{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-05-31T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The get_free_port function in Xen allows local authenticated DomU users to cause a denial of service or possibly gain privileges via unspecified vectors involving a new event channel port."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2015-04-30T14:57:00.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "RHSA-2011:0833", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2011-0833.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=701240"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://downloads.avaya.com/css/P8/documents/100145416"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T22:37:25.699Z"}, "title": "CVE Program Container", "references": [{"name": "RHSA-2011:0833", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2011-0833.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=701240"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://downloads.avaya.com/css/P8/documents/100145416"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-1763", "datePublished": "2014-01-07T19:00:00.000Z", "dateReserved": "2011-04-19T00:00:00.000Z", "dateUpdated": "2024-08-06T22:37:25.699Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:xen:xen:*:*:*:*:*:*:*:*", "matchCriteriaId": "282B7F1B-860B-4185-9B0E-E73452A28508", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The get_free_port function in Xen allows local authenticated DomU users to cause a denial of service or possibly gain privileges via unspecified vectors involving a new event channel port."}, {"lang": "es", "value": "La funci\u00f3n get_free_port en Xen permite a usuarios DomU locales autenticados causar denegaci\u00f3n de servicio o posiblemente obtener privilegios mediante vectores no especificados involucrando un nuevo puerto de canal de eventos."}], "id": "CVE-2011-1763", "lastModified": "2026-04-29T01:13:23.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 7.7, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:A/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 5.1, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2014-01-07T19:55:05.890", "references": [{"source": "secalert@redhat.com", "url": "http://downloads.avaya.com/css/P8/documents/100145416"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2011-0833.html"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=701240"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://downloads.avaya.com/css/P8/documents/100145416"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2011-0833.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=701240"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:0833", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-238.12.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-05-31T00:00:00Z"}], "bugzilla": {"description": "kernel: xen: improper upper boundary check in get_free_port() function", "id": "701240", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=701240"}, "csaw": false, "cvss": {"cvss_base_score": "6.5", "cvss_scoring_vector": "AV:A/AC:H/Au:S/C:C/I:C/A:C", "status": "verified"}, "details": ["The get_free_port function in Xen allows local authenticated DomU users to cause a denial of service or possibly gain privileges via unspecified vectors involving a new event channel port."], "name": "CVE-2011-1763", "public_date": "2011-05-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-1763\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-1763"], "statement": "This issue only affects Red Hat Enterprise Linux 5 as we did not backport upstream Xen unstable commit 2dcdd2fcb945. The versions of the Linux kernel as shipped with Red Hat Enterprise Linux 4, 6, and Red Hat Enterprise MRG are not affected.", "threat_severity": "Moderate"}

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