GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2021-47320 (GCVE-0-2021-47320)

Vulnerability from cvelistv5 – Published: 2024-05-21 14:35 – Updated: 2026-05-11 13:52
VLAI
Title
nfs: fix acl memory leak of posix_acl_create()
Summary
In the Linux kernel, the following vulnerability has been resolved: nfs: fix acl memory leak of posix_acl_create() When looking into another nfs xfstests report, I found acl and default_acl in nfs3_proc_create() and nfs3_proc_mknod() error paths are possibly leaked. Fix them in advance.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-23 18:03 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 013cdf1088d7235da9477a2375654921d9b9ba9f , < 2e3960f276b4574a9bb0dfa31a7497302f6363b2 (git)
Affected: 013cdf1088d7235da9477a2375654921d9b9ba9f , < cef9d9acb7c80ed6bace894b6334557fd493863b (git)
Affected: 013cdf1088d7235da9477a2375654921d9b9ba9f , < 8a2b308a54c5ec224fedc753617f99b29ffcd883 (git)
Affected: 013cdf1088d7235da9477a2375654921d9b9ba9f , < 0704f617040c397ae73c1f88f3956787ec5d6529 (git)
Affected: 013cdf1088d7235da9477a2375654921d9b9ba9f , < d0b32dc1409f7e65e4fcc34e236462268e69a357 (git)
Affected: 013cdf1088d7235da9477a2375654921d9b9ba9f , < 4b515308ab875c7e8ada8e606fe0c64762da5ed4 (git)
Affected: 013cdf1088d7235da9477a2375654921d9b9ba9f , < c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38 (git)
Affected: 013cdf1088d7235da9477a2375654921d9b9ba9f , < 687cf32865b2d6960214bce523f2afac58dd3cd2 (git)
Affected: 013cdf1088d7235da9477a2375654921d9b9ba9f , < 1fcb6fcd74a222d9ead54d405842fc763bb86262 (git)
guessed Create a notification for this product.
Linux Linux Affected: 3.14
Unaffected: 0 , < 3.14 (semver)
Unaffected: 4.4.276 , ≤ 4.4.* (semver)
Unaffected: 4.9.276 , ≤ 4.9.* (semver)
Unaffected: 4.14.240 , ≤ 4.14.* (semver)
Unaffected: 4.19.198 , ≤ 4.19.* (semver)
Unaffected: 5.4.134 , ≤ 5.4.* (semver)
Unaffected: 5.10.52 , ≤ 5.10.* (semver)
Unaffected: 5.12.19 , ≤ 5.12.* (semver)
Unaffected: 5.13.4 , ≤ 5.13.* (semver)
Unaffected: 5.14 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47320",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-23T18:03:03.158182Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:13:50.818Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:32:08.358Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/2e3960f276b4574a9bb0dfa31a7497302f6363b2"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/cef9d9acb7c80ed6bace894b6334557fd493863b"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/8a2b308a54c5ec224fedc753617f99b29ffcd883"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/0704f617040c397ae73c1f88f3956787ec5d6529"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/d0b32dc1409f7e65e4fcc34e236462268e69a357"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/4b515308ab875c7e8ada8e606fe0c64762da5ed4"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/687cf32865b2d6960214bce523f2afac58dd3cd2"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/1fcb6fcd74a222d9ead54d405842fc763bb86262"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/nfs/nfs3proc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "2e3960f276b4574a9bb0dfa31a7497302f6363b2",
              "status": "affected",
              "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
              "versionType": "git"
            },
            {
              "lessThan": "cef9d9acb7c80ed6bace894b6334557fd493863b",
              "status": "affected",
              "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
              "versionType": "git"
            },
            {
              "lessThan": "8a2b308a54c5ec224fedc753617f99b29ffcd883",
              "status": "affected",
              "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
              "versionType": "git"
            },
            {
              "lessThan": "0704f617040c397ae73c1f88f3956787ec5d6529",
              "status": "affected",
              "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
              "versionType": "git"
            },
            {
              "lessThan": "d0b32dc1409f7e65e4fcc34e236462268e69a357",
              "status": "affected",
              "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
              "versionType": "git"
            },
            {
              "lessThan": "4b515308ab875c7e8ada8e606fe0c64762da5ed4",
              "status": "affected",
              "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
              "versionType": "git"
            },
            {
