CVE-2014-0196: Linux Kernel Race Condition Vulnerability
Reference page built from the source records below, each shown as its source publishes it. Dataset version ref-bb3fe1de8234, updated 2026-11-02T23:39:54.475Z.
CISA Known Exploited Vulnerabilities
- Name
- Linux Kernel Race Condition Vulnerability
- Vendor
- Linux
- Product
- Kernel
- Added to the catalog
- 2023-05-12
- Due date for US federal agencies
- 2023-06-02
- Weaknesses
- CWE-362
- Catalog version
- 2026.10.30
Linux Kernel contains a race condition vulnerability within the n_tty_write function that allows local users to cause a denial-of-service (DoS) or gain privileges via read and write operations with long strings.
Required action (CISA)
The impacted product is end-of-life and should be disconnected if still in use.
Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.
Links in CISA's notes
- https://lkml.iu.edu/hypermail/linux/kernel/1609.1/02103.html
- https://nvd.nist.gov/vuln/detail/CVE-2014-0196
Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
NVD analysis
- Status
- Analyzed
- Published
- 2014-05-07T10:55:04.337
- Last modified
- 2026-06-17T00:02:29.250
- Weaknesses
- CWE-362
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.
| Metric | Score | Severity | Vector | Scored by |
|---|---|---|---|---|
| CVSS 3.1 | 5.5 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
| CVSS 2.0 | 6.9 | MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C | [email protected] (Primary) |
References
- http://bugzilla.novell.com/show_bug.cgi?id=875690 (Issue Tracking, Permissions Required, Third Party Advisory)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4291086b1f081b869c6d79e5b7441633dc3ace00 (Broken Link)
- http://linux.oracle.com/errata/ELSA-2014-0771.html (Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00007.html (Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00012.html (Mailing List, Third Party Advisory)
- http://pastebin.com/raw.php?i=yTSFUBgZ (Exploit, Mailing List, Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2014-0512.html (Third Party Advisory)
- http://secunia.com/advisories/59218 (Not Applicable)
- http://secunia.com/advisories/59262 (Broken Link)
- http://secunia.com/advisories/59599 (Broken Link)
- http://source.android.com/security/bulletin/2016-07-01.html (Not Applicable)
- http://support.f5.com/kb/en-us/solutions/public/15000/300/sol15319.html (Third Party Advisory)
- http://www.debian.org/security/2014/dsa-2926 (Third Party Advisory)
- http://www.debian.org/security/2014/dsa-2928 (Third Party Advisory)
- http://www.exploit-db.com/exploits/33516 (Exploit, Third Party Advisory, VDB Entry)
- http://www.openwall.com/lists/oss-security/2014/05/05/6 (Mailing List, Third Party Advisory)
- http://www.osvdb.org/106646 (Broken Link)
- http://www.ubuntu.com/usn/USN-2196-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2197-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2198-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2199-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2200-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2201-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2202-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2203-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2204-1 (Third Party Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=1094232 (Issue Tracking, Patch, Third Party Advisory)
- https://github.com/torvalds/linux/commit/4291086b1f081b869c6d79e5b7441633dc3ace00 (Exploit, Patch, Third Party Advisory)
- http://bugzilla.novell.com/show_bug.cgi?id=875690 (Issue Tracking, Permissions Required, Third Party Advisory)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4291086b1f081b869c6d79e5b7441633dc3ace00 (Broken Link)
- http://linux.oracle.com/errata/ELSA-2014-0771.html (Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00007.html (Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00012.html (Mailing List, Third Party Advisory)
- http://pastebin.com/raw.php?i=yTSFUBgZ (Exploit, Mailing List, Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2014-0512.html (Third Party Advisory)
- http://secunia.com/advisories/59218 (Not Applicable)
- http://secunia.com/advisories/59262 (Broken Link)
- http://secunia.com/advisories/59599 (Broken Link)
- http://source.android.com/security/bulletin/2016-07-01.html (Not Applicable)
- http://support.f5.com/kb/en-us/solutions/public/15000/300/sol15319.html (Third Party Advisory)
- http://www.debian.org/security/2014/dsa-2926 (Third Party Advisory)
- http://www.debian.org/security/2014/dsa-2928 (Third Party Advisory)
- http://www.exploit-db.com/exploits/33516 (Exploit, Third Party Advisory, VDB Entry)
- http://www.openwall.com/lists/oss-security/2014/05/05/6 (Mailing List, Third Party Advisory)
- http://www.osvdb.org/106646 (Broken Link)
- http://www.ubuntu.com/usn/USN-2196-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2197-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2198-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2199-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2200-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2201-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2202-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2203-1 (Third Party Advisory)
- http://www.ubuntu.com/usn/USN-2204-1 (Third Party Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=1094232 (Issue Tracking, Patch, Third Party Advisory)
- https://github.com/torvalds/linux/commit/4291086b1f081b869c6d79e5b7441633dc3ace00 (Exploit, Patch, Third Party Advisory)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0196 (US Government Resource)
This product uses the NVD API but is not endorsed or certified by the NVD.
