CVE-2015-8615

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*", "matchCriteriaId": "4B6F7CE9-C409-4D88-9A99-B21420633F45", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The hvm_set_callback_via function in arch/x86/hvm/irq.c in Xen 4.6 does not limit the number of printk console messages when logging the new callback method, which allows local HVM guest OS users to cause a denial of service via a large number of changes to the callback method (HVM_PARAM_CALLBACK_IRQ)."}, {"lang": "es", "value": "La funci\u00f3n hvm_set_callback_via en arch/x86/hvm/irq.c en Xen 4.6 no limita el n\u00famero de mensajes de la consola de printk cuando inicia sesi\u00f3n el nuevo m\u00e9todo de llamada de retorno, lo que permite a usuarios del SO invitados de HVM locales provocar una denegaci\u00f3n de servicio a trav\u00e9s de un gran n\u00famero de cambios en el m\u00e9todo de llamada de retorno (HVM_PARAM_CALLBACK_IRQ)."}], "id": "CVE-2015-8615", "lastModified": "2026-06-17T00:34:51.377", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L", "version": "3.0"}, "exploitabilityScore": 3.1, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-01-08T19:59:17.350", "references": [{"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/79644"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1034512"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-169.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/79644"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1034512"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-169.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-254"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "xen: Unintentional logging upon guest changing callback method on x86", "id": "1293675", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1293675"}, "csaw": false, "cvss": {"cvss_base_score": "4.0", "cvss_scoring_vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "status": "draft"}, "details": ["The hvm_set_callback_via function in arch/x86/hvm/irq.c in Xen 4.6 does not limit the number of printk console messages when logging the new callback method, which allows local HVM guest OS users to cause a denial of service via a large number of changes to the callback method (HVM_PARAM_CALLBACK_IRQ)."], "name": "CVE-2015-8615", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2015-12-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-8615\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-8615"], "threat_severity": "Low"}

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