CVE-2014-0196

MEDIUM5.5

CISA KEV

Published 2014-05-07 · Updated 2026-06-17 · Source secalert@redhat.com

Summary

CVE-2014-0196 is a medium-severity (CVSS 5.5) vulnerability in Linux Kernel. CISA added it to the Known Exploited Vulnerabilities catalog on May 12, 2023, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by June 2, 2023. CISA does not currently list it as used in ransomware campaigns. Linux has 32 vulnerabilities in the KEV catalog, 2 of them linked to ransomware.

All 32 known-exploited Linux vulnerabilities →

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

CWE-362CWE-362

CISA Known-Exploited Vulnerability

Product: Linux — Kernel

Name: Linux Kernel Race Condition Vulnerability

Date added: 2023-05-12 · Due: 2023-06-02

Required action: The impacted product is end-of-life and should be disconnected if still in use.

References

View on NVD

More exploited Linux vulnerabilities

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CVE-2026-46300
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added 2026-10-28
CVE-2025-39964
Kernel — Linux Kernel Race Condition Vulnerability
added 2026-09-18
CVE-2026-53266
Kernel — Linux Kernel Out-of-Bounds Write Vulnerability
added 2026-09-18
CVE-2025-39682
Kernel — Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability
added 2026-09-18
CVE-2026-53362
Kernel — Linux Kernel Unspecified Vulnerability
added 2026-08-27
CVE-2022-0995
Kernel — Linux Kernel Out-of-Bounds Write Vulnerability
added 2026-08-26

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