Read on 2026-11-02T23:41:28.906Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2014-0196
CVE record
- Assigner
- redhat
- State
- PUBLISHED
- Published
- 2014-05-07T10:00:00.000Z
- Updated
- 2025-10-22T00:05:37.666Z
- Problem types
- n/a
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.
References
- USN-2203-1
- http://support.f5.com/kb/en-us/solutions/public/15000/300/sol15319.html
- 106646
- SUSE-SU-2014:0683
- [oss-security] 20140429 CVE-2014-0196: Linux kernel pty layer race condition memory corruption
- 59262
- USN-2204-1
- 59218
- USN-2202-1
- 33516
- DSA-2928
- USN-2199-1
- http://linux.oracle.com/errata/ELSA-2014-0771.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1094232
- USN-2197-1
- http://source.android.com/security/bulletin/2016-07-01.html
- RHSA-2014:0512
- 59599
- DSA-2926
- https://github.com/torvalds/linux/commit/4291086b1f081b869c6d79e5b7441633dc3ace00
- SUSE-SU-2014:0667
- http://pastebin.com/raw.php?i=yTSFUBgZ
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4291086b1f081b869c6d79e5b7441633dc3ace00
- http://bugzilla.novell.com/show_bug.cgi?id=875690
- USN-2198-1
- USN-2200-1
- USN-2201-1
- USN-2196-1
Read on 2026-11-03T00:25:04.809Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2014/0xxx/CVE-2014-0196.json
Defensive techniques (MITRE D3FEND)
D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.
CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
- Harden: Domain Logic Validation (acts on Subroutine)
- Harden: Variable Initialization (acts on Subroutine)
- Isolate: Application-based Process Isolation (acts on Subroutine)
- Harden: Credential Scrubbing (acts on Subroutine)
- Model: Software Inventory (acts on Software)
- Harden: Trusted Library (acts on Subroutine)
- Restore: Restore Software (acts on Software)
- Harden: Software Update (acts on Software)
- Model: Asset Vulnerability Enumeration (acts on Software)
D3FEND ontology version 1.6.0.
Read on 2026-11-02T23:56:12.176Z under licence d3fend-terms-of-use@f98cbc7e from https://d3fend.mitre.org/api/weakness/cwe/CWE-362.json
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Sources and licences
CISA
Source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30, CC0 1.0. Use of this data does not imply endorsement by CISA or DHS.
National Vulnerability Database (NIST)
This product uses the NVD API but is not endorsed or certified by the NVD.
NVD API Terms of Use (NIST publications in the public domain, 17 U.S.C. 105)
CVE Program, The MITRE Corporation
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MITRE D3FEND
MITRE D3FEND™ knowledge graph. © 2025 The MITRE Corporation.
"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/MITRE D3FEND Terms of Use (site + knowledge graph); source repo MIT
Cite this page
Dragons Eye Ransomware Tracker, "CVE-2014-0196: Linux Kernel Race Condition Vulnerability",
entity page, dataset version ref-bb3fe1de8234, updated 2026-11-02T23:39:54.475Z,
https://ransomware-tracker.com/cve/CVE-2014-0196 (accessed 2026-11-03).
Underlying source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30.
Underlying source: National Vulnerability Database (NIST), CVE API 2.0, record last modified 2026-06-17T00:02:29.250.
Underlying source: CVE List (CVE Program, The MITRE Corporation), record updated 2025-10-22T00:05:37.666Z.
Underlying source: MITRE D3FEND, ontology version 1.6.0.
Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.