CVE-2019-12818

{"id": "CVE-2019-12818", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/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": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/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": 3.9}]}, "published": "2019-06-14T02:29:00.253", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html", "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html", "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html", "source": "cve@mitre.org"}, {"url": "http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html", "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/108776", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=58bdd544e2933a21a51eecf17c3f5f94038261b5", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/torvalds/linux/commit/58bdd544e2933a21a51eecf17c3f5f94038261b5", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.netapp.com/advisory/ntap-20190710-0002/", "source": "cve@mitre.org"}, {"url": "https://support.f5.com/csp/article/K91444306", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4094-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4118-1/", "source": "cve@mitre.org"}, {"url": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.15", "tags": ["Mailing List", "Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in the Linux kernel before 4.20.15. The nfc_llcp_build_tlv function in net/nfc/llcp_commands.c may return NULL. If the caller does not check for this, it will trigger a NULL pointer dereference. This will cause denial of service. This affects nfc_llcp_build_gb in net/nfc/llcp_core.c."}, {"lang": "es", "value": "Fue encontrado un problema en el kernel de Linux anterior a versi\u00f3n 4.20.15. La funci\u00f3n nfc_llcp_build_tlv en el archivo net/nfc/llcp_commands.c puede devolver NULL. Si la persona que llama no comprueba esto, se desencadenar\u00e1 una desreferencia de puntero NULL. Esto causar\u00e1 la denegaci\u00f3n de servicio. Esto afecta a la funci\u00f3n nfc_llcp_build_gb en el archivo net/nfc/llcp_core.c."}], "lastModified": "2019-06-18T15:15:12.373", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17FD7E7A-B760-45E7-8E36-87FD598DFD43", "versionEndExcluding": "4.20.15"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}