CVE-2012-0055
CVSS v3
7.8
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2020-02-19
- Exploit-DB
- EDB-36571
Frequently asked questions
What is CVE-2012-0055?
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.
Is CVE-2012-0055 actively exploited?
Active exploitation of CVE-2012-0055 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2012-0055?
CVE-2012-0055 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2012-0055 affecting your environment?
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