CVE-2013-1956
- Source
- https://cve.org/CVERecord?id=CVE-2013-1956
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2013-1956.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2013-1956
- Downstream
- Published
- 2013-04-24T19:55:01Z
- Modified
- 2026-04-10T03:42:46.196981Z
- Summary
- [none]
- Details
-
The createuserns 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.
- References
-
- 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