{
    "id": "CVE-2014-0196",
    "published": "2014-05-07 10:55:04",
    "last_modified": "2026-06-17 00:02:29",
    "cvss_score": "5.5",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "cwe": "CWE-362",
    "description": "The n_tty_write function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the \"LECHO & !OPOST\" case, which allows local users to cause a denial of service (memory corruption and system crash) or gain privileges by triggering a race condition involving read and write operations with long strings.",
    "epss_score": "0.22475",
    "epss_percentile": "0.97632",
    "kev": 1,
    "kev_due": "2023-06-02",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:19:22",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2023-06-02."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "f5",
            "product": "big-ip_access_policy_manager"
        },
        {
            "vendor": "f5",
            "product": "big-ip_advanced_firewall_manager"
        },
        {
            "vendor": "f5",
            "product": "big-ip_analytics"
        },
        {
            "vendor": "f5",
            "product": "big-ip_application_acceleration_manager"
        },
        {
            "vendor": "f5",
            "product": "big-ip_application_security_manager"
        },
        {
            "vendor": "f5",
            "product": "big-ip_edge_gateway"
        },
        {
            "vendor": "f5",
            "product": "big-ip_global_traffic_manager"
        },
        {
            "vendor": "f5",
            "product": "big-ip_link_controller"
        },
        {
            "vendor": "f5",
            "product": "big-ip_local_traffic_manager"
        },
        {
            "vendor": "f5",
            "product": "big-ip_policy_enforcement_manager"
        },
        {
            "vendor": "f5",
            "product": "big-ip_protocol_security_module"
        },
        {
            "vendor": "f5",
            "product": "big-ip_wan_optimization_manager"
        },
        {
            "vendor": "f5",
            "product": "big-ip_webaccelerator"
        },
        {
            "vendor": "f5",
            "product": "big-iq_application_delivery_controller"
        },
        {
            "vendor": "f5",
            "product": "big-iq_centralized_management"
        },
        {
            "vendor": "f5",
            "product": "big-iq_cloud"
        },
        {
            "vendor": "f5",
            "product": "big-iq_cloud_and_orchestration"
        },
        {
            "vendor": "f5",
            "product": "big-iq_device"
        },
        {
            "vendor": "f5",
            "product": "big-iq_security"
        },
        {
            "vendor": "f5",
            "product": "enterprise_manager"
        },
        {
            "vendor": "linux",
            "product": "linux_kernel"
        },
        {
            "vendor": "oracle",
            "product": "linux"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_eus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server_eus"
        },
        {
            "vendor": "suse",
            "product": "suse_linux_enterprise_desktop"
        },
        {
            "vendor": "suse",
            "product": "suse_linux_enterprise_high_availability_extension"
        },
        {
            "vendor": "suse",
            "product": "suse_linux_enterprise_server"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2014-0196",
        "date_added": "2023-05-12",
        "due_date": "2023-06-02",
        "vendor": "Linux",
        "product": "Kernel",
        "name": "Linux Kernel Race Condition Vulnerability",
        "ransomware": 0
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "33516",
            "title": "Linux Kernel 3.14-rc1 < 3.15-rc4 (x64) - Raw Mode PTY Echo Race Condition Privilege Escalation",
            "date": "2014-05-26",
            "url": "https://www.exploit-db.com/exploits/33516"
        }
    ],
    "refs_list": [
        "http://bugzilla.novell.com/show_bug.cgi?id=875690",
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4291086b1f081b869c6d79e5b7441633dc3ace00",
        "http://linux.oracle.com/errata/ELSA-2014-0771.html",
        "http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00007.html",
        "http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00012.html",
        "http://pastebin.com/raw.php?i=yTSFUBgZ",
        "http://rhn.redhat.com/errata/RHSA-2014-0512.html",
        "http://secunia.com/advisories/59218",
        "http://secunia.com/advisories/59262",
        "http://secunia.com/advisories/59599",
        "http://source.android.com/security/bulletin/2016-07-01.html",
        "http://support.f5.com/kb/en-us/solutions/public/15000/300/sol15319.html",
        "http://www.debian.org/security/2014/dsa-2926",
        "http://www.debian.org/security/2014/dsa-2928",
        "http://www.exploit-db.com/exploits/33516",
        "http://www.openwall.com/lists/oss-security/2014/05/05/6",
        "http://www.osvdb.org/106646",
        "http://www.ubuntu.com/usn/USN-2196-1",
        "http://www.ubuntu.com/usn/USN-2197-1",
        "http://www.ubuntu.com/usn/USN-2198-1",
        "http://www.ubuntu.com/usn/USN-2199-1",
        "http://www.ubuntu.com/usn/USN-2200-1",
        "http://www.ubuntu.com/usn/USN-2201-1",
        "http://www.ubuntu.com/usn/USN-2202-1",
        "http://www.ubuntu.com/usn/USN-2203-1"
    ]
}