{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging connectivity to a network interface that uses an Ethernet bridge device."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2013-06-08T10:00:00.000Z"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=730917"}, {"name": "[oss-security] 20111024 kernel; CVE-2011-2942 and CVE-2011-3209", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/10/24/3"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T23:15:32.027Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=730917"}, {"name": "[oss-security] 20111024 kernel; CVE-2011-2942 and CVE-2011-3209", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/10/24/3"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-2942", "state": "PUBLISHED", "dateReserved": "2011-07-27T00:00:00.000Z", "datePublished": "2013-06-08T10:00:00.000Z", "dateUpdated": "2024-08-06T23:15:32.027Z"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.18:*:*:*:*:*:*:*", "matchCriteriaId": "C06F0037-DE20-4B4A-977F-BFCFAB026517", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*", "matchCriteriaId": "AA9B3CC0-DF1C-4A86-B2A3-A9D428A5A6E6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging connectivity to a network interface that uses an Ethernet bridge device."}, {"lang": "es", "value": "Un parche de Red Hat para la funci\u00f3n __br_deliver en net/bridge/br_forward.c en el Kernel de Linux v2.6.18 en Red Hat Enterprise Linux (RHEL) 5 permite a atacantes remotos causar una denegaci\u00f3n de servicio (NULL pointer dereference y ca\u00edda del sistema) o posiblemente tener otro impacto no especificado mediante el aprovechamiento de la conectividad con una interfaz de red que utiliza un dispositivo Ethernet puente."}], "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n\r\n'CWE-476: NULL Pointer Dereference'", "id": "CVE-2011-2942", "lastModified": "2026-04-29T01:13:23.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-06-08T13:05:55.130", "references": [{"source": "[email protected]", "url": "http://www.openwall.com/lists/oss-security/2011/10/24/3"}, {"source": "[email protected]", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=730917"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/10/24/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=730917"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "[email protected]", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:1386", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-274.7.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-10-20T00:00:00Z"}], "bugzilla": {"description": "kernel: bridge: null pointer dereference in __br_deliver", "id": "730917", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=730917"}, "csaw": false, "cvss": {"cvss_base_score": "6.1", "cvss_scoring_vector": "AV:A/AC:L/Au:N/C:N/I:N/A:C", "status": "verified"}, "cwe": "CWE-476", "details": ["A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging connectivity to a network interface that uses an Ethernet bridge device."], "name": "CVE-2011-2942", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "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": "2011-10-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2942\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2942"], "statement": "This issue did not affect the Linux kernel as shipped with Red Hat Enterprise Linux 4, 6, and Red Hat Enterprise MRG. This has been addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2011-1386.html.", "threat_severity": "Moderate"}