High severity7.8NVD Advisory· Published Feb 19, 2020· Updated Jun 16, 2026

CVE-2012-0055

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Canonical/Ubuntu Linux2 versions
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*+ 1 more
- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
Linux/Kernel2 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: <3.0.0
- (no CPE)range: <3.0.0-16.28
Ubuntu/Ubuntullm-fuzzy
Range: 10.0.4 LTS and 11.10
Linux/Overlayfsv5
Range: before 3.0.0-16.28

Patches

Vulnerability mechanics

References

www.openwall.com/lists/oss-security/2012/01/17/11nvdExploitMailing ListPatchThird Party Advisory
bugs.launchpad.net/ubuntu/+source/linux/+bug/915941nvdExploitThird Party Advisory
www.ubuntu.com/usn/USN-1363-1nvdThird Party Advisory
www.ubuntu.com/usn/USN-1364-1nvdThird Party Advisory
www.ubuntu.com/usn/USN-1384-1nvdThird Party Advisory
access.redhat.com/security/cve/cve-2012-0055nvdThird Party Advisory
bugzilla.suse.com/show_bug.cginvdIssue TrackingThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.001
exploit	0.030
kev	0.000
patch	0.000
ransomware	0.000