# CVE-2014-0196: Linux Kernel Race Condition Vulnerability

Source: https://junglewise.ai/threats/cve-2014-0196-linux-kernel-race-condition-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-05-12. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2014-0196 · Severity: critical · CVSS 6.9 · Exploited in the wild · Published 2023-05-12

A race condition in the n_tty_write function in drivers/tty/n_tty.c in the Linux kernel allows local users to cause memory corruption and a system crash or gain elevated privileges. The vulnerability is triggered via specific read and write operations with long strings when the LECHO & !OPOST case is active.

Technologies: [Linux Kernel](https://junglewise.ai/threats/technologies/kernel). Vendors: [Linux](https://junglewise.ai/threats/vendors/linux).

## Quick answers

**Is CVE-2014-0196 exploited in the wild?** Yes. CVE-2014-0196 is known to be exploited in the wild, first recorded on 12 May 2023. Treat it as urgent.

**How severe is CVE-2014-0196?** Critical severity, with a CVSS score of 6.9, published 12 May 2023.

**Which products and versions are affected?** Linux Linux Kernel through 3.14.3; F5 BIG-IP Access Policy Manager 11.1.0 through 11.5.1; F5 BIG-IP Advanced Firewall Manager 11.3.0 through 11.5.1; F5 BIG-IP Analytics 11.1.0 through 11.5.1; and 1 more.

**Is there a fix for CVE-2014-0196?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2014-0196 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2014-0196?** Check whether you run Linux Kernel. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Linux Linux Kernel through 3.14.3
- F5 BIG-IP Access Policy Manager 11.1.0 through 11.5.1
- F5 BIG-IP Advanced Firewall Manager 11.3.0 through 11.5.1
- F5 BIG-IP Analytics 11.1.0 through 11.5.1
- F5 BIG-IP Application Acceleration Manager 11.4.0 through 11.5.1

## Timeline

- 2014-05-05: disclosed: Initial public disclosure on oss-security mailing list
- 2023-05-12: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2023-05-12: other: Published date in advisory record

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