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CVE-2018-14678 (GCVE-0-2018-14678)

Vulnerability from cvelistv5 – Published: 2018-07-28 18:00 – Updated: 2024-08-05 09:38
VLAI
Summary
An issue was discovered in the Linux kernel through 4.17.11, as used in Xen through 4.11.x. The xen_failsafe_callback entry point in arch/x86/entry/entry_64.S does not properly maintain RBX, which allows local users to cause a denial of service (uninitialized memory usage and system crash). Within Xen, 64-bit x86 PV Linux guest OS users can trigger a guest OS crash or possibly gain privileges.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
URL Tags
http://www.securitytracker.com/id/1041397 vdb-entryx_refsource_SECTRACK
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://xenbits.xen.org/xsa/advisory-274.html x_refsource_MISC
http://www.securityfocus.com/bid/104924 vdb-entryx_refsource_BID
https://www.debian.org/security/2018/dsa-4308 vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/3931-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3931-2/ vendor-advisoryx_refsource_UBUNTU
Date Public
2018-07-28 00:00
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:08:20+00:00",
      "cve": "CVE-2018-14678",
      "id": "CVE-2018-14678",
      "initial_release_date": "2018-07-25T00:00:00+00:00",
      "product_status:known_affected": "16",
      "product_status:known_not_affected": "89",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "xen: Uninitialized state in x86 PV failsafe callback path (XSA-274)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-14678.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-27T01:18:04Z",
      "cve": "CVE-2018-14678",
      "id": "CVE-2018-14678",
      "initial_release_date": "2023-02-15T04:25:09Z",
      "product_status:known_not_affected": "259",
      "product_status:recommended": "84",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-14678",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-14678.json",
      "version": "14"
    }
  }
}



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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.