CVE-2019-14284

{"id": "CVE-2019-14284", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 6.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.5}]}, "published": "2019-07-26T13:15:13.113", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html", "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html", "source": "cve@mitre.org"}, {"url": "http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html", "source": "cve@mitre.org"}, {"url": "http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html", "source": "cve@mitre.org"}, {"url": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html", "source": "cve@mitre.org"}, {"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3554aeb991214cbfafd17d55e2bfddb50282e32", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/torvalds/linux/commit/f3554aeb991214cbfafd17d55e2bfddb50282e32", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html", "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html", "source": "cve@mitre.org"}, {"url": "https://seclists.org/bugtraq/2019/Aug/13", "source": "cve@mitre.org"}, {"url": "https://seclists.org/bugtraq/2019/Aug/18", "source": "cve@mitre.org"}, {"url": "https://seclists.org/bugtraq/2019/Aug/26", "source": "cve@mitre.org"}, {"url": "https://security.netapp.com/advisory/ntap-20190905-0002/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4114-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4115-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4116-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4117-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4118-1/", "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2019/dsa-4495", "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2019/dsa-4497", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-369"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel before 5.2.3, drivers/block/floppy.c allows a denial of service by setup_format_params division-by-zero. Two consecutive ioctls can trigger the bug: the first one should set the drive geometry with .sect and .rate values that make F_SECT_PER_TRACK be zero. Next, the floppy format operation should be called. It can be triggered by an unprivileged local user even when a floppy disk has not been inserted. NOTE: QEMU creates the floppy device by default."}, {"lang": "es", "value": "En el kernel de Linux anterior a versi\u00f3n 5.2.3, el archivo drivers/block/floppy.c, permite una denegaci\u00f3n de servicio mediante la divisi\u00f3n por cero de la funci\u00f3n setup_format_params. Dos ioctls consecutivos pueden desencadenar el error: el primero debe establecer la geometr\u00eda de la unidad con valores .sect y .rate que hacen que F_SECT_PER_TRACK sea cero. A continuaci\u00f3n, se debe llamar a la operaci\u00f3n de formato de disquete. Puede ser activado por un usuario local sin privilegios incluso cuando no se ha insertado un disquete. NOTA: QEMU crea el dispositivo de disquete de por defecto."}], "lastModified": "2019-08-11T23:15:12.970", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "38844317-DEDF-4600-BA0E-C7D28D8EC200", "versionEndExcluding": "5.2.3"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}