CVE-2011-1076 (GCVE-0-2011-1076)

Vulnerability from cvelistv5 – Published: 2011-10-05 01:00 – Updated: 2024-08-06 22:14
VLAI
Summary
net/dns_resolver/dns_key.c in the Linux kernel before 2.6.38 allows remote DNS servers to cause a denial of service (NULL pointer dereference and OOPS) by not providing a valid response to a DNS query, as demonstrated by an erroneous grand.centrall.org query, which triggers improper handling of error data within a DNS resolver key.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T22:14:27.772Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1362fa078dae16776cd439791c6605b224ea6171"
          },
          {
            "name": "[oss-security] 20110304 CVE-2011-1076 kernel: DNS: Fix a NULL pointer deref when trying to read an error key",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://openwall.com/lists/oss-security/2011/03/04/13"
          },
          {
            "name": "1025162",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://securitytracker.com/id?1025162"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "net/dns_resolver/dns_key.c in the Linux kernel before 2.6.38 allows remote DNS servers to cause a denial of service (NULL pointer dereference and OOPS) by not providing a valid response to a DNS query, as demonstrated by an erroneous grand.centrall.org query, which triggers improper handling of error data within a DNS resolver key."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2011-10-05T01:00:00.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1362fa078dae16776cd439791c6605b224ea6171"
        },
        {
          "name": "[oss-security] 20110304 CVE-2011-1076 kernel: DNS: Fix a NULL pointer deref when trying to read an error key",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://openwall.com/lists/oss-security/2011/03/04/13"
        },
        {
          "name": "1025162",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://securitytracker.com/id?1025162"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2011-1076",
    "datePublished": "2011-10-05T01:00:00.000Z",
    "dateReserved": "2011-02-24T00:00:00.000Z",
    "dateUpdated": "2024-08-06T22:14:27.772Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2011-1076",
      "date": "2026-07-22",
      "epss": "0.00516",
      "percentile": "0.40773"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"2.6.38\", \"matchCriteriaId\": \"9988A98F-3440-467E-8ADA-1E413DC25C21\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"net/dns_resolver/dns_key.c in the Linux kernel before 2.6.38 allows remote DNS servers to cause a denial of service (NULL pointer dereference and OOPS) by not providing a valid response to a DNS query, as demonstrated by an erroneous grand.centrall.org query, which triggers improper handling of error data within a DNS resolver key.\"}, {\"lang\": \"es\", \"value\": \"net/dns_resolver/dns_key.c del kernel de Linux en versiones anteriores a la 2.6.38 permite a servidores DNS remotos provocar una denegaci\\u00f3n de servicio (resoluci\\u00f3n de puntero NULL y OOPS) no proporcionando una respuesta v\\u00e1lida a una petici\\u00f3n DNS, como se ha demostrado por una petici\\u00f3n err\\u00f3nea a grand.centrall.org, lo que provoca un manejo err\\u00f3neo de datos de error dentro una \\\"DNS resolver key\\\".\"}]",
      "id": "CVE-2011-1076",
      "lastModified": "2024-11-21T01:25:28.120",
      "metrics": "{\"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:N/I:N/A:C\", \"baseScore\": 4.9, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 3.9, \"impactScore\": 6.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2011-10-05T02:56:24.627",
      "references": "[{\"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1362fa078dae16776cd439791c6605b224ea6171\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://openwall.com/lists/oss-security/2011/03/04/13\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Exploit\", \"Mailing List\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"http://securitytracker.com/id?1025162\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Broken Link\"]}, {\"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1362fa078dae16776cd439791c6605b224ea6171\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://openwall.com/lists/oss-security/2011/03/04/13\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Mailing List\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"http://securitytracker.com/id?1025162\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Broken Link\"]}]",
      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-476\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2011-1076\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2011-10-05T02:56:24.627\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"net/dns_resolver/dns_key.c in the Linux kernel before 2.6.38 allows remote DNS servers to cause a denial of service (NULL pointer dereference and OOPS) by not providing a valid response to a DNS query, as demonstrated by an erroneous grand.centrall.org query, which triggers improper handling of error data within a DNS resolver key.\"},{\"lang\":\"es\",\"value\":\"net/dns_resolver/dns_key.c del kernel de Linux en versiones anteriores a la 2.6.38 permite a servidores DNS remotos provocar una denegaci\u00f3n de servicio (resoluci\u00f3n de puntero NULL y OOPS) no proporcionando una respuesta v\u00e1lida a una petici\u00f3n DNS, como se ha demostrado por una petici\u00f3n err\u00f3nea a grand.centrall.org, lo que provoca un manejo err\u00f3neo de datos de error dentro una \\\"DNS resolver key\\\".\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:C\",\"baseScore\":4.9,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.6.38\",\"matchCriteriaId\":\"9988A98F-3440-467E-8ADA-1E413DC25C21\"}]}]}],\"references\":[{\"url\":\"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1362fa078dae16776cd439791c6605b224ea6171\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://openwall.com/lists/oss-security/2011/03/04/13\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Exploit\",\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"http://securitytracker.com/id?1025162\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Broken Link\"]},{\"url\":\"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1362fa078dae16776cd439791c6605b224ea6171\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://openwall.com/lists/oss-security/2011/03/04/13\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"http://securitytracker.com/id?1025162\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\"]}]}}",
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2025-10-08T01:18:38Z",
      "cve": "CVE-2011-1076",
      "id": "CVE-2011-1076",
      "initial_release_date": "2023-02-15T05:54:06Z",
      "product_status:known_not_affected": "357",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2011-1076",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-1076.json",
      "version": "8"
    }
  }
}



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.