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CVE-2020-14314 (GCVE-0-2020-14314)

Vulnerability from cvelistv5 – Published: 2020-09-15 00:00 – Updated: 2024-08-04 12:39
VLAI
Summary
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Kernel kernel Affected: before 5.9-rc2
guessed Create a notification for this product.
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            "value": "Se encontr\u00f3 un fallo de lectura de memoria fuera de l\u00edmites en el kernel de Linux versiones anteriores a 5.9-rc2, con el sistema de archivos ext3/ext4, en la manera en que accede a un directorio con indexaci\u00f3n rota.\u0026#xa0;Este fallo permite a un usuario local bloquear el sistema si el directorio existe.\u0026#xa0;La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema"
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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.


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.