{
    "id": "CVE-2014-4699",
    "published": "2014-07-09 11:07:03",
    "last_modified": "2026-06-17 00:10:28",
    "cvss_score": "6.9",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-362",
    "description": "The Linux kernel before 3.15.4 on Intel processors does not properly restrict use of a non-canonical value for the saved RIP address in the case of a system call that does not use IRET, which allows local users to leverage a race condition and gain privileges, or cause a denial of service (double fault), via a crafted application that makes ptrace and fork system calls.",
    "epss_score": "0.02324",
    "epss_percentile": "0.82959",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-07 18:17:11",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "linux",
            "product": "linux_kernel"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "34134",
            "title": "Linux Kernel < 3.2.0-23 (Ubuntu 12.04 x64) - 'ptrace/sysret' Local Privilege Escalation",
            "date": "2014-07-21",
            "url": "https://www.exploit-db.com/exploits/34134"
        }
    ],
    "refs_list": [
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b9cd18de4db3c9ffa7e17b0dc0ca99ed5aa4d43a",
        "http://linux.oracle.com/errata/ELSA-2014-0924.html",
        "http://linux.oracle.com/errata/ELSA-2014-3047.html",
        "http://linux.oracle.com/errata/ELSA-2014-3048.html",
        "http://openwall.com/lists/oss-security/2014/07/05/4",
        "http://openwall.com/lists/oss-security/2014/07/08/16",
        "http://openwall.com/lists/oss-security/2014/07/08/5",
        "http://packetstormsecurity.com/files/127573/Linux-Kernel-ptrace-sysret-Local-Privilege-Escalation.html",
        "http://secunia.com/advisories/59633",
        "http://secunia.com/advisories/59639",
        "http://secunia.com/advisories/59654",
        "http://secunia.com/advisories/60220",
        "http://secunia.com/advisories/60380",
        "http://secunia.com/advisories/60393",
        "http://www.debian.org/security/2014/dsa-2972",
        "http://www.exploit-db.com/exploits/34134",
        "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.4",
        "http://www.openwall.com/lists/oss-security/2014/07/04/4",
        "http://www.osvdb.org/108754",
        "http://www.ubuntu.com/usn/USN-2266-1",
        "http://www.ubuntu.com/usn/USN-2267-1",
        "http://www.ubuntu.com/usn/USN-2268-1",
        "http://www.ubuntu.com/usn/USN-2269-1",
        "http://www.ubuntu.com/usn/USN-2270-1",
        "http://www.ubuntu.com/usn/USN-2271-1"
    ]
}