{ "schema_version": "1.4.0", "id": "GHSA-mm23-fxmx-2r5j", "modified": "2025-04-12T12:36:40Z", "published": "2022-05-13T01:23:24Z", "aliases": [ "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.", "severity": [], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-5206" }, { "type": "WEB", "url": "https://github.com/torvalds/linux/commit/a6138db815df5ee542d848318e5dae681590fccd" }, { "type": "WEB", "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" }, { "type": "WEB", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a6138db815df5ee542d848318e5dae681590fccd" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2014/08/13/4" }, { "type": "WEB", "url": "http://www.securityfocus.com/bid/69214" }, { "type": "WEB", "url": "http://www.ubuntu.com/usn/USN-2317-1" }, { "type": "WEB", "url": "http://www.ubuntu.com/usn/USN-2318-1" } ], "database_specific": { "cwe_ids": [ "CWE-269" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2014-08-18T11:15:00Z" } }