{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-02-24T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The overlayfs implementation in the Linux kernel through 4.5.2 does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-10-18T20:06:08.000Z", "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "shortName": "canonical"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://launchpad.net/bugs/1534961"}, {"tags": ["x_refsource_MISC"], "url": "http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/"}, {"name": "[oss-security] 20160224 User Namespaces Overlayfs Xattr Setgid Privilege Escalation: Overlayfs", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/02/24/7"}, {"name": "[oss-security] 20211018 Re: CVE-2021-3847: OverlayFS - Potential Privilege Escalation using overlays copy_up", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/10/18/1"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@ubuntu.com", "ID": "CVE-2016-1575", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The overlayfs implementation in the Linux kernel through 4.5.2 does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360", "refsource": "MISC", "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360"}, {"name": "http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html", "refsource": "CONFIRM", "url": "http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html"}, {"name": "https://launchpad.net/bugs/1534961", "refsource": "CONFIRM", "url": "https://launchpad.net/bugs/1534961"}, {"name": "http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/", "refsource": "MISC", "url": "http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/"}, {"name": "[oss-security] 20160224 User Namespaces Overlayfs Xattr Setgid Privilege Escalation: Overlayfs", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/02/24/7"}, {"name": "[oss-security] 20211018 Re: CVE-2021-3847: OverlayFS - Potential Privilege Escalation using overlays copy_up", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/10/18/1"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T23:02:12.188Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://launchpad.net/bugs/1534961"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/"}, {"name": "[oss-security] 20160224 User Namespaces Overlayfs Xattr Setgid Privilege Escalation: Overlayfs", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/02/24/7"}, {"name": "[oss-security] 20211018 Re: CVE-2021-3847: OverlayFS - Potential Privilege Escalation using overlays copy_up", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/10/18/1"}]}]}, "cveMetadata": {"assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "assignerShortName": "canonical", "cveId": "CVE-2016-1575", "datePublished": "2016-05-02T10:00:00.000Z", "dateReserved": "2016-01-12T00:00:00.000Z", "dateUpdated": "2024-08-05T23:02:12.188Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8E93DE20-F6CD-4B8B-836D-7844A2697466", "versionEndIncluding": "4.5.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_core:15.04:*:*:*:*:*:*:*", "matchCriteriaId": "91DF0C2A-2F5A-4C41-8793-FF132F8072FD", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*", "matchCriteriaId": "1AFB20FA-CB00-4729-AB3A-816454C6D096", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_touch:15.04:*:*:*:*:*:*:*", "matchCriteriaId": "A6F2578E-045A-4B94-817A-57F4031D7565", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The overlayfs implementation in the Linux kernel through 4.5.2 does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory."}, {"lang": "es", "value": "La implementaci\u00f3n de overlayfs en el kernel de Linux hasta la versi\u00f3n 4.5.2 no mantiene correctamente datos POSIX ACL xattr, lo que permite a usuarios locales obtener privilegos aprovechando un directorio con permiso de escritura de grupo setgid."}], "id": "CVE-2016-1575", "lastModified": "2025-04-12T10:46:40.837", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-05-02T10:59:23.237", "references": [{"source": "security@ubuntu.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360"}, {"source": "security@ubuntu.com", "tags": ["Third Party Advisory"], "url": "http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html"}, {"source": "security@ubuntu.com", "tags": ["Exploit", "Third Party Advisory"], "url": "http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/"}, {"source": "security@ubuntu.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/02/24/7"}, {"source": "security@ubuntu.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/10/18/1"}, {"source": "security@ubuntu.com", "tags": ["Third Party Advisory"], "url": "https://launchpad.net/bugs/1534961"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/02/24/7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/10/18/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://launchpad.net/bugs/1534961"}], "sourceIdentifier": "security@ubuntu.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}