FKIE_CVE-2021-47319

Vulnerability from fkie_nvd - Published: 2024-05-21 15:15 - Updated: 2026-06-17 04:17
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: virtio-blk: Fix memory leak among suspend/resume procedure The vblk->vqs should be freed before we call init_vqs() in virtblk_restore().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/04c6e60b884cb5e94ff32af46867fb41d5848358Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/102d6bc6475ab09bab579c18704e6cf8d898e93cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/29a2f4a3214aa14d61cc9737c9f886dae9dbb710Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/381bde79d11e596002edfd914e6714291826967aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/600942d2fd49b90e44857d20c774b20d16f3130fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/863da837964c80c72e368a4f748c30d25daa1815Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b71ba22e7c6c6b279c66f53ee7818709774efa1fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ca2b8ae93a6da9839dc7f9eb9199b18aa03c3daePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cd24da0db9f75ca11eaf6060f0ccb90e2f3be3b0Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/04c6e60b884cb5e94ff32af46867fb41d5848358Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/102d6bc6475ab09bab579c18704e6cf8d898e93cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/29a2f4a3214aa14d61cc9737c9f886dae9dbb710Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/381bde79d11e596002edfd914e6714291826967aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/600942d2fd49b90e44857d20c774b20d16f3130fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/863da837964c80c72e368a4f748c30d25daa1815Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b71ba22e7c6c6b279c66f53ee7818709774efa1fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ca2b8ae93a6da9839dc7f9eb9199b18aa03c3daePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cd24da0db9f75ca11eaf6060f0ccb90e2f3be3b0Patch
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 *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/block/virtio_blk.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "381bde79d11e596002edfd914e6714291826967a",
              "status": "affected",
              "version": "6a27b656fc0210e976db362e1368c56db05c8f08",
              "versionType": "git"
            },
            {
              "lessThan": "102d6bc6475ab09bab579c18704e6cf8d898e93c",
              "status": "affected",
              "version": "6a27b656fc0210e976db362e1368c56db05c8f08",
              "versionType": "git"
            },
            {
              "lessThan": "863da837964c80c72e368a4f748c30d25daa1815",
              "status": "affected",
              "version": "6a27b656fc0210e976db362e1368c56db05c8f08",
              "versionType": "git"
            },
            {
              "lessThan": "600942d2fd49b90e44857d20c774b20d16f3130f",
              "status": "affected",
              "version": "6a27b656fc0210e976db362e1368c56db05c8f08",
              "versionType": "git"
            },
            {
              "lessThan": "04c6e60b884cb5e94ff32af46867fb41d5848358",
              "status": "affected",
              "version": "6a27b656fc0210e976db362e1368c56db05c8f08",
              "versionType": "git"
            },
            {
              "lessThan": "cd24da0db9f75ca11eaf6060f0ccb90e2f3be3b0",
              "status": "affected",
              "version": "6a27b656fc0210e976db362e1368c56db05c8f08",
              "versionType": "git"
            },
            {
              "lessThan": "ca2b8ae93a6da9839dc7f9eb9199b18aa03c3dae",
              "status": "affected",
              "version": "6a27b656fc0210e976db362e1368c56db05c8f08",
              "versionType": "git"
            },
            {
              "lessThan": "29a2f4a3214aa14d61cc9737c9f886dae9dbb710",
              "status": "affected",
              "version": "6a27b656fc0210e976db362e1368c56db05c8f08",
              "versionType": "git"
            },
            {
              "lessThan": "b71ba22e7c6c6b279c66f53ee7818709774efa1f",
              "status": "affected",
              "version": "6a27b656fc0210e976db362e1368c56db05c8f08",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/block/virtio_blk.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.17"
            },
            {
              "lessThan": "3.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.4.*",
              "status": "unaffected",
              "version": "4.4.276",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.9.*",
              "status": "unaffected",
              "version": "4.9.276",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.240",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.198",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.134",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.52",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.12.*",
              "status": "unaffected",
              "version": "5.12.19",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.13.*",
              "status": "unaffected",
              "version": "5.13.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.14",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "10282F37-B17F-4974-967E-FCD5ABC9AB8E",
              "versionEndExcluding": "4.4.276",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C79FFC06-9530-4CD7-B651-01D786CC925E",
              "versionEndExcluding": "4.9.276",
              "versionStartIncluding": "4.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FB359B2E-773D-4D52-9915-E07A47ABE72B",
              "versionEndExcluding": "4.14.240",
              "versionStartIncluding": "4.10",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B93AEDB9-C52B-4222-8F9A-882DAD9EF5B2",
              "versionEndExcluding": "4.19.198",
              "versionStartIncluding": "4.15",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "508D9771-335F-44A6-9F2F-880DF1267A1F",
              "versionEndExcluding": "5.4.134",
              "versionStartIncluding": "4.20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7C1E6FB6-53C8-4DC4-8AE5-93094BA39F62",
              "versionEndExcluding": "5.10.52",
              "versionStartIncluding": "5.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "34C1A2F4-DD44-4CF1-8FD4-751A0D746A9E",
              "versionEndExcluding": "5.12.19",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F93FA3CC-0C79-410B-A7D7-245C2AA0723A",
              "versionEndExcluding": "5.13.4",
              "versionStartIncluding": "5.13",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-blk: Fix memory leak among suspend/resume procedure\n\nThe vblk-\u003evqs should be freed before we call init_vqs()\nin virtblk_restore()."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: virtio-blk: corrige la p\u00e9rdida de memoria entre el procedimiento de suspensi\u00f3n/reanudaci\u00f3n. El vblk-\u0026gt;vqs debe liberarse antes de llamar a init_vqs() en virtblk_restore()."
    }
  ],
  "id": "CVE-2021-47319",
  "lastModified": "2026-06-17T04:17:11.083",
  "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-2021-47319",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T15:39:09.303825Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-05-21T15:15:19.147",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/04c6e60b884cb5e94ff32af46867fb41d5848358"
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      "url": "https://git.kernel.org/stable/c/102d6bc6475ab09bab579c18704e6cf8d898e93c"
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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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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

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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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.