cve-2020-14314
Vulnerability from cvelistv5
Published
2020-09-15 00:00
Modified
2024-08-04 12:39
Severity
Summary
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.
Impacted products
VendorProduct
Linux Kernelkernel
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:39:36.409Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5872331b3d91820e14716632ebb56b1399b34fe1"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lore.kernel.org/linux-ext4/f53e246b-647c-64bb-16ec-135383c70ad7%40redhat.com/T/#u"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14314"
          },
          {
            "name": "[debian-lts-announce] 20200928 [SECURITY] [DLA 2385-1] linux-4.19 security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html"
          },
          {
            "name": "USN-4576-1",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4576-1/"
          },
          {
            "name": "USN-4578-1",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4578-1/"
          },
          {
            "name": "USN-4579-1",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4579-1/"
          },
          {
            "name": "[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"
          },
          {
            "name": "[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.starwindsoftware.com/security/sw-20210325-0003/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "kernel",
          "vendor": "Linux Kernel",
          "versions": [
            {
              "status": "affected",
              "version": "before 5.9-rc2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-11T00:00:00",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5872331b3d91820e14716632ebb56b1399b34fe1"
        },
        {
          "url": "https://lore.kernel.org/linux-ext4/f53e246b-647c-64bb-16ec-135383c70ad7%40redhat.com/T/#u"
        },
        {
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14314"
        },
        {
          "name": "[debian-lts-announce] 20200928 [SECURITY] [DLA 2385-1] linux-4.19 security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html"
        },
        {
          "name": "USN-4576-1",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://usn.ubuntu.com/4576-1/"
        },
        {
          "name": "USN-4578-1",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://usn.ubuntu.com/4578-1/"
        },
        {
          "name": "USN-4579-1",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://usn.ubuntu.com/4579-1/"
        },
        {
          "name": "[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"
        },
        {
          "name": "[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"
        },
        {
          "url": "https://www.starwindsoftware.com/security/sw-20210325-0003/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2020-14314",
    "datePublished": "2020-09-15T00:00:00",
    "dateReserved": "2020-06-17T00:00:00",
    "dateUpdated": "2024-08-04T12:39:36.409Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-14314\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2020-09-15T20:15:13.213\",\"lastModified\":\"2023-11-07T03:17:08.473\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.\"},{\"lang\":\"es\",\"value\":\"Se encontr\u00f3 un fallo de lectura de memoria fuera de l\u00edmites en el kernel de Linux versiones anteriores a 5.9-rc2, con el sistema de archivos ext3/ext4, en la manera en que accede a un directorio con indexaci\u00f3n rota.\u0026#xa0;Este fallo permite a un usuario local bloquear el sistema si el directorio existe.\u0026#xa0;La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:P\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":2.1},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"5.8.9\",\"matchCriteriaId\":\"678E32BE-CC08-4699-835A-2F179D44D12D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.9.0:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"21F51360-AF61-433B-9FD9-D7DE742FABF9\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*\",\"matchCriteriaId\":\"815D70A8-47D3-459C-A32C-9FEACA0659D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*\",\"matchCriteriaId\":\"7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"902B8056-9E37-443B-8905-8AA93E2447FB\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12533:*:*:*:vsphere:*:*\",\"matchCriteriaId\":\"0E5C2815-65C8-48D7-BF31-6104EDD0CBE5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12658:*:*:*:vsphere:*:*\",\"matchCriteriaId\":\"6FF4A265-AFFD-4853-B3CE-A55E950E8B5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12859:*:*:*:vsphere:*:*\",\"matchCriteriaId\":\"E6484296-5BA8-408A-A087-A0D86BA50703\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13170:*:*:*:vsphere:*:*\",\"matchCriteriaId\":\"5D31D4A3-7D1E-472F-9BB6-AF889DA7C763\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13586:*:*:*:vsphere:*:*\",\"matchCriteriaId\":\"F67B6B43-FF39-4B05-8704-EDFCED4117E6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13861:*:*:*:vsphere:*:*\",\"matchCriteriaId\":\"C79FA879-7855-467B-A98D-7D914940F9D3\"}]}]}],\"references\":[{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14314\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5872331b3d91820e14716632ebb56b1399b34fe1\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lore.kernel.org/linux-ext4/f53e246b-647c-64bb-16ec-135383c70ad7%40redhat.com/T/#u\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://usn.ubuntu.com/4576-1/\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4578-1/\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4579-1/\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.starwindsoftware.com/security/sw-20210325-0003/\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...