{"id":"CVE-2014-5206","state":"PUBLISHED","title":"The do_remount function in fs/namespace.c in the Linux kernel through 3.16.1 does not maintain the MNT_LOCK_READONLY bit across a remount of a bind mount, which allows local users ","description":"The do_remount function in fs/namespace.c in the Linux kernel through 3.16.1 does not maintain the MNT_LOCK_READONLY bit across a remount of a bind mount, which allows local users to bypass an intended read-only restriction and defeat certain sandbox protection mechanisms via a \"mount -o remount\" command within a user namespace.","publishedAt":"2014-08-18T10:00:00.000Z","updatedAt":"2024-08-06T11:41:47.763Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a6138db815df5ee542d848318e5dae681590fccd","http://www.ubuntu.com/usn/USN-2318-1","http://www.securityfocus.com/bid/69214","https://bugzilla.redhat.com/show_bug.cgi?id=1129662","https://github.com/torvalds/linux/commit/a6138db815df5ee542d848318e5dae681590fccd","http://www.openwall.com/lists/oss-security/2014/08/13/4","http://www.ubuntu.com/usn/USN-2317-1"],"weaknesses":[],"ingestedAt":"2026-10-29T19:41:28.904Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2014/5xxx/CVE-2014-5206.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2014-5206","state":"PUBLISHED","datePublished":"2014-08-18T10:00:00.000Z","dateUpdated":"2024-08-06T11:41:47.763Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2014-08-13T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The do_remount function in fs/namespace.c in the Linux kernel through 3.16.1 does not maintain the MNT_LOCK_READONLY bit across a remount of a bind mount, which allows local users to bypass an intended read-only restriction and defeat certain sandbox protection mechanisms via a \"mount -o remount\" command within a user namespace."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a6138db815df5ee542d848318e5dae681590fccd","tags":["x_refsource_CONFIRM"]},{"url":"http://www.ubuntu.com/usn/USN-2318-1","name":"USN-2318-1","tags":["vendor-advisory","x_refsource_UBUNTU"]},{"url":"http://www.securityfocus.com/bid/69214","name":"69214","tags":["vdb-entry","x_refsource_BID"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1129662","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/torvalds/linux/commit/a6138db815df5ee542d848318e5dae681590fccd","tags":["x_refsource_CONFIRM"]},{"url":"http://www.openwall.com/lists/oss-security/2014/08/13/4","name":"[oss-security] 20140813 Re: CVE Request: ro bind mount bypass using user namespaces","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://www.ubuntu.com/usn/USN-2317-1","name":"USN-2317-1","tags":["vendor-advisory","x_refsource_UBUNTU"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2017-01-04T20:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"datePublic":"2014-08-13T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2014-5206","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 do_remount function in fs/namespace.c in the Linux kernel through 3.16.1 does not maintain the MNT_LOCK_READONLY bit across a remount of a bind mount, which allows local users to bypass an intended read-only restriction and defeat certain sandbox protection mechanisms via a \"mount -o remount\" command within a user namespace."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a6138db815df5ee542d848318e5dae681590fccd","refsource":"CONFIRM","url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a6138db815df5ee542d848318e5dae681590fccd"},{"name":"USN-2318-1","refsource":"UBUNTU","url":"http://www.ubuntu.com/usn/USN-2318-1"},{"name":"69214","refsource":"BID","url":"http://www.securityfocus.com/bid/69214"},{"name":"https://bugzilla.redhat.com/show_bug.cgi?id=1129662","refsource":"CONFIRM","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1129662"},{"name":"https://github.com/torvalds/linux/commit/a6138db815df5ee542d848318e5dae681590fccd","refsource":"CONFIRM","url":"https://github.com/torvalds/linux/commit/a6138db815df5ee542d848318e5dae681590fccd"},{"name":"[oss-security] 20140813 Re: CVE Request: ro bind mount bypass using user namespaces","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2014/08/13/4"},{"name":"USN-2317-1","refsource":"UBUNTU","url":"http://www.ubuntu.com/usn/USN-2317-1"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a6138db815df5ee542d848318e5dae681590fccd","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.ubuntu.com/usn/USN-2318-1","name":"USN-2318-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"http://www.securityfocus.com/bid/69214","name":"69214","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1129662","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/torvalds/linux/commit/a6138db815df5ee542d848318e5dae681590fccd","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2014/08/13/4","name":"[oss-security] 20140813 Re: CVE Request: ro bind mount bypass using user namespaces","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.ubuntu.com/usn/USN-2317-1","name":"USN-2317-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-06T11:41:47.763Z"}}]}}}