CVE-2011-1769

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como stapusr) est\u00e1 habilitado, permite a usuarios locales provocar una denegaci\u00f3n de servicio (error de divisi\u00f3n por cero y OOPS) a trav\u00e9s de un programa de ELF modificado con expresiones DWARF que no est\u00e1n bien mipulado por una secuencia de comandos STAP que realiza acceso a variables de contexto."}], "id": "CVE-2011-1769", "lastModified": "2026-06-16T23:29:59.573", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 1.2, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 1.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-08-29T21:55:00.753", 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{"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/44802"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://sourceware.org/git/?p=systemtap.git%3Ba=commit%3Bh=fa2e3415185a28542d419a641ecd6cddd52e3cd9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:154"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:155"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/47934"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=702687"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://rhn.redhat.com/errata/RHSA-2011-0842.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:0841", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "systemtap-0:1.3-4.el5_6.1", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-05-31T00:00:00Z"}, {"advisory": "RHSA-2011:0842", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "systemtap-0:1.4-6.el6_1.1", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-05-31T00:00:00Z"}], "bugzilla": {"description": "systemtap: does not guard against DWARF operations div-by-zero errors, which can cause a kernel panic", "id": "702687", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=702687"}, "csaw": false, "cvss": {"cvss_base_score": "4.6", "cvss_scoring_vector": "AV:A/AC:H/Au:N/C:N/I:N/A:C", "status": "verified"}, "details": ["SystemTap 1.4 and earlier, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs context variable access."], "name": "CVE-2011-1769", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "systemtap", "product_name": "Red Hat Enterprise Linux 4"}], "public_date": "2011-05-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-1769\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-1769"], "threat_severity": "Moderate"}

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