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CVE-2018-10940 (GCVE-0-2018-10940)

Vulnerability from cvelistv5 – Published: 2018-05-09 17:00 – Updated: 2024-08-05 07:54
VLAI
Summary
The cdrom_ioctl_media_changed function in drivers/cdrom/cdrom.c in the Linux kernel before 4.16.6 allows local attackers to use a incorrect bounds check in the CDROM driver CDROM_MEDIA_CHANGED ioctl to read out kernel memory.
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://usn.ubuntu.com/3676-1/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:3083 vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3695-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3695-2/ vendor-advisoryx_refsource_UBUNTU
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://www.kernel.org/pub/linux/kernel/v4.x/Chan… x_refsource_MISC
https://usn.ubuntu.com/3754-1/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2018:2948 vendor-advisoryx_refsource_REDHAT
https://github.com/torvalds/linux/commit/9de4ee40… x_refsource_MISC
https://usn.ubuntu.com/3676-2/ vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/104154 vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2018:3096 vendor-advisoryx_refsource_REDHAT
Date Public
2018-05-09 00:00
Show details on NVD website
To clipboard 

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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
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              "value": "CWE-119"
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    "nvd": {
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          },
          {
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            "value": "La funci\u00f3n cdrom_ioctl_media_changed en drivers/cdrom/cdrom.c en el kernel de Linux en versiones anteriores a la 4.16.6 permite que atacantes locales empleen una comprobaci\u00f3n de l\u00edmites incorrecta en el ioctl CDROM_MEDIA_CHANGED del controlador CDROM para leer la memoria del kernel."
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                "baseScore": 4.9,
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                "attackVector": "LOCAL",
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                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
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                "integrityImpact": "NONE",
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                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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        "published": "2018-05-09T17:29:00.290",
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    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T06:32:16+00:00",
      "cve": "CVE-2018-10940",
      "id": "CVE-2018-10940",
      "initial_release_date": "2018-04-18T00:00:00+00:00",
      "product_status:fixed": "248",
      "product_status:known_affected": "27",
      "product_status:known_not_affected": "41",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: incorrect memory bounds check in drivers/cdrom/cdrom.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-10940.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T08:44:47Z",
      "cve": "CVE-2018-10940",
      "id": "CVE-2018-10940",
      "initial_release_date": "2023-02-15T04:27:43Z",
      "product_status:known_affected": "40",
      "product_status:known_not_affected": "223",
      "product_status:recommended": "695",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-10940",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-10940.json",
      "version": "19"
    }
  }
}



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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.