{"id":"CVE-2013-1957","aliases":["DEBIAN-CVE-2013-1957","EUVD-2013-1947","GHSA-rjmg-j6w6-pv33"],"status":"published","title":"The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly...","description":"The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNT_READONLY flag, which allows local users to bypass an intended read-only property of a filesystem by leveraging a separate mount namespace.","severity":{"version":"2.0","score":4.7,"vector":"AV:L/AC:M/Au:N/C:C/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00338,"percentile":0.2742,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2013-04-24T19:00:00Z","modified":"2026-09-01T20:03:15Z","fixes":[{"ecosystem":"Debian:12","package":"linux","fixed_in":["3.8.13-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"linux","fixed_in":["3.8.13-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"linux","fixed_in":["3.8.13-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.13-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.13-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.13-1"}]}]}],"products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=132c94e31b8bca8ea921f9f96a57d684fa4ae0a9","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2013/04/16/11","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://github.com/torvalds/linux/commit/132c94e31b8bca8ea921f9f96a57d684fa4ae0a9","tags":["x_refsource_CONFIRM","x_transferred","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-1957"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=132c94e31b8bca8ea921f9f96a57d684fa4ae0a9"},{"url":"https://github.com/advisories/GHSA-rjmg-j6w6-pv33"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-1957","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2013-1957","description":"The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNT_READONLY flag, which allows local users to bypass an intended read-only property of a filesystem by leveraging a separate mount namespace.","status":"published","published":"2013-04-24T19:00:00Z","modified":"2024-08-06T15:20:37.436Z","updated_at":"2026-11-02T14:34:58.193873Z"}],"euvd":[{"id":"EUVD-2013-1947","description":"The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNT_READONLY flag, which allows local users to bypass an intended read-only property of a filesystem by leveraging a separate mount namespace.","status":"published","published":"2013-04-24T19:00:00Z","modified":"2024-08-06T15:20:37Z","updated_at":"2026-11-03T01:56:40.030926Z"}],"ghsa":[{"id":"GHSA-rjmg-j6w6-pv33","title":"The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly...","description":"The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNT_READONLY flag, which allows local users to bypass an intended read-only property of a filesystem by leveraging a separate mount namespace.","status":"published","published":"2022-05-17T05:11:13Z","modified":"2023-02-13T06:32:05Z","updated_at":"2026-11-02T14:54:06.501947Z"}],"nvd":[{"id":"CVE-2013-1957","description":"The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNT_READONLY flag, which allows local users to bypass an intended read-only property of a filesystem by leveraging a separate mount namespace.","status":"published","published":"2013-04-24T19:55:01.043Z","modified":"2026-06-16T23:52:28.39Z","cvss":[{"version":"2.0","score":4.7,"vector":"AV:L/AC:M/Au:N/C:C/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:25.704053Z"}],"osv":[{"id":"CVE-2013-1957","description":"The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNT_READONLY flag, which allows local users to bypass an intended read-only property of a filesystem by leveraging a separate mount namespace.","status":"published","published":"2013-04-24T19:55:01Z","modified":"2026-04-10T03:42:44.743908Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2013-1957","description":"The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNT_READONLY flag, which allows local users to bypass an intended read-only property of a filesystem by leveraging a separate mount namespace.","status":"published","published":"2013-04-24T19:55:01.043Z","modified":"2026-09-01T20:03:15.141834836Z","updated_at":"2026-11-02T15:45:25.514579Z"}]}}