CVE-2013-1956
Last modified
CVE-2013-1956 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.8.5 |
| Linux | Linux Kernel | 3.8.0 |
| Linux | Linux Kernel | 3.8.1 |
| Linux | Linux Kernel | 3.8.2 |
| Linux | Linux Kernel | 3.8.3 |
| Linux | Linux Kernel | 3.8.4 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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