{ "id": "CVE-2021-38206", "sourceIdentifier": "cve@mitre.org", "published": "2021-08-08T20:15:07.320", "lastModified": "2021-08-12T13:33:43.250", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "The mac80211 subsystem in the Linux kernel before 5.12.13, when a device supporting only 5 GHz is used, allows attackers to cause a denial of service (NULL pointer dereference in the radiotap parser) by injecting a frame with 802.11a rates." }, { "lang": "es", "value": "El subsistema mac80211 en el kernel de Linux versiones anteriores a 5.12.13, cuando se utiliza un dispositivo que s\u00f3lo soporta 5 GHz, permite a atacantes causar una denegaci\u00f3n de servicio (desreferencia de puntero NULL en el analizador de radiotap) al inyectar una trama con tasas 802.11a" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1 }, "baseSeverity": "LOW", "exploitabilityScore": 3.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.12.13", "matchCriteriaId": "4C096241-6457-4DB4-80C3-DD650F628184" } ] } ] } ], "references": [ { "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13", "source": "cve@mitre.org", "tags": [ "Mailing List", "Patch", "Vendor Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/bddc0c411a45d3718ac535a070f349be8eca8d48", "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ] } ] }