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Status published
Low
CVE-2013-1956
The create_user_ns function in kernel/user_namespace.c in the Linux kernel before...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3151527ee007b73a0ebd296010f1c0454a919c7d
- https://github.com/torvalds/linux/commit/3151527ee007b73a0ebd296010f1c0454a919c7d
- http://www.openwall.com/lists/oss-security/2013/04/16/11
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6
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Affected Vendor
linux
View all reports →Affected Software
linux kernel
Vulnerable Versions:
0, 3.8.0, 3.8.1, 3.8.2, 3.8.3, 3.8.4
Timeline
Official Publish:
April 24th, 2013
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.