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FKIE_CVE-2019-19447

Vulnerability from fkie_nvd - Published: 2019-12-08 01:15 - Updated: 2026-06-17 02:26
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orphan_list in fs/ext4/super.c.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlThird Party Advisory
cve@mitre.orghttps://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19447Exploit, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlThird Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlThird Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlThird Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20200103-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19447Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20200103-0001/Third Party Advisory
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 *
netapp active_iq_unified_manager -
netapp cloud_backup -
netapp data_availability_services -
netapp hci_baseboard_management_controller h610s
netapp steelstore_cloud_integrated_storage -
netapp solidfire_baseboard_management_controller -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orphan_list in fs/ext4/super.c."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux versi\u00f3n 5.0.21, montando una imagen de sistema de archivos ext4 dise\u00f1ada, al realizar algunas operaciones y desmontarla puede conllevar a un uso de la memoria previamente liberada en la funci\u00f3n ext4_put_super en el archivo fs/ext4/super.c, relacionado con la funci\u00f3n dump_orphan_list en el archivo fs/ext4/super.do."
    }
  ],
  "id": "CVE-2019-19447",
  "lastModified": "2026-06-17T02:26:40.147",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-12-08T01:15:10.383",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"
    },
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    {
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      "tags": [
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    },
    {
      "source": "cve@mitre.org",
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      "url": "https://security.netapp.com/advisory/ntap-20200103-0001/"
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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