{
    "id": "CVE-2016-9793",
    "published": "2016-12-28 07:59:00",
    "last_modified": "2026-06-17 00:56:33",
    "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-119",
    "description": "The sock_setsockopt function in net/core/sock.c in the Linux kernel before 4.8.14 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact by leveraging the CAP_NET_ADMIN capability for a crafted setsockopt system call with the (1) SO_SNDBUFFORCE or (2) SO_RCVBUFFORCE option.",
    "epss_score": "0.01566",
    "epss_percentile": "0.74600",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-10 18:17:14",
    "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": "41995",
            "title": "Linux Kernel 3.11 < 4.8 0 - 'SO_SNDBUFFORCE' / 'SO_RCVBUFFORCE' Local Privilege Escalation",
            "date": "2017-03-22",
            "url": "https://www.exploit-db.com/exploits/41995"
        }
    ],
    "refs_list": [
        "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b98b0bc8c431e3ceb4b26b0dfc8db509518fb290",
        "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14",
        "http://www.openwall.com/lists/oss-security/2016/12/03/1",
        "http://www.securityfocus.com/bid/94655",
        "http://www.securitytracker.com/id/1037968",
        "https://access.redhat.com/errata/RHSA-2017:0931",
        "https://access.redhat.com/errata/RHSA-2017:0932",
        "https://access.redhat.com/errata/RHSA-2017:0933",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1402013",
        "https://github.com/torvalds/linux/commit/b98b0bc8c431e3ceb4b26b0dfc8db509518fb290",
        "https://github.com/xairy/kernel-exploits/tree/master/CVE-2016-9793",
        "https://source.android.com/security/bulletin/2017-03-01.html",
        "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b98b0bc8c431e3ceb4b26b0dfc8db509518fb290",
        "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14",
        "http://www.openwall.com/lists/oss-security/2016/12/03/1",
        "http://www.securityfocus.com/bid/94655",
        "http://www.securitytracker.com/id/1037968",
        "https://access.redhat.com/errata/RHSA-2017:0931",
        "https://access.redhat.com/errata/RHSA-2017:0932",
        "https://access.redhat.com/errata/RHSA-2017:0933",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1402013",
        "https://github.com/torvalds/linux/commit/b98b0bc8c431e3ceb4b26b0dfc8db509518fb290",
        "https://github.com/xairy/kernel-exploits/tree/master/CVE-2016-9793",
        "https://source.android.com/security/bulletin/2017-03-01.html"
    ]
}