apagar el dispositivo para reflejar la habilitaci\u00f3n de las entradas MSIX en la sonda. El c\u00f3digo actual dej\u00f3 el MSIX habilitado y las entradas pasivas a\u00fan programadas al apagar el dispositivo."
    }
  ],
  "id": "CVE-2021-46918",
  "lastModified": "2024-11-21T06:34:55.823",
  "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": "2024-02-27T07:15:08.540",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/6df0e6c57dfc064af330071f372f11aa8c584997"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/c84b8982d7aa9b4717dc36a1c6cbc93ee153b500"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/6df0e6c57dfc064af330071f372f11aa8c584997"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/c84b8982d7aa9b4717dc36a1c6cbc93ee153b500"
    }
  ],
  "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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