CVE-2014-0196

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.

Scoring

Severity

MEDIUM

CVSS base score

5.5

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS probability

61.76%

CISA KEV

Known exploited vulnerability

Published

2014-05-07

Last modified

2026-09-16

Affected products

• n/a n/a

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