CVE-2011-2497

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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:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E0135A6D-9FB7-4E1B-B471-914E37494942", "versionEndExcluding": "3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Integer underflow in the l2cap_config_req function in net/bluetooth/l2cap_core.c in the Linux kernel before 3.0 allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a small command-size value within the command header of a Logical Link Control and Adaptation Protocol (L2CAP) configuration request, leading to a buffer overflow."}, {"lang": "es", "value": "Desbordamiento de enteros en la funci\u00f3n l2cap_config_req en net/bluetooth/l2cap_core.c en el Kernel de Linux anterior a v3.0 permite a atacantes remotos provocar una denegaci\u00f3n de servicio o posiblemente tner otro impacto desconocido a trav\u00e9s de un peque\u00f1o valor \"command-size\" dentro del comando header en un \"Control de Enlace L\u00f3gico\" (Logical Link Control) y petici\u00f3n de configuraci\u00f3n de \"Protocolo de Adaptaci\u00f3n\" (Adaptation Protocol (L2CAP)), cargando un desbordamiento de bufer."}], "id": "CVE-2011-2497", "lastModified": "2026-06-16T23:31:27.320", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 8.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-08-29T18:55:01.317", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7ac28817536797fd40e9646452183606f9e17f71"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "http://marc.info/?l=linux-kernel&m=130891911909436&w=2"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "http://securityreason.com/securityalert/8359"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://www.kernel.org/pub/linux/kernel/v3.0/ChangeLog-3.0"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/06/24/9"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/06/27/3"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://www.osvdb.org/74679"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/48472"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=716805"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7ac28817536797fd40e9646452183606f9e17f71"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "http://marc.info/?l=linux-kernel&m=130891911909436&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "http://securityreason.com/securityalert/8359"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.kernel.org/pub/linux/kernel/v3.0/ChangeLog-3.0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/06/24/9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/06/27/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.osvdb.org/74679"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/48472"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=716805"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-191"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Dan Rosenberg for reporting this issue.", "affected_release": [{"advisory": "RHSA-2011:1189", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-131.12.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-08-23T00:00:00Z"}, {"advisory": "RHSA-2011:1253", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-0:2.6.33.9-rt31.75.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2011-09-12T00:00:00Z"}], "bugzilla": {"description": "kernel: bluetooth: buffer overflow in l2cap config request", "id": "716805", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=716805"}, "csaw": false, "cvss": {"cvss_base_score": "8.3", "cvss_scoring_vector": "AV:A/AC:L/Au:N/C:C/I:C/A:C", "status": "verified"}, "cwe": "CWE-190->CWE-119", "details": ["Integer underflow in the l2cap_config_req function in net/bluetooth/l2cap_core.c in the Linux kernel before 3.0 allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a small command-size value within the command header of a Logical Link Control and Adaptation Protocol (L2CAP) configuration request, leading to a buffer overflow."], "name": "CVE-2011-2497", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2011-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2497\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2497"], "statement": "This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4 and 5 as they did not backport the upstream commit 5dee9e7c that introduced this issue. This has been addressed in Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-1189.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html.", "threat_severity": "Important"}

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