{"id":"CVE-2013-1858","aliases":["EUVD-2013-1861","GHSA-7j9j-f52c-89mj"],"status":"published","title":"The clone system-call implementation in the Linux kernel before 3.8.3 does not properly handle a...","description":"The clone system-call implementation in the Linux kernel before 3.8.3 does not properly handle a combination of the CLONE_NEWUSER and CLONE_FS flags, which allows local users to gain privileges by calling chroot and leveraging the sharing of the / directory between a parent process and a child process.","severity":{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01685,"percentile":0.77174,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2013-04-05T21:00:00Z","modified":"2026-06-16T23:52:15Z","products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e66eded8309ebf679d3d3c1f5820d1f2ca332c71","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2013/03/14/6","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.3","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://stealth.openwall.net/xSports/clown-newuser.c","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://github.com/torvalds/linux/commit/e66eded8309ebf679d3d3c1f5820d1f2ca332c71","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=921448","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-1858"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e66eded8309ebf679d3d3c1f5820d1f2ca332c71"},{"url":"https://github.com/advisories/GHSA-7j9j-f52c-89mj"}],"sources":{"cve":[{"id":"CVE-2013-1858","description":"The clone system-call implementation in the Linux kernel before 3.8.3 does not properly handle a combination of the CLONE_NEWUSER and CLONE_FS flags, which allows local users to gain privileges by calling chroot and leveraging the sharing of the / directory between a parent process and a child process.","status":"published","published":"2013-04-05T21:00:00Z","modified":"2024-08-06T15:20:35.203Z","updated_at":"2026-11-02T14:34:58.534075Z"}],"euvd":[{"id":"EUVD-2013-1861","description":"The clone system-call implementation in the Linux kernel before 3.8.3 does not properly handle a combination of the CLONE_NEWUSER and CLONE_FS flags, which allows local users to gain privileges by calling chroot and leveraging the sharing of the / directory between a parent process and a child process.","status":"published","published":"2013-04-05T21:00:00Z","modified":"2024-08-06T15:20:35Z","updated_at":"2026-11-03T01:56:40.540333Z"}],"ghsa":[{"id":"GHSA-7j9j-f52c-89mj","title":"The clone system-call implementation in the Linux kernel before 3.8.3 does not properly handle a...","description":"The clone system-call implementation in the Linux kernel before 3.8.3 does not properly handle a combination of the CLONE_NEWUSER and CLONE_FS flags, which allows local users to gain privileges by calling chroot and leveraging the sharing of the / directory between a parent process and a child process.","status":"published","published":"2022-05-17T05:12:06Z","modified":"2023-02-21T05:06:49Z","updated_at":"2026-11-02T14:54:12.44657Z"}],"nvd":[{"id":"CVE-2013-1858","description":"The clone system-call implementation in the Linux kernel before 3.8.3 does not properly handle a combination of the CLONE_NEWUSER and CLONE_FS flags, which allows local users to gain privileges by calling chroot and leveraging the sharing of the / directory between a parent process and a child process.","status":"published","published":"2013-04-05T21:55:00.917Z","modified":"2026-06-16T23:52:15.447Z","cvss":[{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:24.091325Z"}]}}