{
    "id": "CVE-2012-0055",
    "published": "2020-02-19 18:15:09",
    "last_modified": "2026-06-16 23:36:35",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-862",
    "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.",
    "epss_score": "0.01241",
    "epss_percentile": "0.68349",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-11 18:17:09",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "linux",
            "product": "linux_kernel"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "36571",
            "title": "OverlayFS inode Security Checks - 'inode.c' Local Security Bypass",
            "date": "2012-01-17",
            "url": "https://www.exploit-db.com/exploits/36571"
        }
    ],
    "refs_list": [
        "http://www.openwall.com/lists/oss-security/2012/01/17/11",
        "http://www.ubuntu.com/usn/USN-1363-1",
        "http://www.ubuntu.com/usn/USN-1364-1",
        "http://www.ubuntu.com/usn/USN-1384-1",
        "https://access.redhat.com/security/cve/cve-2012-0055",
        "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/915941",
        "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-0055",
        "http://www.openwall.com/lists/oss-security/2012/01/17/11",
        "http://www.ubuntu.com/usn/USN-1363-1",
        "http://www.ubuntu.com/usn/USN-1364-1",
        "http://www.ubuntu.com/usn/USN-1384-1",
        "https://access.redhat.com/security/cve/cve-2012-0055",
        "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/915941",
        "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-0055"
    ]
}