CVE-2019-20812

{"id": "CVE-2019-20812", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "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": "2020-06-03T03:15:10.597", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html", "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html", "source": "cve@mitre.org"}, {"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.7", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b43d1f9f7067c6759b1051e8ecb84e82cef569fe", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.oracle.com/security-alerts/cpuApr2021.html", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in the Linux kernel before 5.4.7. The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067."}, {"lang": "es", "value": "Se detect\u00f3 un problema en el kernel de Linux versiones anteriores a 5.4.7. La funci\u00f3n prb_calc_retire_blk_tmo() en el archivo net/packet/af_packet.c puede resultar en una denegaci\u00f3n de servicio (consumo de CPU y bloqueo suave) en un caso de fallo que involucra TPACKET_V3, tambi\u00e9n se conoce como CID-b43d1f9f7067."}], "lastModified": "2021-06-14T18:15:18.897", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C39B26F1-4B68-4F92-8D2D-465829FA4636", "versionEndExcluding": "5.4.7"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}