Vulnerability Description
Memory leak in the unshare_userns function in kernel/user_namespace.c in the Linux kernel before 3.10.6 allows local users to cause a denial of service (memory consumption) via an invalid CLONE_NEWUSER unshare call.
CVSS Score
4.7
MEDIUM
AV:L/AC:M/Au:N/C:N/I:N/A:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.10.5 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://twitter.com/grsecurity/statuses/364566062336978944
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.6
- http://www.openwall.com/lists/oss-security/2013/08/06/2
- http://www.ubuntu.com/usn/USN-1971-1
- http://www.ubuntu.com/usn/USN-1974-1
- https://github.com/torvalds/linux/commit/6160968cee8b90a5dd95318d716e31d7775c4efExploitPatch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://twitter.com/grsecurity/statuses/364566062336978944
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.6
- http://www.openwall.com/lists/oss-security/2013/08/06/2
- http://www.ubuntu.com/usn/USN-1971-1
- http://www.ubuntu.com/usn/USN-1974-1
- https://github.com/torvalds/linux/commit/6160968cee8b90a5dd95318d716e31d7775c4efExploitPatch
FAQ
What is CVE-2013-4205?
CVE-2013-4205 is a vulnerability with a CVSS score of 4.7 (MEDIUM). Memory leak in the unshare_userns function in kernel/user_namespace.c in the Linux kernel before 3.10.6 allows local users to cause a denial of service (memory consumption) via an invalid CLONE_NEWUSE...
How severe is CVE-2013-4205?
CVE-2013-4205 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-4205?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.