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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.9:*:*:*:*:*:*:*", "matchCriteriaId": "B812DFE2-6FFA-4D31-839C-0CCB2B1310EF", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage."}, {"lang": "es", "value": "La funci\u00f3n z90crypt_unlocked_ioctl en el controlador z90crypt del kernel de Linux v2.6.9, no realiza una comprobaci\u00f3nd e capacidad en la operaci\u00f3n Z90QUIESCE, esto permite a usuarios locales elevar los privilegios euid 0 para forzar una parada en el controlador."}], "id": "CVE-2009-1883", "lastModified": "2026-04-23T00:35:47.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-09-18T10:30:00.877", "references": [{"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/36759"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/37105"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2009/09/15/1"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2009/09/15/3"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://www.redhat.com/support/errata/RHSA-2009-1438.html"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-852-1"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=505983"}, {"source": "secalert@redhat.com", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/36759"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/37105"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2009/09/15/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2009/09/15/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.redhat.com/support/errata/RHSA-2009-1438.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-852-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=505983"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513"}], "sourceIdentifier": "secalert@redhat.com", "vendorComments": [{"comment": "This issue did not affect kernel packages as shipped in Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 1.\n\nIt was addressed in Red Hat Enterprise Linux 4 via https://rhn.redhat.com/errata/RHSA-2009-1438.html .\n\nThis issue has been rated as having moderate security impact.\n\nIt is not planned to be fixed in Red Hat Enterprise Linux 3, due to this product being in Production 3 of its maintenance life-cycle, where only qualified security errata of important or critical impact are addressed.\n\nFor further information about Errata Support Policy, visit: http://www.redhat.com/security/updates/errata/", "lastModified": "2009-09-22T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2009:1438", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "kernel-0:2.6.9-89.0.11.EL", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2009-09-15T00:00:00Z"}], "bugzilla": {"description": "kernel: missing capability check in z90crypt", "id": "505983", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=505983"}, "csaw": false, "cvss": {"cvss_base_score": "6.9", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "status": "verified"}, "details": ["The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage."], "name": "CVE-2009-1883", "public_date": "2009-09-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-1883\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-1883"], "statement": "This issue did not affect kernel packages as shipped in Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 1.", "threat_severity": "Moderate"}

{}