CVE-2011-2901

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-09-02T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2013-12-27T00:57:03.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "55082", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/55082"}, {"name": "[oss-security] 20110902 Xen Security Advisory 4 (CVE-2011-2901) - Xen 3.3 vaddr validation", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/09/02/2"}, {"name": "GLSA-201309-24", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"}, {"name": "RHSA-2011:1212", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2011-1212.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=728042"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T23:15:31.518Z"}, "title": "CVE Program Container", "references": [{"name": "55082", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/55082"}, {"name": "[oss-security] 20110902 Xen Security Advisory 4 (CVE-2011-2901) - Xen 3.3 vaddr validation", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/09/02/2"}, {"name": "GLSA-201309-24", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"}, {"name": "RHSA-2011:1212", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2011-1212.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=728042"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-2901", "datePublished": "2013-10-01T17:00:00.000Z", "dateReserved": "2011-07-27T00:00:00.000Z", "dateUpdated": "2024-08-06T23:15:31.518Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*", "matchCriteriaId": "8B5A282B-8C44-49E9-8BCE-C6DC96C53C37", "versionEndIncluding": "3.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:3.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "E5D62197-4FF7-4B73-8DC6-6E9344AF7CAC", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:3.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "44CAE6A7-9817-472C-B1C6-3FF196304D08", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:3.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "E96BB7DE-0A6A-4418-A879-159F5FF88615", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:3.1.3:*:*:*:*:*:*:*", "matchCriteriaId": "7568820A-ED66-47DF-A9B0-27A474D6C2C6", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:3.1.4:*:*:*:*:*:*:*", "matchCriteriaId": "5D8C046D-BE62-43BA-9F50-B4D383475EA8", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:3.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "B81B6EEB-D01E-432D-AEBF-707409741C0A", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:3.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "2A4B60DE-A8C0-459E-A99C-6EF0D3264B75", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:3.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "A83F4F7E-53CF-4066-857B-2154D25979D8", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:3.2.3:*:*:*:*:*:*:*", "matchCriteriaId": "048E790E-B0A1-4504-9299-0B6D9CB0C509", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits."}, {"lang": "es", "value": "Error de superaci\u00f3n de l\u00edmite (off-by-one) en la macro __addr_ok en Xen 3.3 y anteriores permite a administradores invitados locales 64 bit PV causar una denegaci\u00f3n del servicio (ca\u00edda del host) a trav\u00e9s de hypercalls no especificadas que ignoran bits de direcciones virtuales."}], "id": "CVE-2011-2901", "lastModified": "2026-06-16T23:32:12.973", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 5.5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:S/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 5.1, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-10-01T17:55:02.960", "references": [{"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2011-1212.html"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/55082"}, {"source": "secalert@redhat.com", "url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2011/09/02/2"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=728042"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2011-1212.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/55082"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/09/02/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=728042"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:1212", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-274.3.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-09-06T00:00:00Z"}, {"advisory": "RHSA-2011:1813", "cpe": "cpe:/o:redhat:rhel_eus:5.6", "package": "kernel-0:2.6.18-238.31.1.el5", "product_name": "Red Hat Enterprise Linux 5.6 EUS - Server Only", "release_date": "2011-12-13T00:00:00Z"}], "bugzilla": {"description": "kernel: xen: off-by-one shift in x86_64 __addr_ok()", "id": "728042", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=728042"}, "csaw": false, "cvss": {"cvss_base_score": "5.5", "cvss_scoring_vector": "AV:A/AC:L/Au:S/C:N/I:N/A:C", "status": "verified"}, "cwe": "CWE-193", "details": ["Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits."], "name": "CVE-2011-2901", "public_date": "2011-08-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2901\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2901"], "statement": "The versions of the Linux kernel as shipped with Red Hat Enterprise Linux 4, 6,\nand Red Hat Enterprise MRG are not affected. This has been addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2011-1212.html.", "threat_severity": "Moderate"}

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