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",
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              "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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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.