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
Published Feb 19, 2020
7.8
HIGHCVSS 3.1
EPSS 1.24%
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.
Affected products
-
- Version as used in Ubuntu 10.0.4 LTS and 11.10StatusaffectedConstraints-
- Version before 3.0.0-16.28StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Linux kernel | OverlayFS | n/a |
|
Configuration 1
- < 3.0.0
Configuration 2
- 10.04
- 11.10
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the Linux kernels as shipped with Red Hat Enterprise Linux 4, 5, 6, and Red Hat Enterprise MRG as they did not provide support for overlayfs.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.24% (0.01241) | 68.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.24% (0.01241) | 65.19th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.39% (0.00393) | 58.19th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.11% (0.00107) | 45.24th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00108) | 42.08th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.53% (0.02526) | 81.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.53% (0.02526) | 80.10th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.53% (0.02526) | 58.61th | v2 (v2022.01.01) |
References (10)
- http://www.openwall.com/lists/oss-security/2012/01/17/11 mailing-listx_refsource_MLISTExploitMailing ListPatchThird Party Advisory
- http://www.ubuntu.com/usn/USN-1363-1 x_refsource_CONFIRMThird Party Advisory
- http://www.ubuntu.com/usn/USN-1364-1 x_refsource_CONFIRMThird Party Advisory
- http://www.ubuntu.com/usn/USN-1384-1 x_refsource_CONFIRMThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2012-0055 Vendor Advisory
- https://access.redhat.com/security/cve/cve-2012-0055 x_refsource_MISCThird Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/915941 x_refsource_CONFIRMExploitThird Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-0055 x_refsource_MISCIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2012-0055
- https://www.cve.org/CVERecord?id=CVE-2012-0055
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2012/01/17/11 | mailing-listx_refsource_MLISTExploitMailing ListPatchThird Party Advisory | |
| http://www.ubuntu.com/usn/USN-1363-1 | x_refsource_CONFIRMThird Party Advisory | |
| http://www.ubuntu.com/usn/USN-1364-1 | x_refsource_CONFIRMThird Party Advisory | |
| http://www.ubuntu.com/usn/USN-1384-1 | x_refsource_CONFIRMThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2012-0055 | Vendor Advisory | |
| https://access.redhat.com/security/cve/cve-2012-0055 | x_refsource_MISCThird Party Advisory | |
| https://bugs.launchpad.net/ubuntu/+source/linux/+bug/915941 | x_refsource_CONFIRMExploitThird Party Advisory | |
| https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-0055 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-0055 | ||
| https://www.cve.org/CVERecord?id=CVE-2012-0055 |
Change history (0)
No recorded changes yet.