{ "id": "CVE-2017-18241", "sourceIdentifier": "cve@mitre.org", "published": "2018-03-21T16:29:00.200", "lastModified": "2024-11-21T03:19:39.647", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "fs/f2fs/segment.c in the Linux kernel before 4.13 allows local users to cause a denial of service (NULL pointer dereference and panic) by using a noflush_merge option that triggers a NULL value for a flush_cmd_control data structure." }, { "lang": "es", "value": "fs/f2fs/segment.c en el kernel de Linux, en versiones anteriores a la 4.13, permite que usuarios locales provoquen una denegaci\u00f3n de servicio (desreferencia de puntero NULL y p\u00e1nico) mediante el uso de una opci\u00f3n noflush_merge que desencadena un valor NULL para una estructura de datos flush_cmd_control." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "baseScore": 4.9, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.9, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.13", "matchCriteriaId": "D2894F22-5448-4402-AE27-6E43BD08E14E" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43" }, { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B" } ] } ] } ], "references": [ { "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d4fdf8ba0e5808ba9ad6b44337783bd9935e0982", "source": "cve@mitre.org", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/d4fdf8ba0e5808ba9ad6b44337783bd9935e0982", "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://usn.ubuntu.com/3910-1/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://usn.ubuntu.com/3910-2/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2018/dsa-4187", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2018/dsa-4188", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d4fdf8ba0e5808ba9ad6b44337783bd9935e0982", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/d4fdf8ba0e5808ba9ad6b44337783bd9935e0982", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://usn.ubuntu.com/3910-1/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://usn.ubuntu.com/3910-2/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2018/dsa-4187", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2018/dsa-4188", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] } ] }