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CVE-2012-0045 (GCVE-0-2012-0045)

Vulnerability from cvelistv5 – Published: 2012-07-03 16:00 – Updated: 2024-08-06 18:09
VLAI
Summary
The em_syscall function in arch/x86/kvm/emulate.c in the KVM implementation in the Linux kernel before 3.2.14 does not properly handle the 0f05 (aka syscall) opcode, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application, as demonstrated by an NASM file.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Date Public
2012-01-11 00:00
Show details on NVD website
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"The em_syscall function in arch/x86/kvm/emulate.c in the KVM implementation in the Linux kernel before 3.2.14 does not properly handle the 0f05 (aka syscall) opcode, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application, as demonstrated by an NASM file.\"}, {\"lang\": \"es\", \"value\": \"La funci\\u00f3n em_syscall en arch/x86/kvm/emulate.c en la implementaci\\u00f3n KVM en el kernel de linux anterior a v.3.2.14 no maneja correctamente el opcode 0f05, permitiendo a los clientes usuarios del sistema operativo  causar una denegaci\\u00f3n de servicio a trav\\u00e9s de una aplicaci\\u00f3n hecha a mano, como lo demuestra un archivo NASM.\"}]",
      "id": "CVE-2012-0045",
      "lastModified": "2024-11-21T01:34:16.793",
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-27T14:35:02+00:00",
      "cve": "CVE-2012-0045",
      "id": "CVE-2012-0045",
      "initial_release_date": "2012-01-01T00:00:00+00:00",
      "product_status:fixed": "159",
      "product_status:known_not_affected": "15",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: kvm: syscall instruction induced guest panic",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-0045.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-27T02:11:19Z",
      "cve": "CVE-2012-0045",
      "id": "CVE-2012-0045",
      "initial_release_date": "2023-02-15T05:49:23Z",
      "product_status:known_not_affected": "409",
      "product_status:recommended": "89",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2012-0045",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-0045.json",
      "version": "14"
    }
  }
}



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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.