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Unrated severityNVD Advisory· Published Apr 24, 2013· Updated Jun 16, 2026

CVE-2013-1956

CVE-2013-1956

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

7
  • Linux/Kernel6 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 5 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: <=3.8.5
    • cpe:2.3:o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:3.8.2:*:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:3.8.3:*:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:3.8.4:*:*:*:*:*:*:*
  • Linux/Linux kernelllm-fuzzy
    Range: <3.8.6

Patches

Vulnerability mechanics

References

4

News mentions

0

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