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

Vulnerability from cvelistv5 – Published: 2014-05-07 10:00 – Updated: 2025-10-22 00:05
VLAI
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.
SSVC
Exploitation: active Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-07 13:36 UTC
CWE
  • n/a
  • CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
References
URL Tags
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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
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http://www.ubuntu.com/usn/USN-2196-1 vendor-advisoryx_refsource_UBUNTU
https://www.cisa.gov/known-exploited-vulnerabilit… government-resource
Date Public
2014-04-29 00:00
Show details on NVD website

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        "dateReserved": "2013-12-03T00:00:00.000Z",
        "dateUpdated": "2025-10-22T00:05:37.666Z",
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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