{"id":"CVE-2014-0196","published":"2014-05-07T10:55:04Z","modified":"2026-06-17T00:02:29Z","title":"Linux Kernel Race Condition Vulnerability","vendor":"Linux","product":"Kernel","tier":"core","eol":null,"description":{"text":"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.","provenance":"source","from":"NVD"},"summary":{"text":"A race condition in the n_tty_write function in drivers/tty/n_tty.c of the Linux kernel (through 3.14.3) mishandles tty driver access in the \"LECHO & !OPOST\" case, due to improper synchronization of a shared resource. A local user with low privileges and no user interaction can trigger it through concurrent read and write operations using long strings, leading to a denial of service via memory corruption and system crash, or potentially privilege escalation.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:11:43Z"},"cvss":{"score":5.5,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.20329,"percentile":0.9747,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2023-05-12","dueDate":"2023-06-02","ransomware":false,"requiredAction":"The impacted product is end-of-life and should be disconnected if still in use.","notes":"https://lkml.iu.edu/hypermail/linux/kernel/1609.1/02103.html; https://nvd.nist.gov/vuln/detail/CVE-2014-0196","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-05-12","exploitedFirstSeen":"2023-05-12","ransomware":false,"evidence":[{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2023-05-12"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-362","name":"Concurrent Execution using Shared Resource with Improper 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description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2014-0247","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-0247","exploited":true,"exploitedSince":"2023-05-12","provenance":"source"},"exploits":[{"id":33516,"url":"https://www.exploit-db.com/exploits/33516","title":"Linux Kernel 3.14-rc1 < 3.15-rc4 (x64) - Raw Mode PTY Echo Race Condition Privilege 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