CVE-2014-0196 (GCVE-0-2014-0196)

Vulnerability from cvelistv5 – Published: 2014-05-07 10:00 – Updated: 2025-10-22 00:05
VLAI CISA KEV
Summary
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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
URL Tags
http://www.ubuntu.com/usn/USN-2203-1 vendor-advisoryx_refsource_UBUNTU
http://support.f5.com/kb/en-us/solutions/public/1… x_refsource_CONFIRM
http://www.osvdb.org/106646 vdb-entryx_refsource_OSVDB
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.openwall.com/lists/oss-security/2014/05/05/6 mailing-listx_refsource_MLIST
http://secunia.com/advisories/59262 third-party-advisoryx_refsource_SECUNIA
http://www.ubuntu.com/usn/USN-2204-1 vendor-advisoryx_refsource_UBUNTU
http://secunia.com/advisories/59218 third-party-advisoryx_refsource_SECUNIA
http://www.ubuntu.com/usn/USN-2202-1 vendor-advisoryx_refsource_UBUNTU
http://www.exploit-db.com/exploits/33516 exploitx_refsource_EXPLOIT-DB
http://www.debian.org/security/2014/dsa-2928 vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-2199-1 vendor-advisoryx_refsource_UBUNTU
http://linux.oracle.com/errata/ELSA-2014-0771.html x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1094232 x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2197-1 vendor-advisoryx_refsource_UBUNTU
http://source.android.com/security/bulletin/2016-… x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2014-0512.html vendor-advisoryx_refsource_REDHAT
http://secunia.com/advisories/59599 third-party-advisoryx_refsource_SECUNIA
http://www.debian.org/security/2014/dsa-2926 vendor-advisoryx_refsource_DEBIAN
https://github.com/torvalds/linux/commit/4291086b… x_refsource_CONFIRM
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http://pastebin.com/raw.php?i=yTSFUBgZ x_refsource_MISC
http://git.kernel.org/?p=linux/kernel/git/torvald… x_refsource_CONFIRM
http://bugzilla.novell.com/show_bug.cgi?id=875690 x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2198-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2200-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2201-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2196-1 vendor-advisoryx_refsource_UBUNTU
Date Public
2014-04-29 00:00
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 7302facc-91fd-4dd0-a813-f38221662a11

Vulnerability ID: CVE-2014-0196

Status: Confirmed

Status Updated: 2023-05-12 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-05-12
Asserted: 2023-05-12
Scope
Notes: KEV entry: Linux Kernel Race Condition Vulnerability | Affected: Linux / Kernel | Description: 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: The impacted product is end-of-life and should be disconnected if still in use. | Due date: 2023-06-02 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://lkml.iu.edu/hypermail/linux/kernel/1609.1/02103.html; https://nvd.nist.gov/vuln/detail/CVE-2014-0196
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-362
Feed CISA Known Exploited Vulnerabilities Catalog
Product Kernel
Due Date 2023-06-02
Date Added 2023-05-12
Vendorproject Linux
Vulnerabilityname Linux Kernel Race Condition Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 13:24 UTC | Updated: 2026-02-06 07:53 UTC
Show details on NVD website
To clipboard 

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  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.