{
    "id": "CVE-2012-5375",
    "published": "2013-02-18 11:56:38",
    "last_modified": "2026-06-16 23:46:45",
    "cvss_score": "4.0",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
    "cwe": "CWE-310",
    "description": "The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (prevention of file creation) by leveraging the ability to write to a directory important to the victim, and creating a file with a crafted name that is associated with a specific CRC32C hash value.",
    "epss_score": "0.00858",
    "epss_percentile": "0.57377",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-13 18:17:11",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "linux",
            "product": "linux_kernel"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "38132",
            "title": "Linux Kernel 3.3.5 - Btrfs CRC32C feature Infinite Loop Local Denial of Service",
            "date": "2012-12-13",
            "url": "https://www.exploit-db.com/exploits/38132"
        }
    ],
    "refs_list": [
        "http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/",
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9c52057c698fb96f8f07e7a4bcf4801a092bda89",
        "http://openwall.com/lists/oss-security/2012/12/13/20",
        "http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2",
        "http://www.ubuntu.com/usn/USN-1944-1",
        "http://www.ubuntu.com/usn/USN-1945-1",
        "http://www.ubuntu.com/usn/USN-1946-1",
        "http://www.ubuntu.com/usn/USN-1947-1",
        "http://www.ubuntu.com/usn/USN-2017-1",
        "https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89",
        "http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/",
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9c52057c698fb96f8f07e7a4bcf4801a092bda89",
        "http://openwall.com/lists/oss-security/2012/12/13/20",
        "http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2",
        "http://www.ubuntu.com/usn/USN-1944-1",
        "http://www.ubuntu.com/usn/USN-1945-1",
        "http://www.ubuntu.com/usn/USN-1946-1",
        "http://www.ubuntu.com/usn/USN-1947-1",
        "http://www.ubuntu.com/usn/USN-2017-1",
        "https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89"
    ]
}