{"id":"CVE-2014-5206","details":"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.","modified":"2026-04-10T03:43:55.906478Z","published":"2014-08-18T11:15:27Z","references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2014/08/13/4"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/69214"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2317-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2318-1"},{"type":"ADVISORY","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1129662"},{"type":"ADVISORY","url":"https://github.com/torvalds/linux/commit/a6138db815df5ee542d848318e5dae681590fccd"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2014/08/13/4"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1129662"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/a6138db815df5ee542d848318e5dae681590fccd"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1129662"},{"type":"WEB","url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a6138db815df5ee542d848318e5dae681590fccd"}],"schema_version":"1.7.5"}