Vulnerability Description
OverlayFS in the Linux kernel before 3.0.0-16.28, as used in Ubuntu 10.0.4 LTS and 11.10, is missing inode security checks which could allow attackers to bypass security restrictions and perform unauthorized actions.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.0.0 |
| Canonical | Ubuntu Linux | 10.04 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2012/01/17/11ExploitMailing ListPatch
- http://www.ubuntu.com/usn/USN-1363-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-1364-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-1384-1Third Party Advisory
- https://access.redhat.com/security/cve/cve-2012-0055Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/915941ExploitThird Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-0055Issue TrackingThird Party Advisory
- http://www.openwall.com/lists/oss-security/2012/01/17/11ExploitMailing ListPatch
- http://www.ubuntu.com/usn/USN-1363-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-1364-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-1384-1Third Party Advisory
- https://access.redhat.com/security/cve/cve-2012-0055Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/915941ExploitThird Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-0055Issue TrackingThird Party Advisory
FAQ
What is CVE-2012-0055?
CVE-2012-0055 is a vulnerability with a CVSS score of 7.8 (HIGH). OverlayFS in the Linux kernel before 3.0.0-16.28, as used in Ubuntu 10.0.4 LTS and 11.10, is missing inode security checks which could allow attackers to bypass security restrictions and perform unaut...
How severe is CVE-2012-0055?
CVE-2012-0055 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-0055?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux.