low2.1
CVE-2013-1956
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 …
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | through 3.8.5 Versions 3.8.0, 3.8.1, 3.8.2, 3.8.3, 3.8.4 |
Weakness classification
References
- NVD record
- CVE.org record
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3151527ee007b73a0ebd296010f1c0454a919c7d
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6
- http://www.openwall.com/lists/oss-security/2013/04/16/11
- https://github.com/torvalds/linux/commit/3151527ee007b73a0ebd296010f1c0454a919c7d
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3151527ee007b73a0ebd296010f1c0454a919c7d
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6
- http://www.openwall.com/lists/oss-security/2013/04/16/11
- https://github.com/torvalds/linux/commit/3151527ee007b73a0ebd296010f1c0454a919c7d