CVE-2012-0055

Name: CVE-2012-0055
Creator: NVD / NIST
Published: 2020-02-19T18:15:09.853+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.24%

Last modified Jun 16, 2026

CVE-2012-0055 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.24%

65.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 3.0.0
Canonical	Ubuntu Linux	10.04
Canonical	Ubuntu Linux	11.10

References

http://www.openwall.com/lists/oss-security/2012/01/17/11Exploit, Mailing List, Patch, Third Party Advisory
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/915941Exploit, Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-0055Issue Tracking, Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/01/17/11Exploit, Mailing List, Patch, Third Party Advisory
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/915941Exploit, Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-0055Issue Tracking, Third Party Advisory

Timeline

Published: Feb 19, 2020
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-0055?

How severe is CVE-2012-0055?

CVE-2012-0055 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2012-0055?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-0055?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST