CVE-2019-19227

{"id": "CVE-2019-19227", "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}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2019-11-22T14:15:11.323", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html", "source": "cve@mitre.org"}, {"url": "http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html", "source": "cve@mitre.org"}, {"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9804501fa1228048857910a6bf23e085aade37cc", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html", "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html", "source": "cve@mitre.org"}, {"url": "https://seclists.org/bugtraq/2020/Jan/10", "source": "cve@mitre.org"}, {"url": "https://security.netapp.com/advisory/ntap-20200103-0001/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4254-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4254-2/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4258-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4287-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4287-2/", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the AppleTalk subsystem in the Linux kernel before 5.1, there is a potential NULL pointer dereference because register_snap_client may return NULL. This will lead to denial of service in net/appletalk/aarp.c and net/appletalk/ddp.c, as demonstrated by unregister_snap_client, aka CID-9804501fa122."}, {"lang": "es", "value": "En el subsistema AppleTalk en el kernel de Linux versiones anteriores a 5.1, se presenta una posible desreferencia del puntero NULL porque la funci\u00f3n register_snap_client puede devolver NULL. Esto conllevar\u00e1 a una denegaci\u00f3n de servicio en los archivos net/appletalk/aarp.c y net/appletalk/ddp.c, como es demostrado por la funci\u00f3n unregister_snap_client, tambi\u00e9n se conoce como CID-9804501fa122."}], "lastModified": "2019-12-12T16:15:15.537", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B5857A73-CFC4-477B-8E21-2EDC12FABFDE", "versionEndExcluding": "5.1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}