CVE-2019-19770

{"id": "CVE-2019-19770", "cveTags": [{"tags": ["disputed"], "sourceIdentifier": "cve@mitre.org"}], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 4.2, "exploitabilityScore": 3.9}]}, "published": "2019-12-12T20:15:17.787", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html", "source": "cve@mitre.org"}, {"url": "https://bugzilla.kernel.org/show_bug.cgi?id=205713", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html", "source": "cve@mitre.org"}, {"url": "https://lore.kernel.org/linux-block/20200402000002.7442-1-mcgrof%40kernel.org/", "source": "cve@mitre.org"}, {"url": "https://security.netapp.com/advisory/ntap-20200103-0001/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.kernel.org/show_bug.cgi?id=205713", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lore.kernel.org/linux-block/20200402000002.7442-1-mcgrof%40kernel.org/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20200103-0001/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel 4.19.83, there is a use-after-free (read) in the debugfs_remove function in fs/debugfs/inode.c (which is used to remove a file or directory in debugfs that was previously created with a call to another debugfs function such as debugfs_create_file). NOTE: Linux kernel developers dispute this issue as not being an issue with debugfs, instead this is an issue with misuse of debugfs within blktrace"}, {"lang": "es", "value": "** EN DISPUTA ** En el kernel de Linux versi\u00f3n 4.19.83, presenta un uso de la memoria previamente liberada en la funci\u00f3n debugfs_remove en el archivo fs/debugfs/inode.c (que se usa para eliminar un archivo o directorio en debugfs que se cre\u00f3 previamente con una llamada a otra funci\u00f3n debugfs como debugfs_create_file). NOTA: Los desarrolladores del kernel de Linux disputan este problema como no un problema con debugfs, sino que es un problema con el mal uso de debugfs dentro de blktrace."}], "lastModified": "2024-11-21T04:35:21.040", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9E848931-EC49-4268-93CE-9D9F7F2E3B54", "versionEndIncluding": "4.19.83"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}