{ "id": "CVE-2019-20934", "sourceIdentifier": "cve@mitre.org", "published": "2020-11-28T07:15:11.037", "lastModified": "2021-01-12T13:49:19.240", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c." }, { "lang": "es", "value": "Se detect\u00f3 un problema en el kernel de Linux versiones anteriores a 5.2.6. En los sistemas NUMA, el programador fair de Linux presenta un uso de la memoria previamente liberada en la funci\u00f3n show_numa_stats() porque las estad\u00edsticas de fallo de NUMA son liberadas inapropiadamente, tambi\u00e9n se conoce como CID-16d51a590a8c" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.3, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.0, "impactScore": 4.2 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:C", "accessVector": "LOCAL", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 5.4 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.4, "impactScore": 7.8, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-416" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "4.19.64", "matchCriteriaId": "F110373F-D796-47EF-9141-EA0D75486058" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndIncluding": "5.2.17", "matchCriteriaId": "DF5131E1-24E0-448E-A510-C7BF53F209A5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.3:rc1:*:*:*:*:*:*", "matchCriteriaId": "9E57A227-1EC1-4E47-AE4E-CCD42CAA4710" } ] } ] } ], "references": [ { "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1913", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Vendor Advisory" ] }, { "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16d51a590a8ce3befb1308e0e7ab77f3b661af33", "source": "cve@mitre.org", "tags": [ "Patch", "Vendor Advisory" ] } ] }