{ "id": "CVE-2021-4202", "sourceIdentifier": "secalert@redhat.com", "published": "2022-03-25T19:15:09.770", "lastModified": "2022-10-06T02:25:36.760", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "A use-after-free flaw was found in nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race problem while the device is getting removed, leading to a privilege escalation problem." }, { "lang": "es", "value": "Se encontr\u00f3 un fallo de uso de memoria previamente liberada en la funci\u00f3n nci_request en el archivo net/nfc/nci/core.c en NFC Controller Interface (NCI) en el kernel de Linux. este fallo podr\u00eda permitir a un atacante local con privilegios de usuario causar un problema de carrera de datos mientras es retirado el dispositivo, conllevando a un problema de escalada de privilegios" } ], "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:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.0, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "accessVector": "LOCAL", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 6.9 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.4, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-362" }, { "lang": "en", "value": "CWE-416" } ] }, { "source": "secalert@redhat.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-362" }, { "lang": "en", "value": "CWE-416" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.16", "matchCriteriaId": "D692A2AE-8E9E-46AE-8670-7E1284317A25" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.16:-:*:*:*:*:*:*", "matchCriteriaId": "FF588A58-013F-4DBF-A3AB-70EC054B1892" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*", "matchCriteriaId": "357AA433-37E8-4323-BFB2-3038D6E4B414" } ] } ] } ], "references": [ { "url": "http://www.openwall.com/lists/oss-security/2022/06/01/2", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2022/06/04/2", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2022/06/07/2", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2036682", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3e3b5dfcd16a3e254aab61bd1e8c417dd4503102", "source": "secalert@redhat.com", "tags": [ "Exploit", "Patch", "Vendor Advisory" ] }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48b71a9e66c2eab60564b1b1c85f4928ed04e406", "source": "secalert@redhat.com", "tags": [ "Exploit", "Patch", "Vendor Advisory" ] }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=86cdf8e38792545161dbe3350a7eced558ba4d15", "source": "secalert@redhat.com", "tags": [ "Exploit", "Patch", "Vendor Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20220513-0002/", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] } ] }