Is CVE-2014-0196 actively exploited?

CVE-2014-0196 has no public evidence of in-the-wild exploitation as of 2025-10-22.

What is the CVSS score for CVE-2014-0196?

CVE-2014-0196 has a CVSS score of 5.5 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2014-0196?

Patch guidance is available from linux security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2014-0196.

CVE-2014-0196 - remediation guidance & executive summary

Q: Which products are affected by CVE-2014-0196?

50 products: linux linux kernel, linux linux kernel, linux linux kernel, linux linux kernel, linux linux kernel, and 45 more.

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 Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-362 · Race Condition CWE-362 · Race Condition

Metadata

Primary Vendor: LINUX
Published: 5/7/2014
Last Modified: 10/22/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

linux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kerneldebian : debian_linuxdebian : debian_linuxredhat : enterprise_linuxredhat : enterprise_linux_eusredhat : enterprise_linux_eusredhat : enterprise_linux_server_eussuse : suse_linux_enterprise_desktopsuse : suse_linux_enterprise_high_availability_extensionsuse : suse_linux_enterprise_serversuse : suse_linux_enterprise_serveroracle : linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxf5 : big-ip_access_policy_managerf5 : big-ip_advanced_firewall_managerf5 : big-ip_analyticsf5 : big-ip_application_acceleration_managerf5 : big-ip_application_security_managerf5 : big-ip_edge_gatewayf5 : big-ip_global_traffic_managerf5 : big-ip_link_controllerf5 : big-ip_local_traffic_managerf5 : big-ip_policy_enforcement_managerf5 : big-ip_protocol_security_modulef5 : big-ip_wan_optimization_managerf5 : big-ip_webacceleratorf5 : big-iq_application_delivery_controllerf5 : big-iq_centralized_managementf5 : big-iq_cloudf5 : big-iq_cloud_and_orchestrationf5 : big-iq_devicef5 : big-iq_securityf5 : enterprise_managerf5 : enterprise_manager

Remediation Guidance

Executive Summary

View on NIST NVD