VULNERABILITY INTELLIGENCE
CVE-2013-1956
CVSS score2.1 LOW
EPSS probability0.38%
CISA KEVNot currently listed
Published2013-04-24
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:N/I:P/A:N
Description
The create_user_ns function in kernel/user_namespace.c in the Linux kernel before 3.8.6 does not check whether a chroot directory exists that differs from the namespace root directory, which allows local users to bypass intended filesystem restrictions via a crafted clone system call.