CVE-2018-19406 (GCVE-0-2018-19406)

Vulnerability from cvelistv5 – Published: 2018-11-21 00:00 – Updated: 2024-08-05 11:37
VLAI
Summary
kvm_pv_send_ipi in arch/x86/kvm/lapic.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where the apic map is uninitialized.
Severity
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
URL Tags
https://lkml.org/lkml/2018/11/20/411 x_refsource_MISC
http://www.securityfocus.com/bid/105988 vdb-entryx_refsource_BID
Date Public
2018-11-20 00:00
Show details on NVD website
To clipboard 

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      "current_release_date": "2026-06-28T06:52:58+00:00",
      "cve": "CVE-2018-19406",
      "id": "CVE-2018-19406",
      "initial_release_date": "2018-11-20T00:00:00+00:00",
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      "source": "Red Hat CSAF VEX",
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      "title": "kernel: kvm: NULL pointer dereference in kvm_pv_send_ipi in arch/x86/kvm/lapic.c",
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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

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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.