CVE-2011-2695 (GCVE-0-2011-2695)

Vulnerability from cvelistv5 – Published: 2011-07-28 22:00 – Updated: 2024-08-06 23:08
VLAI
Summary
Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T23:08:23.768Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[oss-security] 20110715 Re: CVE Request -- kernel: ext4: kernel panic when writing data to the last block of sparse file",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2011/07/15/8"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f17722f917b2f21497deb6edc62fb1683daa08e6"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=722557"
          },
          {
            "name": "[linux-ext4] 20110603 [PATCH 1/2] ext4: Fix max file size and logical block counting of extent format file",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.spinics.net/lists/linux-ext4/msg25697.html"
          },
          {
            "name": "[oss-security] 20110715 CVE Request -- kernel: ext4: kernel panic when writing data to the last block of sparse file",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2011/07/15/7"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5"
          },
          {
            "name": "45193",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/45193"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2011-07-28T22:00:00.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "[oss-security] 20110715 Re: CVE Request -- kernel: ext4: kernel panic when writing data to the last block of sparse file",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2011/07/15/8"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f17722f917b2f21497deb6edc62fb1683daa08e6"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=722557"
        },
        {
          "name": "[linux-ext4] 20110603 [PATCH 1/2] ext4: Fix max file size and logical block counting of extent format file",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.spinics.net/lists/linux-ext4/msg25697.html"
        },
        {
          "name": "[oss-security] 20110715 CVE Request -- kernel: ext4: kernel panic when writing data to the last block of sparse file",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2011/07/15/7"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5"
        },
        {
          "name": "45193",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/45193"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2011-2695",
    "datePublished": "2011-07-28T22:00:00.000Z",
    "dateReserved": "2011-07-11T00:00:00.000Z",
    "dateUpdated": "2024-08-06T23:08:23.768Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2011-2695",
      "date": "2026-09-21",
      "epss": "0.00451",
      "percentile": "0.38417"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "E0135A6D-9FB7-4E1B-B471-914E37494942",
                  "versionEndExcluding": "3.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:3.0:-:*:*:*:*:*:*",
                  "matchCriteriaId": "2E4912EC-CC92-41CA-A2DA-027291975A84",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*",
                  "matchCriteriaId": "D30AEC07-3CBD-4F4F-9646-BEAA1D98750B",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*",
                  "matchCriteriaId": "C2AA8E68-691B-499C-AEDD-3C0BFFE70044",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*",
                  "matchCriteriaId": "9440475B-5960-4066-A204-F30AAFC87846",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*",
                  "matchCriteriaId": "53BCFBFB-6AF0-4525-8623-7633CC5E17DB",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer."
        },
        {
          "lang": "es",
          "value": "M\u00faltiples errores off-by-one en el subsistema de ext4 en el kernel de Linux antes de v3.0-rc5, permite a usuarios locales provocar una denegaci\u00f3n de servicio (BUG_ON y ca\u00edda del sistema) por acceder a un archivo disperso en el formato de medida con una operaci\u00f3n de escritura con un n\u00famero de bloque correspondiente al mayor n\u00famero posible de un entero de 32 bits sin signo."
        }
      ],
      "id": "CVE-2011-2695",
      "lastModified": "2024-11-21T01:28:46.837",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "LOW",
              "accessVector": "LOCAL",
              "authentication": "NONE",
              "availabilityImpact": "COMPLETE",
              "baseScore": 4.9,
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
              "version": "2.0"
            },
            "exploitabilityScore": 3.9,
            "impactScore": 6.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ]
      },
      "published": "2011-07-28T22:55:02.657",
      "references": [
        {
          "source": "secalert@redhat.com",
          "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f17722f917b2f21497deb6edc62fb1683daa08e6"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "http://secunia.com/advisories/45193"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Broken Link"
          ],
          "url": "http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Mailing List",
            "Third Party Advisory"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2011/07/15/7"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Mailing List",
            "Third Party Advisory"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2011/07/15/8"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Exploit",
            "Patch",
            "Third Party Advisory"
          ],
          "url": "http://www.spinics.net/lists/linux-ext4/msg25697.html"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Issue Tracking",
            "Patch",
            "Third Party Advisory"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=722557"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f17722f917b2f21497deb6edc62fb1683daa08e6"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "http://secunia.com/advisories/45193"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Broken Link"
          ],
          "url": "http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Mailing List",
            "Third Party Advisory"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2011/07/15/7"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Mailing List",
            "Third Party Advisory"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2011/07/15/8"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Exploit",
            "Patch",
            "Third Party Advisory"
          ],
          "url": "http://www.spinics.net/lists/linux-ext4/msg25697.html"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Issue Tracking",
            "Patch",
            "Third Party Advisory"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=722557"
        }
      ],
      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-193"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E0135A6D-9FB7-4E1B-B471-914E37494942",
                    "versionEndExcluding": "3.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:3.0:-:*:*:*:*:*:*",
                    "matchCriteriaId": "2E4912EC-CC92-41CA-A2DA-027291975A84",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*",
                    "matchCriteriaId": "D30AEC07-3CBD-4F4F-9646-BEAA1D98750B",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*",
                    "matchCriteriaId": "C2AA8E68-691B-499C-AEDD-3C0BFFE70044",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*",
                    "matchCriteriaId": "9440475B-5960-4066-A204-F30AAFC87846",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*",
                    "matchCriteriaId": "53BCFBFB-6AF0-4525-8623-7633CC5E17DB",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer."
          },
          {
            "lang": "es",
            "value": "M\u00faltiples errores off-by-one en el subsistema de ext4 en el kernel de Linux antes de v3.0-rc5, permite a usuarios locales provocar una denegaci\u00f3n de servicio (BUG_ON y ca\u00edda del sistema) por acceder a un archivo disperso en el formato de medida con una operaci\u00f3n de escritura con un n\u00famero de bloque correspondiente al mayor n\u00famero posible de un entero de 32 bits sin signo."
          }
        ],
        "id": "CVE-2011-2695",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 4.9,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 6.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2011-07-28T22:55:02.657",
        "references": [
          {
            "source": "secalert@redhat.com",
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f17722f917b2f21497deb6edc62fb1683daa08e6"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://secunia.com/advisories/45193"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Broken Link"
            ],
            "url": "http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2011/07/15/7"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2011/07/15/8"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Exploit",
              "Patch",
              "Third Party Advisory"
            ],
            "url": "http://www.spinics.net/lists/linux-ext4/msg25697.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Issue Tracking",
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=722557"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f17722f917b2f21497deb6edc62fb1683daa08e6"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://secunia.com/advisories/45193"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Broken Link"
            ],
            "url": "http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2011/07/15/7"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2011/07/15/8"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Patch",
              "Third Party Advisory"
            ],
            "url": "http://www.spinics.net/lists/linux-ext4/msg25697.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=722557"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-193"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:56:30+00:00",
      "cve": "CVE-2011-2695",
      "id": "CVE-2011-2695",
      "initial_release_date": "2011-06-03T00:00:00+00:00",
      "product_status:fixed": "185",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ext4: kernel panic when writing data to the last block of sparse file",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-2695.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-02T23:32:42Z",
      "cve": "CVE-2011-2695",
      "id": "CVE-2011-2695",
      "initial_release_date": "2023-02-15T05:52:07Z",
      "product_status:known_not_affected": "495",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2011-2695",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-2695.json",
      "version": "10"
    }
  }
}



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.