              "lessThan": "c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38",
              "status": "affected",
              "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
              "versionType": "git"
            },
            {
              "lessThan": "687cf32865b2d6960214bce523f2afac58dd3cd2",
              "status": "affected",
              "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
              "versionType": "git"
            },
            {
              "lessThan": "1fcb6fcd74a222d9ead54d405842fc763bb86262",
              "status": "affected",
              "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/nfs/nfs3proc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.14"
            },
            {
              "lessThan": "3.14",
              "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"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.4.276",
                  "versionStartIncluding": "3.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.9.276",
                  "versionStartIncluding": "3.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.14.240",
                  "versionStartIncluding": "3.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.198",
                  "versionStartIncluding": "3.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.134",
                  "versionStartIncluding": "3.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.52",
                  "versionStartIncluding": "3.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.12.19",
                  "versionStartIncluding": "3.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.13.4",
                  "versionStartIncluding": "3.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.14",
                  "versionStartIncluding": "3.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfs: fix acl memory leak of posix_acl_create()\n\nWhen looking into another nfs xfstests report, I found acl and\ndefault_acl in nfs3_proc_create() and nfs3_proc_mknod() error\npaths are possibly leaked. Fix them in advance."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T13:52:13.084Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/2e3960f276b4574a9bb0dfa31a7497302f6363b2"
        },
        {
          "url": "https://git.kernel.org/stable/c/cef9d9acb7c80ed6bace894b6334557fd493863b"
        },
        {
          "url": "https://git.kernel.org/stable/c/8a2b308a54c5ec224fedc753617f99b29ffcd883"
        },
        {
          "url": "https://git.kernel.org/stable/c/0704f617040c397ae73c1f88f3956787ec5d6529"
        },
        {
          "url": "https://git.kernel.org/stable/c/d0b32dc1409f7e65e4fcc34e236462268e69a357"
        },
        {
          "url": "https://git.kernel.org/stable/c/4b515308ab875c7e8ada8e606fe0c64762da5ed4"
        },
        {
          "url": "https://git.kernel.org/stable/c/c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38"
        },
        {
          "url": "https://git.kernel.org/stable/c/687cf32865b2d6960214bce523f2afac58dd3cd2"
        },
        {
          "url": "https://git.kernel.org/stable/c/1fcb6fcd74a222d9ead54d405842fc763bb86262"
        }
      ],
      "title": "nfs: fix acl memory leak of posix_acl_create()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47320",
    "datePublished": "2024-05-21T14:35:35.205Z",
    "dateReserved": "2024-05-21T14:28:16.974Z",
    "dateUpdated": "2026-05-11T13:52:13.084Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-47320",
      "date": "2026-09-19",
      "epss": "0.00259",
      "percentile": "0.17894"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "8A405F5C-A3EA-404F-B063-4D28AD47BC3D",
                  "versionEndExcluding": "4.4.276",
                  "versionStartIncluding": "3.14",
                  "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"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfs: fix acl memory leak of posix_acl_create()\n\nWhen looking into another nfs xfstests report, I found acl and\ndefault_acl in nfs3_proc_create() and nfs3_proc_mknod() error\npaths are possibly leaked. Fix them in advance."
        },
        {
          "lang": "es",
          "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: nfs: corrige la p\u00e9rdida de memoria acl de posix_acl_create(). Al buscar en otro informe de nfs xfstests, encontr\u00e9 que acl y default_acl en nfs3_proc_create() y las rutas de error de nfs3_proc_mknod() posiblemente se hayan filtrado. Arr\u00e9glelos con anticipaci\u00f3n."
