CVE-2012-0055

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.39%
Third-Party Advisory openwall.com Third-Party Advisory ubuntu.com Third-Party Advisory ubuntu.com Third-Party Advisory ubuntu.com Third-Party Advisory redhat.com Third-Party Advisory launchpad.net Third-Party Advisory suse.com
Affected: Linux kernel OverlayFS
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2012/01/17/11 patch mailing list exploit third party advisory
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-0055 third party advisory issue tracking
https://access.redhat.com/security/cve/cve-2012-0055 third party advisory
http://www.ubuntu.com/usn/USN-1363-1 third party advisory
http://www.ubuntu.com/usn/USN-1364-1 third party advisory
http://www.ubuntu.com/usn/USN-1384-1 third party advisory
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/915941 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2012-0055?
CVE-2012-0055 has been scored as a high severity vulnerability.
How to fix CVE-2012-0055?
To fix CVE-2012-0055, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-0055 being actively exploited in the wild?
It is possible that CVE-2012-0055 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2012-0055?
CVE-2012-0055 affects Linux kernel OverlayFS.
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