{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2012-10-31T00:00:00", "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2013-01-04T10:00:00", "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=8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664"}, {"name": "USN-1644-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1644-1"}, {"name": "USN-1645-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1645-1"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.19"}, {"name": "USN-1647-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1647-1"}, {"name": "RHSA-2012:1580", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2012-1580.html"}, {"name": "USN-1652-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1652-1"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/torvalds/linux/commit/8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=871848"}, {"name": "USN-1646-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1646-1"}, {"name": "USN-1651-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1651-1"}, {"name": "FEDORA-2012-17479", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html"}, {"name": "USN-1648-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1648-1"}, {"name": "56346", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/56346"}, {"name": "[oss-security] 20121031 Re: CVE Request -- kernel: net: divide by zero in tcp algorithm illinois", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2012/10/31/5"}, {"name": "USN-1649-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1649-1"}, {"name": "USN-1650-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1650-1"}, {"name": "51409", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/51409"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T20:42:54.946Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664"}, {"name": "USN-1644-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1644-1"}, {"name": "USN-1645-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1645-1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.19"}, {"name": "USN-1647-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1647-1"}, {"name": "RHSA-2012:1580", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2012-1580.html"}, {"name": "USN-1652-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1652-1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/torvalds/linux/commit/8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=871848"}, {"name": "USN-1646-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1646-1"}, {"name": "USN-1651-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1651-1"}, {"name": "FEDORA-2012-17479", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html"}, {"name": "USN-1648-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1648-1"}, {"name": "56346", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/56346"}, {"name": "[oss-security] 20121031 Re: CVE Request -- kernel: net: divide by zero in tcp algorithm illinois", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2012/10/31/5"}, {"name": "USN-1649-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1649-1"}, {"name": "USN-1650-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1650-1"}, {"name": "51409", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/51409"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2012-4565", "datePublished": "2012-12-21T11:00:00", "dateReserved": "2012-08-21T00:00:00", "dateUpdated": "2024-08-06T20:42:54.946Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "616FD087-A19A-4413-B6EC-F859A35EADDC", "versionEndIncluding": "3.4.18", "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", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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"}], "id": "CVE-2012-4565", "lastModified": "2025-04-11T00:51:21.963", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-12-21T11:47:36.627", "references": [{"source": "secalert@redhat.com", "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", "tags": ["Exploit"], "url": "https://github.com/torvalds/linux/commit/8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "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", "tags": ["Exploit"], "url": "https://github.com/torvalds/linux/commit/8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Rodrigo Freire (Red Hat).", "affected_release": [{"advisory": "RHSA-2012:1580", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-279.19.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-12-18T00:00:00Z"}, {"advisory": "RHSA-2012:1491", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-0:3.2.33-rt50.66.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2012-12-04T00:00:00Z"}], "bugzilla": {"description": "kernel: net: divide by zero in tcp algorithm illinois", "id": "871848", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=871848"}, "csaw": false, "cvss": {"cvss_base_score": "4.7", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "status": "verified"}, "details": ["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."], "name": "CVE-2012-4565", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2012-10-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-4565\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-4565"], "statement": "This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 5.\nThis issue did affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 6.\nThis issue did affect the version of Linux kernel as shipped with Red Hat Enterprise MRG 2.", "threat_severity": "Moderate"}