{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-10-24T00:00:00", "descriptions": [{"lang": "en", "value": "The net subsystem in the Linux kernel before 3.1 does not properly restrict use of the IFF_TX_SKB_SHARING flag, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability to access /proc/net/pktgen/pgctrl, and then using the pktgen package in conjunction with a bridge device for a VLAN interface."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2015-04-30T14:57:00", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=751006"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/torvalds/linux/commit/550fd08c2cebad61c548def135f67aba284c6162"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://downloads.avaya.com/css/P8/documents/100156038"}, {"name": "[oss-security] 20111121 CVE-2011-4112 kernel: null ptr deref at dev_queue_xmit+0x35/0x4d0", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/11/21/4"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=550fd08c2cebad61c548def135f67aba284c6162"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T00:01:50.510Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=751006"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/torvalds/linux/commit/550fd08c2cebad61c548def135f67aba284c6162"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://downloads.avaya.com/css/P8/documents/100156038"}, {"name": "[oss-security] 20111121 CVE-2011-4112 kernel: null ptr deref at dev_queue_xmit+0x35/0x4d0", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/11/21/4"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=550fd08c2cebad61c548def135f67aba284c6162"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-4112", "datePublished": "2012-05-17T10:00:00", "dateReserved": "2011-10-18T00:00:00", "dateUpdated": "2024-08-07T00:01:50.510Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "156989A4-23D9-434A-B512-9C0F3583D13D", "versionEndExcluding": "3.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:avaya:9608_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F84E862C-FBF3-416E-8EF0-58A84B5F3F73", "versionEndIncluding": "6.6.0", "versionStartIncluding": "6.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:avaya:9608:-:*:*:*:*:*:*:*", "matchCriteriaId": "A19365A8-CCD5-410E-BB2D-1B8C1E995768", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:avaya:9608g_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "83FC5CEA-4EF1-4CA1-9094-6E40DCF3FAC3", "versionEndIncluding": "6.6.0", "versionStartIncluding": "6.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:avaya:9608g:-:*:*:*:*:*:*:*", "matchCriteriaId": "787289FF-AD0C-4E55-9521-F99D26412C35", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:avaya:9611g_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "A8895429-A1B6-4B39-A93F-EDD5D49F03B0", "versionEndIncluding": "6.6.0", "versionStartIncluding": "6.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:avaya:9611g:-:*:*:*:*:*:*:*", "matchCriteriaId": "5CEDBEB4-D9F2-4BBB-940A-D887F2C7A86F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:avaya:9621g_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "BCEA36DC-17F8-4535-AB2E-329C076A8831", "versionEndIncluding": "6.6.0", "versionStartIncluding": "6.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:avaya:9621g:-:*:*:*:*:*:*:*", "matchCriteriaId": "337D5E48-6AC6-4723-862A-1F7A9180322C", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:avaya:9641g_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "3FC48708-1F19-430B-A84A-4F853B247B6B", "versionEndIncluding": "6.6.0", "versionStartIncluding": "6.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:avaya:9641g:-:*:*:*:*:*:*:*", "matchCriteriaId": "0C5EC883-7D5F-48E9-A3A9-A2E2A6903483", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:avaya:9641gs_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "BE9207F2-B3B2-4312-9D32-4FD800AC0463", "versionEndIncluding": "6.6.0", "versionStartIncluding": "6.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:avaya:9641gs:-:*:*:*:*:*:*:*", "matchCriteriaId": "09AF8F44-9695-4F82-9943-4406A3B9879B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The net subsystem in the Linux kernel before 3.1 does not properly restrict use of the IFF_TX_SKB_SHARING flag, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability to access /proc/net/pktgen/pgctrl, and then using the pktgen package in conjunction with a bridge device for a VLAN interface."}, {"lang": "es", "value": "El subsistema de red en el kernel de Linux antes de v3.1 no restringe adecuadamente el uso de la bandera IFF_TX_SKB_SHARING, lo que permite a usuarios locales causar una denegaci\u00f3n de servicio (panic) mediante el aprovechamiento de la funcionalidad CAP_NET_ADMIN para acceder a /proc/net/pktgen/pgctrl para, a continuaci\u00f3n, usar el paquete pktgen junto con un dispositivo de puente para una interfaz VLAN."}], "id": "CVE-2011-4112", "lastModified": "2025-04-11T00:51:21.963", "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}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2012-05-17T11:00:32.757", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://downloads.avaya.com/css/P8/documents/100156038"}, {"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=550fd08c2cebad61c548def135f67aba284c6162"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/11/21/4"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=751006"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/torvalds/linux/commit/550fd08c2cebad61c548def135f67aba284c6162"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://downloads.avaya.com/css/P8/documents/100156038"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=550fd08c2cebad61c548def135f67aba284c6162"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/11/21/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=751006"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/torvalds/linux/commit/550fd08c2cebad61c548def135f67aba284c6162"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: null ptr deref at dev_queue_xmit+0x35/0x4d0", "id": "751006", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=751006"}, "csaw": false, "cvss": {"cvss_base_score": "6.1", "cvss_scoring_vector": "AV:A/AC:L/Au:N/C:N/I:N/A:C", "status": "draft"}, "details": ["The net subsystem in the Linux kernel before 3.1 does not properly restrict use of the IFF_TX_SKB_SHARING flag, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability to access /proc/net/pktgen/pgctrl, and then using the pktgen package in conjunction with a bridge device for a VLAN interface."], "name": "CVE-2011-4112", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2011-07-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-4112\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4112"], "statement": "Red Hat Security Response team does not consider this bug to be security relevant one due to the privileges required to exploit this issue."}

{}