{
    "id": "CVE-2017-16939",
    "published": "2017-11-24 10:29:00",
    "last_modified": "2026-06-17 01:10:10",
    "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-416",
    "description": "The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel before 4.13.11 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages.",
    "epss_score": "0.02150",
    "epss_percentile": "0.81609",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-10 18:17:15",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "linux",
            "product": "linux_kernel"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "44049",
            "title": "Linux Kernel (Ubuntu 17.04) - 'XFRM' Local Privilege Escalation",
            "date": "2017-11-23",
            "url": "https://www.exploit-db.com/exploits/44049"
        }
    ],
    "refs_list": [
        "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1137b5e2529a8f5ca8ee709288ecba3e68044df2",
        "http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html",
        "http://seclists.org/fulldisclosure/2017/Nov/40",
        "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11",
        "http://www.securityfocus.com/bid/101954",
        "https://access.redhat.com/errata/RHSA-2018:1318",
        "https://access.redhat.com/errata/RHSA-2018:1355",
        "https://access.redhat.com/errata/RHSA-2019:1170",
        "https://access.redhat.com/errata/RHSA-2019:1190",
        "https://blogs.securiteam.com/index.php/archives/3535",
        "https://bugzilla.suse.com/show_bug.cgi?id=1069702",
        "https://github.com/torvalds/linux/commit/1137b5e2529a8f5ca8ee709288ecba3e68044df2",
        "https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html",
        "https://www.debian.org/security/2018/dsa-4082",
        "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1137b5e2529a8f5ca8ee709288ecba3e68044df2",
        "http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html",
        "http://seclists.org/fulldisclosure/2017/Nov/40",
        "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11",
        "http://www.securityfocus.com/bid/101954",
        "https://access.redhat.com/errata/RHSA-2018:1318",
        "https://access.redhat.com/errata/RHSA-2018:1355",
        "https://access.redhat.com/errata/RHSA-2019:1170",
        "https://access.redhat.com/errata/RHSA-2019:1190",
        "https://blogs.securiteam.com/index.php/archives/3535",
        "https://bugzilla.suse.com/show_bug.cgi?id=1069702"
    ]
}