{"api_version":"1","generated_at":"2026-07-23T08:24:32+00:00","cve":"CVE-2011-2519","urls":{"html":"https://cve.report/CVE-2011-2519","api":"https://cve.report/api/cve/CVE-2011-2519.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2011-2519","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-2519"},"summary":{"title":"CVE-2011-2519","description":"Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.","state":"PUBLISHED","assigner":"redhat","published_at":"2013-12-27 01:55:05","updated_at":"2026-04-29 01:13:23"},"problem_types":["CWE-476","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"","vector":"AV:A/AC:L/Au:S/C:N/I:N/A:C","data":{"version":"2.0","vectorString":"AV:A/AC:L/Au:S/C:N/I:N/A:C","baseScore":5.5,"accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"}}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2011/08/30/1","name":"http://www.openwall.com/lists/oss-security/2011/08/30/1","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"title":"oss-security - kernel: CVE-2011-2482/2519","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=718882","name":"https://bugzilla.redhat.com/show_bug.cgi?id=718882","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Third Party Advisory"],"title":"718882 – (CVE-2011-2519) CVE-2011-2519 kernel: xen: x86_emulate: fix SAHF emulation","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://rhn.redhat.com/errata/RHSA-2011-1212.html","name":"http://rhn.redhat.com/errata/RHSA-2011-1212.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"access.redhat.com","mime":"text/html","httpstatus":"-1","archivestatus":"200"},{"url":"http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644","name":"http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"title":"xen-3.1-testing.hg: 3290b4b5ecb4","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-2519","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2519","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2011","cve_id":"2519","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_desktop","cpe6":"5.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2519","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server","cpe6":"5.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2519","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_workstation","cpe6":"5.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2519","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"xen","cpe5":"xen","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2011","cve_id":"2519","cve":"CVE-2011-2519","epss":"0.001370000","percentile":"0.331850000","score_date":"2026-04-30","updated_at":"2026-05-01 00:10:53"},"legacy_qids":[{"cve":"CVE-2011-2519","qid":"900257","title":"CBL-Mariner Linux Security Update for kernel 5.4.72"},{"cve":"CVE-2011-2519","qid":"903660","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3479)"},{"cve":"CVE-2011-2519","qid":"905985","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3479-1)"}]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-06T23:00:34.250Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"[oss-security] 20130830 kernel: CVE-2011-2482/2519","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2011/08/30/1"},{"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=718882"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2013-08-30T00:00:00.000Z","descriptions":[{"lang":"en","value":"Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction."}],"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":"[oss-security] 20130830 kernel: CVE-2011-2482/2519","tags":["mailing-list","x_refsource_MLIST"],"url":"http://www.openwall.com/lists/oss-security/2011/08/30/1"},{"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=718882"},{"tags":["x_refsource_MISC"],"url":"http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644"}]}},"cveMetadata":{"assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","assignerShortName":"redhat","cveId":"CVE-2011-2519","datePublished":"2013-12-27T01:00:00.000Z","dateReserved":"2011-06-15T00:00:00.000Z","dateUpdated":"2024-08-06T23:00:34.250Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2013-12-27 01:55:05","lastModifiedDate":"2026-04-29 01:13:23","problem_types":["CWE-476","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:A/AC:L/Au:S/C:N/I:N/A:C","baseScore":5.5,"accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"MEDIUM","exploitabilityScore":5.1,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*","versionEndExcluding":"3.3.0","matchCriteriaId":"0CDC1DBC-974B-47F9-A109-8743B57BBBA3"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*","matchCriteriaId":"133AAFA7-AF42-4D7B-8822-AA2E85611BF5"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*","matchCriteriaId":"54D669D4-6D7E-449D-80C1-28FA44F06FFE"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*","matchCriteriaId":"D0AC5CD5-6E58-433C-9EB3-6DFE5656463E"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2011","CveId":"2519","Ordinal":"1","Title":"CVE-2011-2519","CVE":"CVE-2011-2519","Year":"2011"},"notes":[{"CveYear":"2011","CveId":"2519","Ordinal":"1","NoteData":"Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.","Type":"Description","Title":"CVE-2011-2519"},{"CveYear":"2011","CveId":"2519","Ordinal":"2","NoteData":"2013-12-26","Type":"Other","Title":"Published"},{"CveYear":"2011","CveId":"2519","Ordinal":"3","NoteData":"2013-12-26","Type":"Other","Title":"Modified"}]}}}