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CVE-2018-5344 (GCVE-0-2018-5344)

Vulnerability from cvelistv5 – Published: 2018-01-12 09:00 – Updated: 2024-08-05 05:33
VLAI
Summary
In the Linux kernel through 4.14.13, drivers/block/loop.c mishandles lo_release serialization, which allows attackers to cause a denial of service (__lock_acquire use-after-free) or possibly have unspecified other impact.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2018:3083 vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/3617-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3619-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3617-3/ vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/102503 vdb-entryx_refsource_BID
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_MISC
https://usn.ubuntu.com/3583-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3632-1/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:2948 vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/3583-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3617-2/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:3096 vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/3619-1/ vendor-advisoryx_refsource_UBUNTU
https://github.com/torvalds/linux/commit/ae665016… x_refsource_MISC
Date Public
2018-01-12 00:00
Show details on NVD website
To clipboard 

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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
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    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2018-5344\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2018-01-12T09:29:00.540\",\"lastModified\":\"2024-11-21T04:08:37.580\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel through 4.14.13, drivers/block/loop.c mishandles lo_release serialization, which allows attackers to cause a denial of service (__lock_acquire use-after-free) or possibly have unspecified other impact.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux hasta la versi\u00f3n 4.14.13, drivers/block/loop.c gestiona de manera incorrecta la serializaci\u00f3n de lo_release, lo que permite que atacantes provoquen una denegaci\u00f3n de servicio (uso de memoria previamente liberada de __lock_acquire) o, posiblemente, otro impacto sin 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:34:53+00:00",
      "cve": "CVE-2018-5344",
      "id": "CVE-2018-5344",
      "initial_release_date": "2018-01-06T00:00:00+00:00",
      "product_status:fixed": "248",
      "product_status:known_affected": "12",
      "product_status:known_not_affected": "56",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drivers/block/loop.c mishandles lo_release serialization allowing denial-of-service",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-5344.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2025-11-30T00:31:09Z",
      "cve": "CVE-2018-5344",
      "id": "CVE-2018-5344",
      "initial_release_date": "2023-02-15T04:31:42Z",
      "product_status:known_affected": "33",
      "product_status:known_not_affected": "139",
      "product_status:recommended": "13",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-5344",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-5344.json",
      "version": "13"
    }
  }
}



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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

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.