CVE-2018-12904 (GCVE-0-2018-12904)

Vulnerability from cvelistv5 – Published: 2018-06-27 11:00 – Updated: 2024-08-05 08:45
VLAI
Summary
In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.
Severity
4.9 (Medium)
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE
  • n/a
Assigner
References
Date Public
2018-06-27 00:00
Show details on NVD website
To clipboard 

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      "cve": "CVE-2018-12904",
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      "initial_release_date": "2018-06-12T00:00:00+00:00",
      "product_status:known_not_affected": "88",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: kvm: nVMX: missing privilege check allows privilege escalation in nested virtualization",
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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.