fkie_cve-2021-3732
Vulnerability from fkie_nvd
Published
2022-03-10 17:42
Modified
2024-11-21 06:22
Severity ?
Summary
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.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
linux | linux_kernel | * | |
linux | linux_kernel | 5.14 | |
linux | linux_kernel | 5.14 | |
linux | linux_kernel | 5.14 | |
linux | linux_kernel | 5.14 | |
linux | linux_kernel | 5.14 | |
linux | linux_kernel | 5.14 |
{ "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "202CAD0B-4BA5-4F2B-8C10-8290E5F5434C", "versionEndExcluding": "5.14", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:*", "matchCriteriaId": "6A05198E-F8FA-4517-8D0E-8C95066AED38", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*", "matchCriteriaId": "71268287-21A8-4488-AA4F-23C473153131", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*", "matchCriteriaId": "23B9E5C6-FAB5-4A02-9E39-27C8787B0991", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc3:*:*:*:*:*:*", "matchCriteriaId": "D185CF67-7E4A-4154-93DB-CE379C67DB56", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc4:*:*:*:*:*:*", "matchCriteriaId": "D1DA0AF6-02F4-47C7-A318-8C006ED0C665", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc5:*:*:*:*:*:*", "matchCriteriaId": "49DD30B1-8C99-4C38-A66B-CAB3827BEE8A", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "A flaw was found in the Linux kernel\u0027s 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" } ], "id": "CVE-2021-3732", "lastModified": "2024-11-21T06:22:16.590", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "LOW", "cvssData": { "accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0" }, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2022-03-10T17:42:59.287", "references": [ { "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1995249" }, { "source": "secalert@redhat.com", "tags": [ "Mailing List", "Patch", "Vendor Advisory" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=427215d85e8d1476da1a86b8d67aceb485eb3631" }, { "source": "secalert@redhat.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/torvalds/linux/commit/427215d85e8d1476da1a86b8d67aceb485eb3631" }, { "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ], "url": "https://ubuntu.com/security/CVE-2021-3732" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1995249" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Patch", "Vendor Advisory" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=427215d85e8d1476da1a86b8d67aceb485eb3631" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/torvalds/linux/commit/427215d85e8d1476da1a86b8d67aceb485eb3631" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://ubuntu.com/security/CVE-2021-3732" } ], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-200" } ], "source": "secalert@redhat.com", "type": "Secondary" }, { "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
Loading…
Loading…
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.