{"cve_id":"CVE-2014-0196","published":"2014-05-07T10:55:04.337000+00:00","last_modified":"2026-06-17T00:02:29.250000+00:00","vuln_status":"Analyzed","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.","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","base_score":5.5,"base_severity":"MEDIUM","attack_vector":"LOCAL","privileges_req":"LOW","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"NONE","impact_i":"NONE","impact_a":"HIGH","cwe_ids":["CWE-362"],"in_kev":true,"kev_date_added":"2023-05-12","kev_ransomware":false,"epss_score":0.20329,"epss_percentile":0.9748,"cap_rule_version":"0.1.1","stage":"PRIV_ESC","req_access":"USER","req_vector":"LOCAL","req_user_interaction":false,"grant_access":"PRIV","caps":["CODE_EXEC","DOS","PRIV_GAIN"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T08:17:28.489625+00:00","first_seen":"2014-05-07T10:55:04.337000+00:00","kev_first_seen":"2023-05-12T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["canonical","debian","f5","linux","oracle","redhat","suse"],"products":["big-ip_access_policy_manager","big-ip_advanced_firewall_manager","big-ip_analytics","big-ip_application_acceleration_manager","big-ip_application_security_manager","big-ip_edge_gateway","big-ip_global_traffic_manager","big-ip_link_controller","big-ip_local_traffic_manager","big-ip_policy_enforcement_manager","big-ip_protocol_security_module","big-ip_wan_optimization_manager","big-ip_webaccelerator","big-iq_application_delivery_controller","big-iq_centralized_management","big-iq_cloud","big-iq_cloud_and_orchestration","big-iq_device","big-iq_security","debian_linux","enterprise_linux","enterprise_linux_eus","enterprise_linux_server_eus","enterprise_manager","linux","linux_kernel","suse_linux_enterprise_desktop","suse_linux_enterprise_high_availability_extension","suse_linux_enterprise_server","ubuntu_linux"],"affected":[{"vendor":"canonical","product":"ubuntu_linux","ranges":["10.04","13.10","12.10","12.04","14.04"]},{"vendor":"debian","product":"debian_linux","ranges":["6.0","7.0"]},{"vendor":"f5","product":"big-ip_access_policy_manager","ranges":["≥ 11.1.0 and ≤ 11.5.1"]},{"vendor":"f5","product":"big-ip_advanced_firewall_manager","ranges":["≥ 11.3.0 and ≤ 11.5.1"]},{"vendor":"f5","product":"big-ip_analytics","ranges":["≥ 11.1.0 and ≤ 11.5.1"]},{"vendor":"f5","product":"big-ip_application_acceleration_manager","ranges":["≥ 11.4.0 and ≤ 11.5.1"]},{"vendor":"f5","product":"big-ip_application_security_manager","ranges":["≥ 11.1.0 and ≤ 11.5.1"]},{"vendor":"f5","product":"big-ip_edge_gateway","ranges":["≥ 11.1.0 and ≤ 11.3.0"]},{"vendor":"f5","product":"big-ip_global_traffic_manager","ranges":["≥ 11.1.0 and ≤ 11.5.1"]},{"vendor":"f5","product":"big-ip_link_controller","ranges":["≥ 11.1.0 and ≤ 11.5.1"]},{"vendor":"f5","product":"big-ip_local_traffic_manager","ranges":["≥ 11.1.0 and ≤ 11.5.1"]},{"vendor":"f5","product":"big-ip_policy_enforcement_manager","ranges":["≥ 11.3.0 and ≤ 11.5.1"]},{"vendor":"f5","product":"big-ip_protocol_security_module","ranges":["≥ 11.1.0 and ≤ 11.4.1"]},{"vendor":"f5","product":"big-ip_wan_optimization_manager","ranges":["≥ 11.1.0 and ≤ 11.3.0"]},{"vendor":"f5","product":"big-ip_webaccelerator","ranges":["≥ 11.1.0 and ≤ 11.3.0"]},{"vendor":"f5","product":"big-iq_application_delivery_controller","ranges":["4.5.0"]},{"vendor":"f5","product":"big-iq_centralized_management","ranges":["4.6.0"]},{"vendor":"f5","product":"big-iq_cloud","ranges":["≥ 4.0.0 and ≤ 4.5.0"]},{"vendor":"f5","product":"big-iq_cloud_and_orchestration","ranges":["1.0.0"]},{"vendor":"f5","product":"big-iq_device","ranges":["≥ 4.2.0 and ≤ 4.5.0"]},{"vendor":"f5","product":"big-iq_security","ranges":["≥ 4.0.0 and ≤ 4.5.0"]},{"vendor":"f5","product":"enterprise_manager","ranges":["3.1.1","3.1.0"]},{"vendor":"linux","product":"linux_kernel","ranges":["≥ 3.13 and < 3.14.4","2.6.31","≥ 3.11 and < 3.12.20","≥ 3.5 and < 3.10.40","≥ 3.3 and < 3.4.91","> 2.6.31 and < 3.2.59"]},{"vendor":"oracle","product":"linux","ranges":["6"]},{"vendor":"redhat","product":"enterprise_linux","ranges":["6.0"]},{"vendor":"redhat","product":"enterprise_linux_eus","ranges":["6.4","6.3"]},{"vendor":"redhat","product":"enterprise_linux_server_eus","ranges":["6.3"]},{"vendor":"suse","product":"suse_linux_enterprise_desktop","ranges":["11"]},{"vendor":"suse","product":"suse_linux_enterprise_high_availability_extension","ranges":["11"]},{"vendor":"suse","product":"suse_linux_enterprise_server","ranges":["11"]}]}