CVE-2009-3238

{"id": "CVE-2009-3238", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2009-09-18T10:30:01.267", "references": [{"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8a0a9bd4db63bc45e3017bedeafbd88d0eb84d02", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html", "tags": ["Mailing List"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html", "tags": ["Mailing List"], "source": "cve@mitre.org"}, {"url": "http://patchwork.kernel.org/patch/21766/", "tags": ["Broken Link", "Patch"], "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/37105", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/37351", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30", "tags": ["Broken Link", "Exploit", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.redhat.com/support/errata/RHSA-2009-1438.html", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://www.ubuntu.com/usn/USN-852-1", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=499785", "tags": ["Issue Tracking", "Permissions Required"], "source": "cve@mitre.org"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=519692", "tags": ["Issue Tracking", "Permissions Required"], "source": "cve@mitre.org"}, {"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11168", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03836en_us", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8a0a9bd4db63bc45e3017bedeafbd88d0eb84d02", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html", "tags": ["Mailing List"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html", "tags": ["Mailing List"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://patchwork.kernel.org/patch/21766/", "tags": ["Broken Link", "Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/37105", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/37351", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30", "tags": ["Broken Link", "Exploit", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.redhat.com/support/errata/RHSA-2009-1438.html", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-852-1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=499785", "tags": ["Issue Tracking", "Permissions Required"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=519692", "tags": ["Issue Tracking", "Permissions Required"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11168", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03836en_us", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-338"}]}], "descriptions": [{"lang": "en", "value": "The get_random_int function in drivers/char/random.c in the Linux kernel before 2.6.30 produces insufficiently random numbers, which allows attackers to predict the return value, and possibly defeat protection mechanisms based on randomization, via vectors that leverage the function's tendency to \"return the same value over and over again for long stretches of time.\""}, {"lang": "es", "value": "La funci\u00f3n get_random_int de drivers/char/random.c en el kernel de Linux anterior a v2.6.30, produce n\u00fameros que nos son suficientemente aleatorios, esto permite a los atacantes predecir el valor devuelto y permite que se puedan superar los mecanismos de protecci\u00f3n basados en la aleatoriedad, a trav\u00e9s de vectores que eleven la tendencia de la funci\u00f3n a \"devolver el mismo valor una y otra vez durante largos periodos de tiempo\"."}], "lastModified": "2025-04-09T00:30:58.490", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F029386E-52D4-46E9-84BF-4D24CA35383E", "versionEndExcluding": "2.6.30"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "454A5D17-B171-4F1F-9E0B-F18D1E5CA9FD"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "7EBFE35C-E243-43D1-883D-4398D71763CC"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4747CC68-FAF4-482F-929A-9DA6C24CB663"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*", "vulnerable": true, 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