CVEvulnerability
CVE-2013-1956
2.1 LOW
Official page ↗
- Status
- Modified
- Published
- 2013-04-24
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-264
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.
Affected configurations
• 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
Related
Weakness · not in database (1)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3151527ee007b73a0ebd296010f1c0454a919c7d git.kernel.org
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6 www.kernel.org
- http://www.openwall.com/lists/oss-security/2013/04/16/11 www.openwall.com
- https://github.com/torvalds/linux/commit/3151527ee007b73a0ebd296010f1c0454a919c7d github.com
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3151527ee007b73a0ebd296010f1c0454a919c7d git.kernel.org
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6 www.kernel.org
- http://www.openwall.com/lists/oss-security/2013/04/16/11 www.openwall.com
- https://github.com/torvalds/linux/commit/3151527ee007b73a0ebd296010f1c0454a919c7d github.com