CVE-2016-2543

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que permite a usuarios locales causar una denegaci\u00f3n de servicio (referencia a puntero NULL y OOPS) a trav\u00e9s de una llamada ioctl manipulada."}], "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/476.html\">CWE-476: NULL Pointer Dereference</a>", "id": "CVE-2016-2543", "lastModified": "2026-06-17T00:44:15.587", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", 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{"bugzilla": {"description": "kernel: sound: GPF in snd_seq_fifo_clear", "id": "1311554", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1311554"}, "csaw": false, "cvss": {"cvss_base_score": "4.7", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "status": "draft"}, "cwe": "CWE-476", "details": ["The snd_seq_ioctl_remove_events function in sound/core/seq/seq_clientmgr.c in the Linux kernel before 4.4.1 does not verify FIFO assignment before proceeding with FIFO clearing, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted ioctl call."], "name": "CVE-2016-2543", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Will not fix", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2016-01-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-2543\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-2543\nhttps://lkml.org/lkml/2016/1/12/215"], "statement": "This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.", "threat_severity": "Low"}

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