{
    "id": "CVE-2023-52442",
    "published": "2024-02-21 08:15:45",
    "last_modified": "2026-08-04 10:18:27",
    "cvss_score": "9.1",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
    "cwe": null,
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: validate session id and tree id in compound request\n\n`smb2_get_msg()` in smb2_get_ksmbd_tcon() and smb2_check_user_session()\nwill always return the first request smb2 header in a compound request.\nif `SMB2_TREE_CONNECT_HE` is the first command in compound request, will\nreturn 0, i.e. The tree id check is skipped.\nThis patch use ksmbd_req_buf_next() to get current command in compound.",
    "epss_score": "0.29644",
    "epss_percentile": "0.98147",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-03 18:17:41",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 29.6% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "linux",
            "product": "linux_kernel"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://git.kernel.org/stable/c/017d85c94f02090a87f4a473dbe0d6ee0da72693",
        "https://git.kernel.org/stable/c/3df0411e132ee74a87aa13142dfd2b190275332e",
        "https://git.kernel.org/stable/c/4c2b350b2e269e3fd17bbfa42de1b42775b777ac",
        "https://git.kernel.org/stable/c/becb5191d1d5fdfca0198a2e37457bbbf4fe266f",
        "https://git.kernel.org/stable/c/017d85c94f02090a87f4a473dbe0d6ee0da72693",
        "https://git.kernel.org/stable/c/3df0411e132ee74a87aa13142dfd2b190275332e",
        "https://git.kernel.org/stable/c/4c2b350b2e269e3fd17bbfa42de1b42775b777ac",
        "https://git.kernel.org/stable/c/becb5191d1d5fdfca0198a2e37457bbbf4fe266f"
    ]
}