CVE-2013-1956

LowCVSS 2.1/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 2.1/10AV:L/AC:L/Au:N/C:N/I:P/A:N

Weakness enumeration

CWE-264

Affected software

No affected versions have been published.

Timeline

Published: Apr 24, 2013
Last modified: Jun 16, 2026
NVD status: Modified

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