CVE-2021-3732

{"id": "CVE-2021-3732", "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:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "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:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2022-03-10T17:42:59.287", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1995249", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=427215d85e8d1476da1a86b8d67aceb485eb3631", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://github.com/torvalds/linux/commit/427215d85e8d1476da1a86b8d67aceb485eb3631", "tags": ["Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://ubuntu.com/security/CVE-2021-3732", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1995249", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=427215d85e8d1476da1a86b8d67aceb485eb3631", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/torvalds/linux/commit/427215d85e8d1476da1a86b8d67aceb485eb3631", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://ubuntu.com/security/CVE-2021-3732", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-200"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain access to hidden files that should not be accessible."}, {"lang": "es", "value": "Se ha encontrado un fallo en el subsistema OverlayFS del kernel de Linux en la forma en que el usuario monta el sistema de archivos TmpFS con OverlayFS. Este fallo permite a un usuario local acceder a archivos ocultos que no deber\u00edan ser accesibles"}], "lastModified": "2024-11-21T06:22:16.590", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "202CAD0B-4BA5-4F2B-8C10-8290E5F5434C", "versionEndExcluding": "5.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6A05198E-F8FA-4517-8D0E-8C95066AED38"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "71268287-21A8-4488-AA4F-23C473153131"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "23B9E5C6-FAB5-4A02-9E39-27C8787B0991"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D185CF67-7E4A-4154-93DB-CE379C67DB56"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D1DA0AF6-02F4-47C7-A318-8C006ED0C665"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "49DD30B1-8C99-4C38-A66B-CAB3827BEE8A"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}