CVE-2012-4565 (GCVE-0-2012-4565)

Vulnerability from cvelistv5 – Published: 2012-12-21 11:00 – Updated: 2024-08-06 20:42
VLAI?
Summary
The tcp_illinois_info function in net/ipv4/tcp_illinois.c in the Linux kernel before 3.4.19, when the net.ipv4.tcp_congestion_control illinois setting is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) by reading TCP stats.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
http://git.kernel.org/?p=linux/kernel/git/torvald… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-1644-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-1645-1 vendor-advisoryx_refsource_UBUNTU
http://www.kernel.org/pub/linux/kernel/v3.x/Chang… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-1647-1 vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2012-1580.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-1652-1 vendor-advisoryx_refsource_UBUNTU
https://github.com/torvalds/linux/commit/8f363b77… x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=871848 x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-1646-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-1651-1 vendor-advisoryx_refsource_UBUNTU
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.ubuntu.com/usn/USN-1648-1 vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/56346 vdb-entryx_refsource_BID
http://www.openwall.com/lists/oss-security/2012/10/31/5 mailing-listx_refsource_MLIST
http://www.ubuntu.com/usn/USN-1649-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-1650-1 vendor-advisoryx_refsource_UBUNTU
http://secunia.com/advisories/51409 third-party-advisoryx_refsource_SECUNIA
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      "lastModified": "2024-11-21T01:43:08.920",
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      "published": "2012-12-21T11:47:36.627",
      "references": "[{\"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2012-1580.html\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://secunia.com/advisories/51409\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.19\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2012/10/31/5\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.securityfocus.com/bid/56346\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1644-1\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1645-1\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1646-1\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1647-1\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1648-1\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1649-1\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1650-1\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1651-1\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1652-1\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=871848\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://github.com/torvalds/linux/commit/8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Exploit\"]}, {\"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2012-1580.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://secunia.com/advisories/51409\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.19\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2012/10/31/5\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.securityfocus.com/bid/56346\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1644-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1645-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1646-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1647-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1648-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1649-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1650-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1651-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-1652-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=871848\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://github.com/torvalds/linux/commit/8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\"]}]",
      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-189\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2012-4565\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2012-12-21T11:47:36.627\",\"lastModified\":\"2025-04-11T00:51:21.963\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The tcp_illinois_info function in net/ipv4/tcp_illinois.c in the Linux kernel before 3.4.19, when the net.ipv4.tcp_congestion_control illinois setting is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) by reading TCP stats.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n tcp_illinois_info en net/ipv4/tcp_illinois.c en el kernel de Linux antes de v3.4.19, cuando la opci\u00f3n net.ipv4.tcp_congestion_control illinois est\u00e1 habilitada, permite a usuarios locales provocar una denegaci\u00f3n de servicio (divisi\u00f3n por cero y ca\u00edda) mediante la lectura de estad\u00edsticas TCP.\\r\\n\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:M/Au:N/C:N/I:N/A:C\",\"baseScore\":4.7,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.4,\"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-189\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"3.4.18\",\"matchCriteriaId\":\"616FD087-A19A-4413-B6EC-F859A35EADDC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A0F36FAC-141D-476D-84C5-A558C199F904\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"51D64824-25F6-4761-BD6A-29038A143744\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E284C8A1-740F-454D-A774-99CD3A21B594\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C70D72AE-0CBF-4324-9935-57E28EC6279C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F674B06B-7E86-4E41-9126-8152D0DDABAE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7039B3EC-8B22-413E-B582-B4BEC6181241\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"35CF1DD2-80B9-4476-8963-5C3EF52B33F4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BFB0B05B-A5CE-4B9C-AE7F-83062868D35B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.9:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D166A66E-7454-47EC-BB56-861A9AFEAFE1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7DA94F50-2A62-4300-BF4D-A342AAE35629\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"252D937B-50DC-444F-AE73-5FCF6203DF27\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.12:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F6D8EE51-02C1-47BC-A92C-0A8ABEFD28FF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F20A5D7-3B38-4911-861A-04C8310D5916\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.14:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D472DE3A-71D8-4F40-9DDE-85929A2B047D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.15:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B2AED943-65A8-4FDB-BBD0-CCEF8682A48C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D4640185-F3D8-4575-A71D-4C889A93DE2C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"144CCF7C-025E-4879-B2E7-ABB8E4390BE5\"}]}]}],\"references\":[{\"url\":\"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2012-1580.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://secunia.com/advisories/51409\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.19\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2012/10/31/5\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securityfocus.com/bid/56346\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1644-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1645-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1646-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1647-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1648-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1649-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1650-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1651-1\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  }
}


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Sightings

Author Source Type Date

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.