{
    "id": "CVE-2017-2671",
    "published": "2017-04-05 06:59:00",
    "last_modified": "2026-06-17 01:16:37",
    "cvss_score": "5.5",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "cwe": null,
    "description": "The ping_unhash function in net/ipv4/ping.c in the Linux kernel through 4.10.8 is too late in obtaining a certain lock and consequently cannot ensure that disconnect function calls are safe, which allows local users to cause a denial of service (panic) by leveraging access to the protocol value of IPPROTO_ICMP in a socket system call.",
    "epss_score": "0.01463",
    "epss_percentile": "0.72882",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-10 18:17:16",
    "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": "42135",
            "title": "Linux Kernel - 'ping' Local Denial of Service",
            "date": "2017-06-07",
            "url": "https://www.exploit-db.com/exploits/42135"
        }
    ],
    "refs_list": [
        "http://openwall.com/lists/oss-security/2017/04/04/8",
        "http://www.securityfocus.com/bid/97407",
        "https://access.redhat.com/errata/RHSA-2017:1842",
        "https://access.redhat.com/errata/RHSA-2017:2077",
        "https://access.redhat.com/errata/RHSA-2017:2669",
        "https://access.redhat.com/errata/RHSA-2018:1854",
        "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/net/ipv4/ping.c?id=43a6684519ab0a6c52024b5e25322476cabad893",
        "https://github.com/danieljiang0415/android_kernel_crash_poc",
        "https://github.com/torvalds/linux/commit/43a6684519ab0a6c52024b5e25322476cabad893",
        "https://twitter.com/danieljiang0415/status/845116665184497664",
        "https://usn.ubuntu.com/3754-1/",
        "https://www.exploit-db.com/exploits/42135/",
        "http://openwall.com/lists/oss-security/2017/04/04/8",
        "http://www.securityfocus.com/bid/97407",
        "https://access.redhat.com/errata/RHSA-2017:1842",
        "https://access.redhat.com/errata/RHSA-2017:2077",
        "https://access.redhat.com/errata/RHSA-2017:2669",
        "https://access.redhat.com/errata/RHSA-2018:1854",
        "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/net/ipv4/ping.c?id=43a6684519ab0a6c52024b5e25322476cabad893",
        "https://github.com/danieljiang0415/android_kernel_crash_poc",
        "https://github.com/torvalds/linux/commit/43a6684519ab0a6c52024b5e25322476cabad893",
        "https://twitter.com/danieljiang0415/status/845116665184497664",
        "https://usn.ubuntu.com/3754-1/",
        "https://www.exploit-db.com/exploits/42135/"
    ]
}