cve-2018-1093
Vulnerability from cvelistv5
Published
2018-04-02 03:00
Modified
2024-08-05 03:51
Severity ?
Summary
The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers.
References
secalert@redhat.comhttp://openwall.com/lists/oss-security/2018/03/29/1Mailing List
secalert@redhat.comhttps://bugzilla.kernel.org/show_bug.cgi?id=199181Issue Tracking
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1560782Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6fPatch
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2018/06/msg00000.html
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2018/07/msg00015.html
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2018/07/msg00016.html
secalert@redhat.comhttps://usn.ubuntu.com/3676-1/
secalert@redhat.comhttps://usn.ubuntu.com/3676-2/
secalert@redhat.comhttps://usn.ubuntu.com/3752-1/
secalert@redhat.comhttps://usn.ubuntu.com/3752-2/
secalert@redhat.comhttps://usn.ubuntu.com/3752-3/
secalert@redhat.comhttps://usn.ubuntu.com/3754-1/
secalert@redhat.comhttps://www.debian.org/security/2018/dsa-4188
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2018/03/29/1Mailing List
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.kernel.org/show_bug.cgi?id=199181Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1560782Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6fPatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3676-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3676-2/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3752-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3752-2/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3752-3/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3754-1/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4188
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T03:51:49.081Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "USN-3752-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3752-2/"
          },
          {
            "name": "USN-3676-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3676-1/"
          },
          {
            "name": "[debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://openwall.com/lists/oss-security/2018/03/29/1"
          },
          {
            "name": "USN-3752-3",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3752-3/"
          },
          {
            "name": "[debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html"
          },
          {
            "name": "[debian-lts-announce] 20180601 [SECURITY] [DLA 1392-1] linux security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.kernel.org/show_bug.cgi?id=199181"
          },
          {
            "name": "DSA-4188",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4188"
          },
          {
            "name": "USN-3754-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3754-1/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6f"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1560782"
          },
          {
            "name": "USN-3676-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3676-2/"
          },
          {
            "name": "USN-3752-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3752-1/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Linux kernel through version 4.15",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Linux kernel through version 4.15"
            }
          ]
        }
      ],
      "datePublic": "2018-04-01T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "out-of-bounds read",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-08-29T09:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "USN-3752-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3752-2/"
        },
        {
          "name": "USN-3676-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3676-1/"
        },
        {
          "name": "[debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://openwall.com/lists/oss-security/2018/03/29/1"
        },
        {
          "name": "USN-3752-3",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3752-3/"
        },
        {
          "name": "[debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html"
        },
        {
          "name": "[debian-lts-announce] 20180601 [SECURITY] [DLA 1392-1] linux security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.kernel.org/show_bug.cgi?id=199181"
        },
        {
          "name": "DSA-4188",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2018/dsa-4188"
        },
        {
          "name": "USN-3754-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3754-1/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6f"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1560782"
        },
        {
          "name": "USN-3676-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3676-2/"
        },
        {
          "name": "USN-3752-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3752-1/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2018-1093",
    "datePublished": "2018-04-02T03:00:00",
    "dateReserved": "2017-12-04T00:00:00",
    "dateUpdated": "2024-08-05T03:51:49.081Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2018-1093\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2018-04-02T03:29:00.307\",\"lastModified\":\"2024-11-21T03:59:10.063\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n ext4_valid_block_bitmap en fs/ext4/balloc.c en el kernel de Linux hasta la versi\u00f3n 4.15.15 permite que los atacantes provoquen un denegaci\u00f3n de servicio (lectura fuera de l\u00edmites y cierre inesperado del sistema) mediante una imagen ext4 manipulada dado que balloc.c y ialloc.c no validan los n\u00fameros de los bloques de mapa de bits.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:C\",\"baseScore\":7.1,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":8.6,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"4.15.15\",\"matchCriteriaId\":\"EA4F2AD9-993F-4246-B6F9-7723FF82AF6C\"}]}]}],\"references\":[{\"url\":\"http://openwall.com/lists/oss-security/2018/03/29/1\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\"]},{\"url\":\"https://bugzilla.kernel.org/show_bug.cgi?id=199181\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1560782\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6f\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://usn.ubuntu.com/3676-1/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://usn.ubuntu.com/3676-2/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://usn.ubuntu.com/3752-1/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://usn.ubuntu.com/3752-2/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://usn.ubuntu.com/3752-3/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://usn.ubuntu.com/3754-1/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://www.debian.org/security/2018/dsa-4188\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://openwall.com/lists/oss-security/2018/03/29/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\"]},{\"url\":\"https://bugzilla.kernel.org/show_bug.cgi?id=199181\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1560782\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/3676-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/3676-2/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/3752-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/3752-2/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/3752-3/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/3754-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.debian.org/security/2018/dsa-4188\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.