{"id":"CVE-2016-1575","state":"PUBLISHED","title":"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-wr","description":"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.","publishedAt":"2016-05-02T10:00:00.000Z","updatedAt":"2024-08-05T23:02:12.188Z","severity":null,"assigner":"canonical","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360","http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html","https://launchpad.net/bugs/1534961","http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/","http://www.openwall.com/lists/oss-security/2016/02/24/7","http://www.openwall.com/lists/oss-security/2021/10/18/1"],"weaknesses":[],"ingestedAt":"2026-10-29T19:42:33.324Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2016/1xxx/CVE-2016-1575.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2016-1575","state":"PUBLISHED","datePublished":"2016-05-02T10:00:00.000Z","dateUpdated":"2024-08-05T23:02:12.188Z","assignerShortName":"canonical","assignerOrgId":"cc1ad9ee-3454-478d-9317-d3e869d708bc","dateReserved":"2016-01-12T00:00:00.000Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360","tags":["x_refsource_MISC"]},{"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_CONFIRM"]},{"url":"http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/","tags":["x_refsource_MISC"]},{"url":"http://www.openwall.com/lists/oss-security/2016/02/24/7","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/2021/10/18/1","name":"[oss-security] 20211018 Re: CVE-2021-3847: OverlayFS - Potential Privilege Escalation using overlays copy_up","tags":["mailing-list","x_refsource_MLIST"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"canonical","dateUpdated":"2021-10-18T20:06:08.000Z","orgId":"cc1ad9ee-3454-478d-9317-d3e869d708bc"},"datePublic":"2016-02-24T00:00:00.000Z","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":[{"title":"CVE Program Container","references":[{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360","tags":["x_refsource_MISC","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_CONFIRM","x_transferred"]},{"url":"http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2016/02/24/7","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/2021/10/18/1","name":"[oss-security] 20211018 Re: CVE-2021-3847: OverlayFS - Potential Privilege Escalation using overlays copy_up","tags":["mailing-list","x_refsource_MLIST","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T23:02:12.188Z"}}]}}}