CVE-2017-16994

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de la memoria del kernel no inicializada mediante el uso manipulado de la llamada del sistema mincore()."}], "id": "CVE-2017-16994", "lastModified": "2026-06-17T01:10:13.947", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": 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{"affected_release": [{"advisory": "RHSA-2018:0502", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-alt-0:4.11.0-44.6.1.el7a", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-03-13T00:00:00Z"}], "bugzilla": {"description": "kernel: mm/pagewalk.c: walk_hugetlb_range function mishandles holes in hugetlb ranges causing information leak", "id": "1518155", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1518155"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-200", "details": ["The walk_hugetlb_range function in mm/pagewalk.c in the Linux kernel before 4.14.2 mishandles holes in hugetlb ranges, which allows local users to obtain sensitive information from uninitialized kernel memory via crafted use of the mincore() system call.", "The walk_hugetlb_range() function in 'mm/pagewalk.c' file in the Linux kernel from v4.0-rc1 through v4.15-rc1 mishandles holes in hugetlb ranges. This allows local users to obtain sensitive information from uninitialized kernel memory via crafted use of the mincore() system call."], "name": "CVE-2017-16994", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2017-11-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-16994\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-16994"], "statement": "This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2, as a code with the flaw is not present in the products listed.\nThis issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 7 for ARM and Red Hat Enterprise Linux 7 for Power LE in the \"kernel-alt\" packages.", "threat_severity": "Moderate"}

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