CVE-2010-4247

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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:a:citrix:xen:*:*:*:*:*:*:*:*", "matchCriteriaId": "D74157F7-D69B-4FDF-B80E-325EACDB409B", "versionEndIncluding": "3.3.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "D97BF124-C4F1-452D-B5B4-0EBDB01E0DED", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "6C9A466D-2E51-4662-8E85-8F5FA7B94A04", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "3C42C6DE-F11E-454E-AA0A-7466E74A904A", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.1.3:*:*:*:*:*:*:*", "matchCriteriaId": "DFAB978D-9364-4DB4-872B-CD52FA271F40", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.1.4:*:*:*:*:*:*:*", "matchCriteriaId": "296411C1-F3EB-4D2E-9F95-3F6BA9FE4C7D", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "25EAB8E4-99D5-4970-AAAD-1762F0A2CD02", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "F7CB6DD9-1E32-4242-9DAB-082F03769723", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "9E65CBEF-76BD-4FCC-8094-15B93E98515F", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.2.3:*:*:*:*:*:*:*", "matchCriteriaId": "C258D5F5-970D-42E8-BE0F-AAC993AE2819", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "29D50CDE-9F80-4C2E-A1F4-530B6C2D8E6B", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "55C9A065-28F1-4C60-86B6-DBB33ABEAE80", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.18:*:*:*:*:*:*:*", "matchCriteriaId": "C06F0037-DE20-4B4A-977F-BFCFAB026517", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2) drivers/xen/blktap/blktap.c in Xen before 3.4.0 for the Linux kernel 2.6.18, and possibly other versions, allows guest OS users to cause a denial of service (infinite loop and CPU consumption) via a large production request index to the blkback or blktap back-end drivers. NOTE: some of these details are obtained from third party information."}, {"lang": "es", "value": "La funci\u00f3n do_block_io_op en (1) ldrivers/xen/blkback/blkback.c and (2) drivers/xen/blktap/blktap.c en Xen anterior a v3.4.0 para el kernel Linux v2.6.18, y posiblemente otras versiones, permite a los usuarios invitados del sistema operativo causar una denegaci\u00f3n de servicio (bucle infinito y el consumo de CPU) a trav\u00e9s de un gran \u00edndice de producci\u00f3n de peticiones a los controladores blkback o blktap back-end. NOTA: algunos de estos detalles han sido obtenidos de informaci\u00f3n de terceros."}], "id": "CVE-2010-4247", "lastModified": "2026-06-16T23:24:25.917", "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": "2011-01-11T03:00:04.063", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/35093"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/42789"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/46397"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2010/11/23/1"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2010/11/24/8"}, {"source": "secalert@redhat.com", "url": "http://www.redhat.com/support/errata/RHSA-2011-0004.html"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/45029"}, {"source": "secalert@redhat.com", "url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html"}, {"source": "secalert@redhat.com", "url": "http://www.vupen.com/english/advisories/2011/0024"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/7070d34f251c"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/77f831cbb91d"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=656206"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/35093"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/42789"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/46397"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2010/11/23/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2010/11/24/8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2011-0004.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/45029"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2011/0024"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/7070d34f251c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/77f831cbb91d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=656206"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:0004", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-194.32.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-01-04T00:00:00Z"}], "bugzilla": {"description": "xen: request-processing loop is unbounded in blkback", "id": "656206", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=656206"}, "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"}, "details": ["The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2) drivers/xen/blktap/blktap.c in Xen before 3.4.0 for the Linux kernel 2.6.18, and possibly other versions, allows guest OS users to cause a denial of service (infinite loop and CPU consumption) via a large production request index to the blkback or blktap back-end drivers. NOTE: some of these details are obtained from third party information."], "name": "CVE-2010-4247", "public_date": "2008-01-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2010-4247\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-4247"], "threat_severity": "Moderate"}

{}