        }
      ],
      "id": "CVE-2021-47320",
      "lastModified": "2024-12-24T16:27:02.330",
      "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": "2024-05-21T15:15:19.220",
      "references": [
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/0704f617040c397ae73c1f88f3956787ec5d6529"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/1fcb6fcd74a222d9ead54d405842fc763bb86262"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/2e3960f276b4574a9bb0dfa31a7497302f6363b2"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/4b515308ab875c7e8ada8e606fe0c64762da5ed4"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/687cf32865b2d6960214bce523f2afac58dd3cd2"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/8a2b308a54c5ec224fedc753617f99b29ffcd883"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/cef9d9acb7c80ed6bace894b6334557fd493863b"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/d0b32dc1409f7e65e4fcc34e236462268e69a357"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/0704f617040c397ae73c1f88f3956787ec5d6529"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/1fcb6fcd74a222d9ead54d405842fc763bb86262"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/2e3960f276b4574a9bb0dfa31a7497302f6363b2"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/4b515308ab875c7e8ada8e606fe0c64762da5ed4"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/687cf32865b2d6960214bce523f2afac58dd3cd2"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/8a2b308a54c5ec224fedc753617f99b29ffcd883"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/cef9d9acb7c80ed6bace894b6334557fd493863b"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/d0b32dc1409f7e65e4fcc34e236462268e69a357"
        }
      ],
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Analyzed",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-401"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "fs/nfs/nfs3proc.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "2e3960f276b4574a9bb0dfa31a7497302f6363b2",
                    "status": "affected",
                    "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "cef9d9acb7c80ed6bace894b6334557fd493863b",
                    "status": "affected",
                    "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "8a2b308a54c5ec224fedc753617f99b29ffcd883",
                    "status": "affected",
                    "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "0704f617040c397ae73c1f88f3956787ec5d6529",
                    "status": "affected",
                    "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "d0b32dc1409f7e65e4fcc34e236462268e69a357",
                    "status": "affected",
                    "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "4b515308ab875c7e8ada8e606fe0c64762da5ed4",
                    "status": "affected",
                    "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38",
                    "status": "affected",
                    "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "687cf32865b2d6960214bce523f2afac58dd3cd2",
                    "status": "affected",
                    "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "1fcb6fcd74a222d9ead54d405842fc763bb86262",
                    "status": "affected",
                    "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                    "versionType": "git"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "fs/nfs/nfs3proc.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "3.14"
                  },
                  {
                    "lessThan": "3.14",
                    "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": "8A405F5C-A3EA-404F-B063-4D28AD47BC3D",
                    "versionEndExcluding": "4.4.276",
                    "versionStartIncluding": "3.14",
                    "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\nnfs: fix acl memory leak of posix_acl_create()\n\nWhen looking into another nfs xfstests report, I found acl and\ndefault_acl in nfs3_proc_create() and nfs3_proc_mknod() error\npaths are possibly leaked. Fix them in advance."
          },
          {
            "lang": "es",
            "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: nfs: corrige la p\u00e9rdida de memoria acl de posix_acl_create(). Al buscar en otro informe de nfs xfstests, encontr\u00e9 que acl y default_acl en nfs3_proc_create() y las rutas de error de nfs3_proc_mknod() posiblemente se hayan filtrado. Arr\u00e9glelos con anticipaci\u00f3n."
          }
        ],
        "id": "CVE-2021-47320",
        "lastModified": "2026-06-17T04:17:11.237",
        "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-2021-47320",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-23T18:03:03.158182Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2024-05-21T15:15:19.220",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/0704f617040c397ae73c1f88f3956787ec5d6529"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/1fcb6fcd74a222d9ead54d405842fc763bb86262"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/2e3960f276b4574a9bb0dfa31a7497302f6363b2"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/4b515308ab875c7e8ada8e606fe0c64762da5ed4"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/687cf32865b2d6960214bce523f2afac58dd3cd2"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/8a2b308a54c5ec224fedc753617f99b29ffcd883"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/cef9d9acb7c80ed6bace894b6334557fd493863b"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/d0b32dc1409f7e65e4fcc34e236462268e69a357"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/0704f617040c397ae73c1f88f3956787ec5d6529"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/1fcb6fcd74a222d9ead54d405842fc763bb86262"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/2e3960f276b4574a9bb0dfa31a7497302f6363b2"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/4b515308ab875c7e8ada8e606fe0c64762da5ed4"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/687cf32865b2d6960214bce523f2afac58dd3cd2"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/8a2b308a54c5ec224fedc753617f99b29ffcd883"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/cef9d9acb7c80ed6bace894b6334557fd493863b"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/d0b32dc1409f7e65e4fcc34e236462268e69a357"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-401"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T14:11:06+00:00",
      "cve": "CVE-2021-47320",
      "id": "CVE-2021-47320",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_affected": "90",
