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CVE-2013-1956

LOW · CVSS 2.1EPSS 0.4%EU EUVD

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.

Key facts

CVSS score
2.1 (v2.0)
Severity
LOW
CVSS vector
AV:L/AC:L/Au:N/C:N/I:P/A:N
Weakness (CWE)
CWE-264
EPSS score
0.4% (33th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2013-1946)
Published
April 24, 2013
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-1946 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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