Vulnerability Description
The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and "updating a negative key into a fully instantiated key."
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | 2.6 |
Related Weaknesses (CWE)
References
- http://marc.info/?l=bugtraq&m=139447903326211&w=2
- http://secunia.com/advisories/47754
- http://www.openwall.com/lists/oss-security/2011/11/21/19
- http://www.openwall.com/lists/oss-security/2011/11/22/5
- http://www.openwall.com/lists/oss-security/2011/11/22/6
- http://www.securityfocus.com/bid/50755
- http://www.ubuntu.com/usn/USN-1324-1
- http://www.ubuntu.com/usn/USN-1328-1
- http://www.ubuntu.com/usn/USN-1344-1
- https://bugzilla.redhat.com/show_bug.cgi?id=751297Patch
- https://lkml.org/lkml/2011/11/15/363Exploit
- http://marc.info/?l=bugtraq&m=139447903326211&w=2
- http://secunia.com/advisories/47754
- http://www.openwall.com/lists/oss-security/2011/11/21/19
- http://www.openwall.com/lists/oss-security/2011/11/22/5
FAQ
What is CVE-2011-4110?
CVE-2011-4110 is a vulnerability with a CVSS score of 2.1 (LOW). The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a use...
How severe is CVE-2011-4110?
CVE-2011-4110 has been rated LOW with a CVSS base score of 2.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-4110?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.