      "product_status:known_not_affected": "108",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: nfs: fix acl memory leak of posix_acl_create()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-47320.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T01:56:15Z",
      "cve": "CVE-2021-47320",
      "id": "CVE-2021-47320",
      "initial_release_date": "2024-05-23T03:04:44Z",
      "product_status:known_affected": "420",
      "product_status:known_not_affected": "207",
      "product_status:recommended": "219",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2021-47320",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-47320.json",
      "version": "60"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-04T05:32:08.358Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/2e3960f276b4574a9bb0dfa31a7497302f6363b2"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/cef9d9acb7c80ed6bace894b6334557fd493863b"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/8a2b308a54c5ec224fedc753617f99b29ffcd883"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/0704f617040c397ae73c1f88f3956787ec5d6529"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/d0b32dc1409f7e65e4fcc34e236462268e69a357"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/4b515308ab875c7e8ada8e606fe0c64762da5ed4"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/687cf32865b2d6960214bce523f2afac58dd3cd2"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/1fcb6fcd74a222d9ead54d405842fc763bb86262"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-47320",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-05-23T18:03:03.158182Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-05-23T18:03:07.031Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "fs/nfs/nfs3proc.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "2e3960f276b4574a9bb0dfa31a7497302f6363b2",
                  "status": "affected",
                  "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                  "versionType": "git"
                },
                {
                  "lessThan": "cef9d9acb7c80ed6bace894b6334557fd493863b",
                  "status": "affected",
                  "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                  "versionType": "git"
                },
                {
                  "lessThan": "8a2b308a54c5ec224fedc753617f99b29ffcd883",
                  "status": "affected",
                  "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                  "versionType": "git"
                },
                {
                  "lessThan": "0704f617040c397ae73c1f88f3956787ec5d6529",
                  "status": "affected",
                  "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                  "versionType": "git"
                },
                {
                  "lessThan": "d0b32dc1409f7e65e4fcc34e236462268e69a357",
                  "status": "affected",
                  "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                  "versionType": "git"
                },
                {
                  "lessThan": "4b515308ab875c7e8ada8e606fe0c64762da5ed4",
                  "status": "affected",
                  "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                  "versionType": "git"
                },
                {
                  "lessThan": "c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38",
                  "status": "affected",
                  "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                  "versionType": "git"
                },
                {
                  "lessThan": "687cf32865b2d6960214bce523f2afac58dd3cd2",
                  "status": "affected",
                  "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                  "versionType": "git"
                },
                {
                  "lessThan": "1fcb6fcd74a222d9ead54d405842fc763bb86262",
                  "status": "affected",
                  "version": "013cdf1088d7235da9477a2375654921d9b9ba9f",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "fs/nfs/nfs3proc.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "3.14"
                },
                {
                  "lessThan": "3.14",
                  "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"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "4.4.276",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "4.9.276",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "4.14.240",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "4.19.198",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.4.134",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.52",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.12.19",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.13.4",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.14",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfs: fix acl memory leak of posix_acl_create()\n\nWhen looking into another nfs xfstests report, I found acl and\ndefault_acl in nfs3_proc_create() and nfs3_proc_mknod() error\npaths are possibly leaked. Fix them in advance."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T13:52:13.084Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/2e3960f276b4574a9bb0dfa31a7497302f6363b2"
            },
            {
              "url": "https://git.kernel.org/stable/c/cef9d9acb7c80ed6bace894b6334557fd493863b"
            },
            {
              "url": "https://git.kernel.org/stable/c/8a2b308a54c5ec224fedc753617f99b29ffcd883"
            },
            {
              "url": "https://git.kernel.org/stable/c/0704f617040c397ae73c1f88f3956787ec5d6529"
            },
            {
              "url": "https://git.kernel.org/stable/c/d0b32dc1409f7e65e4fcc34e236462268e69a357"
            },
            {
              "url": "https://git.kernel.org/stable/c/4b515308ab875c7e8ada8e606fe0c64762da5ed4"
            },
            {
              "url": "https://git.kernel.org/stable/c/c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38"
            },
            {
              "url": "https://git.kernel.org/stable/c/687cf32865b2d6960214bce523f2afac58dd3cd2"
            },
            {
              "url": "https://git.kernel.org/stable/c/1fcb6fcd74a222d9ead54d405842fc763bb86262"
            }
          ],
          "title": "nfs: fix acl memory leak of posix_acl_create()",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2021-47320",
        "datePublished": "2024-05-21T14:35:35.205Z",
        "dateReserved": "2024-05-21T14:28:16.974Z",
        "dateUpdated": "2026-05-11T13:52:13.084Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
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.


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.